diff --git a/src/libs/Runway/Generated/Runway.Models.Request12.g.cs b/src/libs/Runway/Generated/Runway.Models.Request12.g.cs
index e769c60..483b7e8 100644
--- a/src/libs/Runway/Generated/Runway.Models.Request12.g.cs
+++ b/src/libs/Runway/Generated/Runway.Models.Request12.g.cs
@@ -13,7 +13,7 @@ public sealed partial class Request12
         /// </summary>
         [global::System.Text.Json.Serialization.JsonPropertyName("filename")]
         [global::System.Text.Json.Serialization.JsonRequired]
-        public string Filename { get; set; } = default!;
+        public required string Filename { get; set; }
 
         /// <summary>
         /// The type of upload to create
diff --git a/src/libs/Runway/Generated/Runway.Models.RequestActTwo.g.cs b/src/libs/Runway/Generated/Runway.Models.RequestActTwo.g.cs
index 6af7d2d..f588059 100644
--- a/src/libs/Runway/Generated/Runway.Models.RequestActTwo.g.cs
+++ b/src/libs/Runway/Generated/Runway.Models.RequestActTwo.g.cs
@@ -20,7 +20,7 @@ public sealed partial class RequestActTwo
         [global::System.Text.Json.Serialization.JsonPropertyName("character")]
         [global::System.Text.Json.Serialization.JsonConverter(typeof(global::Runway.JsonConverters.CharacterJsonConverter))]
         [global::System.Text.Json.Serialization.JsonRequired]
-        public global::Runway.Character Character { get; set; } = default!;
+        public required global::Runway.Character Character { get; set; }
 
         /// <summary>
         /// The reference video containing the performance to apply to the character.<br/>
@@ -29,7 +29,7 @@ public sealed partial class RequestActTwo
         /// <example>{"type":"video","uri":"https://example.com/reference-performance.mp4"}</example>
         [global::System.Text.Json.Serialization.JsonPropertyName("reference")]
         [global::System.Text.Json.Serialization.JsonRequired]
-        public global::Runway.RequestActTwoReferenceCharacterReferenceVideo Reference { get; set; } = default!;
+        public required global::Runway.RequestActTwoReferenceCharacterReferenceVideo Reference { get; set; }
 
         /// <summary>
         /// A boolean indicating whether to enable body control. When enabled, non-facial movements and gestures will be applied to the character in addition to facial expressions.<br/>
diff --git a/src/libs/Runway/Generated/Runway.Models.RequestActTwoCharacterCharacterImage.g.cs b/src/libs/Runway/Generated/Runway.Models.RequestActTwoCharacterCharacterImage.g.cs
index 4a9e0ca..0f6417a 100644
--- a/src/libs/Runway/Generated/Runway.Models.RequestActTwoCharacterCharacterImage.g.cs
+++ b/src/libs/Runway/Generated/Runway.Models.RequestActTwoCharacterCharacterImage.g.cs
@@ -22,7 +22,7 @@ public sealed partial class RequestActTwoCharacterCharacterImage
         /// <example>https://example.com/image.jpg</example>
         [global::System.Text.Json.Serialization.JsonPropertyName("uri")]
         [global::System.Text.Json.Serialization.JsonRequired]
-        public string Uri { get; set; } = default!;
+        public required string Uri { get; set; }
 
         /// <summary>
         /// Additional properties that are not explicitly defined in the schema
diff --git a/src/libs/Runway/Generated/Runway.Models.RequestActTwoCharacterCharacterVideo.g.cs b/src/libs/Runway/Generated/Runway.Models.RequestActTwoCharacterCharacterVideo.g.cs
index 29ea09b..6403e39 100644
--- a/src/libs/Runway/Generated/Runway.Models.RequestActTwoCharacterCharacterVideo.g.cs
+++ b/src/libs/Runway/Generated/Runway.Models.RequestActTwoCharacterCharacterVideo.g.cs
@@ -22,7 +22,7 @@ public sealed partial class RequestActTwoCharacterCharacterVideo
         /// <example>https://example.com/video.mp4</example>
         [global::System.Text.Json.Serialization.JsonPropertyName("uri")]
         [global::System.Text.Json.Serialization.JsonRequired]
-        public string Uri { get; set; } = default!;
+        public required string Uri { get; set; }
 
         /// <summary>
         /// Additional properties that are not explicitly defined in the schema
diff --git a/src/libs/Runway/Generated/Runway.Models.RequestActTwoReferenceCharacterReferenceVideo.g.cs b/src/libs/Runway/Generated/Runway.Models.RequestActTwoReferenceCharacterReferenceVideo.g.cs
index 38a1f4b..3d397fc 100644
--- a/src/libs/Runway/Generated/Runway.Models.RequestActTwoReferenceCharacterReferenceVideo.g.cs
+++ b/src/libs/Runway/Generated/Runway.Models.RequestActTwoReferenceCharacterReferenceVideo.g.cs
@@ -22,7 +22,7 @@ public sealed partial class RequestActTwoReferenceCharacterReferenceVideo
         /// <example>https://example.com/reference-performance.mp4</example>
         [global::System.Text.Json.Serialization.JsonPropertyName("uri")]
         [global::System.Text.Json.Serialization.JsonRequired]
-        public string Uri { get; set; } = default!;
+        public required string Uri { get; set; }
 
         /// <summary>
         /// Additional properties that are not explicitly defined in the schema
diff --git a/src/libs/Runway/Generated/Runway.Models.RequestElevenMultilingualStsV2.g.cs b/src/libs/Runway/Generated/Runway.Models.RequestElevenMultilingualStsV2.g.cs
index 579e596..e99f5bc 100644
--- a/src/libs/Runway/Generated/Runway.Models.RequestElevenMultilingualStsV2.g.cs
+++ b/src/libs/Runway/Generated/Runway.Models.RequestElevenMultilingualStsV2.g.cs
@@ -20,14 +20,14 @@ public sealed partial class RequestElevenMultilingualStsV2
         [global::System.Text.Json.Serialization.JsonPropertyName("media")]
         [global::System.Text.Json.Serialization.JsonConverter(typeof(global::Runway.JsonConverters.MediaJsonConverter))]
         [global::System.Text.Json.Serialization.JsonRequired]
-        public global::Runway.Media Media { get; set; } = default!;
+        public required global::Runway.Media Media { get; set; }
 
         /// <summary>
         /// The voice to use for the generated speech.
         /// </summary>
         [global::System.Text.Json.Serialization.JsonPropertyName("voice")]
         [global::System.Text.Json.Serialization.JsonRequired]
-        public global::Runway.RequestElevenMultilingualStsV2VoiceRunwayPresetVoice Voice { get; set; } = default!;
+        public required global::Runway.RequestElevenMultilingualStsV2VoiceRunwayPresetVoice Voice { get; set; }
 
         /// <summary>
         /// 
diff --git a/src/libs/Runway/Generated/Runway.Models.RequestElevenMultilingualStsV2MediaSpeechToSpeechAudio.g.cs b/src/libs/Runway/Generated/Runway.Models.RequestElevenMultilingualStsV2MediaSpeechToSpeechAudio.g.cs
index f343956..9e68d63 100644
--- a/src/libs/Runway/Generated/Runway.Models.RequestElevenMultilingualStsV2MediaSpeechToSpeechAudio.g.cs
+++ b/src/libs/Runway/Generated/Runway.Models.RequestElevenMultilingualStsV2MediaSpeechToSpeechAudio.g.cs
@@ -22,7 +22,7 @@ public sealed partial class RequestElevenMultilingualStsV2MediaSpeechToSpeechAud
         /// <example>https://example.com/audio.mp3</example>
         [global::System.Text.Json.Serialization.JsonPropertyName("uri")]
         [global::System.Text.Json.Serialization.JsonRequired]
-        public string Uri { get; set; } = default!;
+        public required string Uri { get; set; }
 
         /// <summary>
         /// Additional properties that are not explicitly defined in the schema
diff --git a/src/libs/Runway/Generated/Runway.Models.RequestElevenMultilingualStsV2MediaSpeechToSpeechVideo.g.cs b/src/libs/Runway/Generated/Runway.Models.RequestElevenMultilingualStsV2MediaSpeechToSpeechVideo.g.cs
index 6c29b3b..f1baf3f 100644
--- a/src/libs/Runway/Generated/Runway.Models.RequestElevenMultilingualStsV2MediaSpeechToSpeechVideo.g.cs
+++ b/src/libs/Runway/Generated/Runway.Models.RequestElevenMultilingualStsV2MediaSpeechToSpeechVideo.g.cs
@@ -22,7 +22,7 @@ public sealed partial class RequestElevenMultilingualStsV2MediaSpeechToSpeechVid
         /// <example>https://example.com/video.mp4</example>
         [global::System.Text.Json.Serialization.JsonPropertyName("uri")]
         [global::System.Text.Json.Serialization.JsonRequired]
-        public string Uri { get; set; } = default!;
+        public required string Uri { get; set; }
 
         /// <summary>
         /// Additional properties that are not explicitly defined in the schema
diff --git a/src/libs/Runway/Generated/Runway.Models.RequestElevenMultilingualStsV2VoiceRunwayPresetVoice.g.cs b/src/libs/Runway/Generated/Runway.Models.RequestElevenMultilingualStsV2VoiceRunwayPresetVoice.g.cs
index de00e2f..b3b1328 100644
--- a/src/libs/Runway/Generated/Runway.Models.RequestElevenMultilingualStsV2VoiceRunwayPresetVoice.g.cs
+++ b/src/libs/Runway/Generated/Runway.Models.RequestElevenMultilingualStsV2VoiceRunwayPresetVoice.g.cs
@@ -21,7 +21,7 @@ public sealed partial class RequestElevenMultilingualStsV2VoiceRunwayPresetVoice
         [global::System.Text.Json.Serialization.JsonPropertyName("presetId")]
         [global::System.Text.Json.Serialization.JsonConverter(typeof(global::Runway.JsonConverters.RequestElevenMultilingualStsV2VoiceRunwayPresetVoicePresetIdJsonConverter))]
         [global::System.Text.Json.Serialization.JsonRequired]
-        public global::Runway.RequestElevenMultilingualStsV2VoiceRunwayPresetVoicePresetId PresetId { get; set; } = default!;
+        public required global::Runway.RequestElevenMultilingualStsV2VoiceRunwayPresetVoicePresetId PresetId { get; set; }
 
         /// <summary>
         /// Additional properties that are not explicitly defined in the schema
diff --git a/src/libs/Runway/Generated/Runway.Models.RequestElevenMultilingualV2.g.cs b/src/libs/Runway/Generated/Runway.Models.RequestElevenMultilingualV2.g.cs
index 6c1ad2d..76bc855 100644
--- a/src/libs/Runway/Generated/Runway.Models.RequestElevenMultilingualV2.g.cs
+++ b/src/libs/Runway/Generated/Runway.Models.RequestElevenMultilingualV2.g.cs
@@ -13,14 +13,14 @@ public sealed partial class RequestElevenMultilingualV2
         /// </summary>
         [global::System.Text.Json.Serialization.JsonPropertyName("promptText")]
         [global::System.Text.Json.Serialization.JsonRequired]
-        public string PromptText { get; set; } = default!;
+        public required string PromptText { get; set; }
 
         /// <summary>
         /// The voice to use for the generated speech.
         /// </summary>
         [global::System.Text.Json.Serialization.JsonPropertyName("voice")]
         [global::System.Text.Json.Serialization.JsonRequired]
-        public global::Runway.RequestElevenMultilingualV2VoiceRunwayPresetVoice Voice { get; set; } = default!;
+        public required global::Runway.RequestElevenMultilingualV2VoiceRunwayPresetVoice Voice { get; set; }
 
         /// <summary>
         /// 
diff --git a/src/libs/Runway/Generated/Runway.Models.RequestElevenMultilingualV2VoiceRunwayPresetVoice.g.cs b/src/libs/Runway/Generated/Runway.Models.RequestElevenMultilingualV2VoiceRunwayPresetVoice.g.cs
index d1be71f..68bbe1c 100644
--- a/src/libs/Runway/Generated/Runway.Models.RequestElevenMultilingualV2VoiceRunwayPresetVoice.g.cs
+++ b/src/libs/Runway/Generated/Runway.Models.RequestElevenMultilingualV2VoiceRunwayPresetVoice.g.cs
@@ -21,7 +21,7 @@ public sealed partial class RequestElevenMultilingualV2VoiceRunwayPresetVoice
         [global::System.Text.Json.Serialization.JsonPropertyName("presetId")]
         [global::System.Text.Json.Serialization.JsonConverter(typeof(global::Runway.JsonConverters.RequestElevenMultilingualV2VoiceRunwayPresetVoicePresetIdJsonConverter))]
         [global::System.Text.Json.Serialization.JsonRequired]
-        public global::Runway.RequestElevenMultilingualV2VoiceRunwayPresetVoicePresetId PresetId { get; set; } = default!;
+        public required global::Runway.RequestElevenMultilingualV2VoiceRunwayPresetVoicePresetId PresetId { get; set; }
 
         /// <summary>
         /// Additional properties that are not explicitly defined in the schema
diff --git a/src/libs/Runway/Generated/Runway.Models.RequestElevenTextToSoundV2.g.cs b/src/libs/Runway/Generated/Runway.Models.RequestElevenTextToSoundV2.g.cs
index 3665684..376fd30 100644
--- a/src/libs/Runway/Generated/Runway.Models.RequestElevenTextToSoundV2.g.cs
+++ b/src/libs/Runway/Generated/Runway.Models.RequestElevenTextToSoundV2.g.cs
@@ -13,7 +13,7 @@ public sealed partial class RequestElevenTextToSoundV2
         /// </summary>
         [global::System.Text.Json.Serialization.JsonPropertyName("promptText")]
         [global::System.Text.Json.Serialization.JsonRequired]
-        public string PromptText { get; set; } = default!;
+        public required string PromptText { get; set; }
 
         /// <summary>
         /// The duration of the sound effect in seconds, between 0.5 and 30 seconds. If not provided, the duration will be determined automatically based on the text description.
diff --git a/src/libs/Runway/Generated/Runway.Models.RequestElevenVoiceDubbing.g.cs b/src/libs/Runway/Generated/Runway.Models.RequestElevenVoiceDubbing.g.cs
index b941aa2..d0566ce 100644
--- a/src/libs/Runway/Generated/Runway.Models.RequestElevenVoiceDubbing.g.cs
+++ b/src/libs/Runway/Generated/Runway.Models.RequestElevenVoiceDubbing.g.cs
@@ -15,7 +15,7 @@ public sealed partial class RequestElevenVoiceDubbing
         /// <example>https://example.com/audio.mp3</example>
         [global::System.Text.Json.Serialization.JsonPropertyName("audioUri")]
         [global::System.Text.Json.Serialization.JsonRequired]
-        public string AudioUri { get; set; } = default!;
+        public required string AudioUri { get; set; }
 
         /// <summary>
         /// The target language code to dub the audio to (e.g., "es" for Spanish, "fr" for French).
@@ -23,7 +23,7 @@ public sealed partial class RequestElevenVoiceDubbing
         [global::System.Text.Json.Serialization.JsonPropertyName("targetLang")]
         [global::System.Text.Json.Serialization.JsonConverter(typeof(global::Runway.JsonConverters.RequestElevenVoiceDubbingTargetLangJsonConverter))]
         [global::System.Text.Json.Serialization.JsonRequired]
-        public global::Runway.RequestElevenVoiceDubbingTargetLang TargetLang { get; set; } = default!;
+        public required global::Runway.RequestElevenVoiceDubbingTargetLang TargetLang { get; set; }
 
         /// <summary>
         /// Whether to disable voice cloning and use a generic voice instead.
diff --git a/src/libs/Runway/Generated/Runway.Models.RequestElevenVoiceIsolation.g.cs b/src/libs/Runway/Generated/Runway.Models.RequestElevenVoiceIsolation.g.cs
index 813aae3..47ae4f7 100644
--- a/src/libs/Runway/Generated/Runway.Models.RequestElevenVoiceIsolation.g.cs
+++ b/src/libs/Runway/Generated/Runway.Models.RequestElevenVoiceIsolation.g.cs
@@ -15,7 +15,7 @@ public sealed partial class RequestElevenVoiceIsolation
         /// <example>https://example.com/audio.mp3</example>
         [global::System.Text.Json.Serialization.JsonPropertyName("audioUri")]
         [global::System.Text.Json.Serialization.JsonRequired]
-        public string AudioUri { get; set; } = default!;
+        public required string AudioUri { get; set; }
 
         /// <summary>
         /// 
diff --git a/src/libs/Runway/Generated/Runway.Models.RequestGemini25Flash.g.cs b/src/libs/Runway/Generated/Runway.Models.RequestGemini25Flash.g.cs
index 1fc9e73..add408d 100644
--- a/src/libs/Runway/Generated/Runway.Models.RequestGemini25Flash.g.cs
+++ b/src/libs/Runway/Generated/Runway.Models.RequestGemini25Flash.g.cs
@@ -13,7 +13,7 @@ public sealed partial class RequestGemini25Flash
         /// </summary>
         [global::System.Text.Json.Serialization.JsonPropertyName("promptText")]
         [global::System.Text.Json.Serialization.JsonRequired]
-        public string PromptText { get; set; } = default!;
+        public required string PromptText { get; set; }
 
         /// <summary>
         /// The resolution of the output image.
@@ -21,7 +21,7 @@ public sealed partial class RequestGemini25Flash
         [global::System.Text.Json.Serialization.JsonPropertyName("ratio")]
         [global::System.Text.Json.Serialization.JsonConverter(typeof(global::Runway.JsonConverters.RequestGemini25FlashRatioJsonConverter))]
         [global::System.Text.Json.Serialization.JsonRequired]
-        public global::Runway.RequestGemini25FlashRatio Ratio { get; set; } = default!;
+        public required global::Runway.RequestGemini25FlashRatio Ratio { get; set; }
 
         /// <summary>
         /// An array of up to three images to be used as references for the generated image output.
diff --git a/src/libs/Runway/Generated/Runway.Models.RequestGemini25FlashReferenceImage.g.cs b/src/libs/Runway/Generated/Runway.Models.RequestGemini25FlashReferenceImage.g.cs
index 48243a0..25db81e 100644
--- a/src/libs/Runway/Generated/Runway.Models.RequestGemini25FlashReferenceImage.g.cs
+++ b/src/libs/Runway/Generated/Runway.Models.RequestGemini25FlashReferenceImage.g.cs
@@ -15,7 +15,7 @@ public sealed partial class RequestGemini25FlashReferenceImage
         /// <example>https://example.com/image.jpg</example>
         [global::System.Text.Json.Serialization.JsonPropertyName("uri")]
         [global::System.Text.Json.Serialization.JsonRequired]
-        public string Uri { get; set; } = default!;
+        public required string Uri { get; set; }
 
         /// <summary>
         /// A tag to identify the reference image. This is used to reference the image in prompt text.
diff --git a/src/libs/Runway/Generated/Runway.Models.RequestGen3aTurbo.g.cs b/src/libs/Runway/Generated/Runway.Models.RequestGen3aTurbo.g.cs
index b194847..b7b000a 100644
--- a/src/libs/Runway/Generated/Runway.Models.RequestGen3aTurbo.g.cs
+++ b/src/libs/Runway/Generated/Runway.Models.RequestGen3aTurbo.g.cs
@@ -17,7 +17,7 @@ public sealed partial class RequestGen3aTurbo
         /// <example>A beautiful sunset over a calm ocean.</example>
         [global::System.Text.Json.Serialization.JsonPropertyName("promptText")]
         [global::System.Text.Json.Serialization.JsonRequired]
-        public string PromptText { get; set; } = default!;
+        public required string PromptText { get; set; }
 
         /// <summary>
         /// 
@@ -25,7 +25,7 @@ public sealed partial class RequestGen3aTurbo
         [global::System.Text.Json.Serialization.JsonPropertyName("promptImage")]
         [global::System.Text.Json.Serialization.JsonConverter(typeof(global::Runway.JsonConverters.AnyOfJsonConverter<string?, global::System.Collections.Generic.IList<global::Runway.RequestGen3aTurboPromptImagePromptImage>>))]
         [global::System.Text.Json.Serialization.JsonRequired]
-        public global::Runway.AnyOf<string?, global::System.Collections.Generic.IList<global::Runway.RequestGen3aTurboPromptImagePromptImage>> PromptImage { get; set; } = default!;
+        public required global::Runway.AnyOf<string?, global::System.Collections.Generic.IList<global::Runway.RequestGen3aTurboPromptImagePromptImage>> PromptImage { get; set; }
 
         /// <summary>
         /// If unspecified, a random number is chosen. Varying the seed integer is a way to get different results for the same other request parameters. Using the same seed integer for an identical request will produce similar results.
diff --git a/src/libs/Runway/Generated/Runway.Models.RequestGen3aTurboPromptImagePromptImage.g.cs b/src/libs/Runway/Generated/Runway.Models.RequestGen3aTurboPromptImagePromptImage.g.cs
index 15f0a05..618ef8d 100644
--- a/src/libs/Runway/Generated/Runway.Models.RequestGen3aTurboPromptImagePromptImage.g.cs
+++ b/src/libs/Runway/Generated/Runway.Models.RequestGen3aTurboPromptImagePromptImage.g.cs
@@ -15,7 +15,7 @@ public sealed partial class RequestGen3aTurboPromptImagePromptImage
         /// <example>https://example.com/image.jpg</example>
         [global::System.Text.Json.Serialization.JsonPropertyName("uri")]
         [global::System.Text.Json.Serialization.JsonRequired]
-        public string Uri { get; set; } = default!;
+        public required string Uri { get; set; }
 
         /// <summary>
         /// The position of the image in the output video. "first" will use the image as the first frame of the video, "last" will use the image as the last frame of the video.
@@ -23,7 +23,7 @@ public sealed partial class RequestGen3aTurboPromptImagePromptImage
         [global::System.Text.Json.Serialization.JsonPropertyName("position")]
         [global::System.Text.Json.Serialization.JsonConverter(typeof(global::Runway.JsonConverters.RequestGen3aTurboPromptImagePromptImagePositionJsonConverter))]
         [global::System.Text.Json.Serialization.JsonRequired]
-        public global::Runway.RequestGen3aTurboPromptImagePromptImagePosition Position { get; set; } = default!;
+        public required global::Runway.RequestGen3aTurboPromptImagePromptImagePosition Position { get; set; }
 
         /// <summary>
         /// Additional properties that are not explicitly defined in the schema
diff --git a/src/libs/Runway/Generated/Runway.Models.RequestGen4Aleph.g.cs b/src/libs/Runway/Generated/Runway.Models.RequestGen4Aleph.g.cs
index aca340d..7813907 100644
--- a/src/libs/Runway/Generated/Runway.Models.RequestGen4Aleph.g.cs
+++ b/src/libs/Runway/Generated/Runway.Models.RequestGen4Aleph.g.cs
@@ -15,14 +15,14 @@ public sealed partial class RequestGen4Aleph
         /// <example>https://example.com/video.mp4</example>
         [global::System.Text.Json.Serialization.JsonPropertyName("videoUri")]
         [global::System.Text.Json.Serialization.JsonRequired]
-        public string VideoUri { get; set; } = default!;
+        public required string VideoUri { get; set; }
 
         /// <summary>
         /// A non-empty string up to 1000 characters (measured in UTF-16 code units). This should describe in detail what should appear in the output.
         /// </summary>
         [global::System.Text.Json.Serialization.JsonPropertyName("promptText")]
         [global::System.Text.Json.Serialization.JsonRequired]
-        public string PromptText { get; set; } = default!;
+        public required string PromptText { get; set; }
 
         /// <summary>
         /// The resolution of the output video.
@@ -30,7 +30,7 @@ public sealed partial class RequestGen4Aleph
         [global::System.Text.Json.Serialization.JsonPropertyName("ratio")]
         [global::System.Text.Json.Serialization.JsonConverter(typeof(global::Runway.JsonConverters.RequestGen4AlephRatioJsonConverter))]
         [global::System.Text.Json.Serialization.JsonRequired]
-        public global::Runway.RequestGen4AlephRatio Ratio { get; set; } = default!;
+        public required global::Runway.RequestGen4AlephRatio Ratio { get; set; }
 
         /// <summary>
         /// If unspecified, a random number is chosen. Varying the seed integer is a way to get different results for the same other request parameters. Using the same seed integer for an identical request will produce similar results.
diff --git a/src/libs/Runway/Generated/Runway.Models.RequestGen4AlephReferenceImageReference.g.cs b/src/libs/Runway/Generated/Runway.Models.RequestGen4AlephReferenceImageReference.g.cs
index 3a2ae94..b1b04c5 100644
--- a/src/libs/Runway/Generated/Runway.Models.RequestGen4AlephReferenceImageReference.g.cs
+++ b/src/libs/Runway/Generated/Runway.Models.RequestGen4AlephReferenceImageReference.g.cs
@@ -22,7 +22,7 @@ public sealed partial class RequestGen4AlephReferenceImageReference
         /// <example>https://example.com/image.jpg</example>
         [global::System.Text.Json.Serialization.JsonPropertyName("uri")]
         [global::System.Text.Json.Serialization.JsonRequired]
-        public string Uri { get; set; } = default!;
+        public required string Uri { get; set; }
 
         /// <summary>
         /// Additional properties that are not explicitly defined in the schema
diff --git a/src/libs/Runway/Generated/Runway.Models.RequestGen4Image.g.cs b/src/libs/Runway/Generated/Runway.Models.RequestGen4Image.g.cs
index 5a0a782..72062c7 100644
--- a/src/libs/Runway/Generated/Runway.Models.RequestGen4Image.g.cs
+++ b/src/libs/Runway/Generated/Runway.Models.RequestGen4Image.g.cs
@@ -13,7 +13,7 @@ public sealed partial class RequestGen4Image
         /// </summary>
         [global::System.Text.Json.Serialization.JsonPropertyName("promptText")]
         [global::System.Text.Json.Serialization.JsonRequired]
-        public string PromptText { get; set; } = default!;
+        public required string PromptText { get; set; }
 
         /// <summary>
         /// If unspecified, a random number is chosen. Varying the seed integer is a way to get different results for the same other request parameters. Using the same seed integer for an identical request will produce similar results.
@@ -27,7 +27,7 @@ public sealed partial class RequestGen4Image
         [global::System.Text.Json.Serialization.JsonPropertyName("ratio")]
         [global::System.Text.Json.Serialization.JsonConverter(typeof(global::Runway.JsonConverters.RequestGen4ImageRatioJsonConverter))]
         [global::System.Text.Json.Serialization.JsonRequired]
-        public global::Runway.RequestGen4ImageRatio Ratio { get; set; } = default!;
+        public required global::Runway.RequestGen4ImageRatio Ratio { get; set; }
 
         /// <summary>
         /// An array of up to three images to be used as references for the generated image output.
diff --git a/src/libs/Runway/Generated/Runway.Models.RequestGen4ImageReferenceImage.g.cs b/src/libs/Runway/Generated/Runway.Models.RequestGen4ImageReferenceImage.g.cs
index b91d465..c69b95b 100644
--- a/src/libs/Runway/Generated/Runway.Models.RequestGen4ImageReferenceImage.g.cs
+++ b/src/libs/Runway/Generated/Runway.Models.RequestGen4ImageReferenceImage.g.cs
@@ -15,7 +15,7 @@ public sealed partial class RequestGen4ImageReferenceImage
         /// <example>https://example.com/image.jpg</example>
         [global::System.Text.Json.Serialization.JsonPropertyName("uri")]
         [global::System.Text.Json.Serialization.JsonRequired]
-        public string Uri { get; set; } = default!;
+        public required string Uri { get; set; }
 
         /// <summary>
         /// A tag to identify the reference image. This is used to reference the image in prompt text.
diff --git a/src/libs/Runway/Generated/Runway.Models.RequestGen4ImageTurbo.g.cs b/src/libs/Runway/Generated/Runway.Models.RequestGen4ImageTurbo.g.cs
index 298053d..0f5d134 100644
--- a/src/libs/Runway/Generated/Runway.Models.RequestGen4ImageTurbo.g.cs
+++ b/src/libs/Runway/Generated/Runway.Models.RequestGen4ImageTurbo.g.cs
@@ -13,7 +13,7 @@ public sealed partial class RequestGen4ImageTurbo
         /// </summary>
         [global::System.Text.Json.Serialization.JsonPropertyName("promptText")]
         [global::System.Text.Json.Serialization.JsonRequired]
-        public string PromptText { get; set; } = default!;
+        public required string PromptText { get; set; }
 
         /// <summary>
         /// If unspecified, a random number is chosen. Varying the seed integer is a way to get different results for the same other request parameters. Using the same seed integer for an identical request will produce similar results.
@@ -27,14 +27,14 @@ public sealed partial class RequestGen4ImageTurbo
         [global::System.Text.Json.Serialization.JsonPropertyName("ratio")]
         [global::System.Text.Json.Serialization.JsonConverter(typeof(global::Runway.JsonConverters.RequestGen4ImageTurboRatioJsonConverter))]
         [global::System.Text.Json.Serialization.JsonRequired]
-        public global::Runway.RequestGen4ImageTurboRatio Ratio { get; set; } = default!;
+        public required global::Runway.RequestGen4ImageTurboRatio Ratio { get; set; }
 
         /// <summary>
         /// An array of one to three images to be used as references for the generated image output.
         /// </summary>
         [global::System.Text.Json.Serialization.JsonPropertyName("referenceImages")]
         [global::System.Text.Json.Serialization.JsonRequired]
-        public global::System.Collections.Generic.IList<global::Runway.RequestGen4ImageTurboReferenceImage> ReferenceImages { get; set; } = default!;
+        public required global::System.Collections.Generic.IList<global::Runway.RequestGen4ImageTurboReferenceImage> ReferenceImages { get; set; }
 
         /// <summary>
         /// Settings that affect the behavior of the content moderation system.
diff --git a/src/libs/Runway/Generated/Runway.Models.RequestGen4ImageTurboReferenceImage.g.cs b/src/libs/Runway/Generated/Runway.Models.RequestGen4ImageTurboReferenceImage.g.cs
index 2dc448e..77f059a 100644
--- a/src/libs/Runway/Generated/Runway.Models.RequestGen4ImageTurboReferenceImage.g.cs
+++ b/src/libs/Runway/Generated/Runway.Models.RequestGen4ImageTurboReferenceImage.g.cs
@@ -15,7 +15,7 @@ public sealed partial class RequestGen4ImageTurboReferenceImage
         /// <example>https://example.com/image.jpg</example>
         [global::System.Text.Json.Serialization.JsonPropertyName("uri")]
         [global::System.Text.Json.Serialization.JsonRequired]
-        public string Uri { get; set; } = default!;
+        public required string Uri { get; set; }
 
         /// <summary>
         /// A tag to identify the reference image. This is used to reference the image in prompt text.
diff --git a/src/libs/Runway/Generated/Runway.Models.RequestGen4Turbo.g.cs b/src/libs/Runway/Generated/Runway.Models.RequestGen4Turbo.g.cs
index e4afed6..9604665 100644
--- a/src/libs/Runway/Generated/Runway.Models.RequestGen4Turbo.g.cs
+++ b/src/libs/Runway/Generated/Runway.Models.RequestGen4Turbo.g.cs
@@ -22,7 +22,7 @@ public sealed partial class RequestGen4Turbo
         [global::System.Text.Json.Serialization.JsonPropertyName("promptImage")]
         [global::System.Text.Json.Serialization.JsonConverter(typeof(global::Runway.JsonConverters.AnyOfJsonConverter<string?, global::System.Collections.Generic.IList<global::Runway.RequestGen4TurboPromptImagePromptImage>>))]
         [global::System.Text.Json.Serialization.JsonRequired]
-        public global::Runway.AnyOf<string?, global::System.Collections.Generic.IList<global::Runway.RequestGen4TurboPromptImagePromptImage>> PromptImage { get; set; } = default!;
+        public required global::Runway.AnyOf<string?, global::System.Collections.Generic.IList<global::Runway.RequestGen4TurboPromptImagePromptImage>> PromptImage { get; set; }
 
         /// <summary>
         /// If unspecified, a random number is chosen. Varying the seed integer is a way to get different results for the same other request parameters. Using the same seed integer for an identical request will produce similar results.
@@ -36,7 +36,7 @@ public sealed partial class RequestGen4Turbo
         [global::System.Text.Json.Serialization.JsonPropertyName("ratio")]
         [global::System.Text.Json.Serialization.JsonConverter(typeof(global::Runway.JsonConverters.RequestGen4TurboRatioJsonConverter))]
         [global::System.Text.Json.Serialization.JsonRequired]
-        public global::Runway.RequestGen4TurboRatio Ratio { get; set; } = default!;
+        public required global::Runway.RequestGen4TurboRatio Ratio { get; set; }
 
         /// <summary>
         /// The number of seconds of duration for the output video.
diff --git a/src/libs/Runway/Generated/Runway.Models.RequestGen4TurboPromptImagePromptImage.g.cs b/src/libs/Runway/Generated/Runway.Models.RequestGen4TurboPromptImagePromptImage.g.cs
index 9d2f74b..b6b32f6 100644
--- a/src/libs/Runway/Generated/Runway.Models.RequestGen4TurboPromptImagePromptImage.g.cs
+++ b/src/libs/Runway/Generated/Runway.Models.RequestGen4TurboPromptImagePromptImage.g.cs
@@ -15,7 +15,7 @@ public sealed partial class RequestGen4TurboPromptImagePromptImage
         /// <example>https://example.com/image.jpg</example>
         [global::System.Text.Json.Serialization.JsonPropertyName("uri")]
         [global::System.Text.Json.Serialization.JsonRequired]
-        public string Uri { get; set; } = default!;
+        public required string Uri { get; set; }
 
         /// <summary>
         /// The position of the image in the output video. "first" will use the image as the first frame of the video.
diff --git a/src/libs/Runway/Generated/Runway.Models.RequestVeo3.g.cs b/src/libs/Runway/Generated/Runway.Models.RequestVeo3.g.cs
index 5696731..5d35ea4 100644
--- a/src/libs/Runway/Generated/Runway.Models.RequestVeo3.g.cs
+++ b/src/libs/Runway/Generated/Runway.Models.RequestVeo3.g.cs
@@ -22,15 +22,14 @@ public sealed partial class RequestVeo3
         [global::System.Text.Json.Serialization.JsonPropertyName("promptImage")]
         [global::System.Text.Json.Serialization.JsonConverter(typeof(global::Runway.JsonConverters.AnyOfJsonConverter<string?, global::System.Collections.Generic.IList<global::Runway.RequestVeo3PromptImagePromptImage>>))]
         [global::System.Text.Json.Serialization.JsonRequired]
-        public global::Runway.AnyOf<string?, global::System.Collections.Generic.IList<global::Runway.RequestVeo3PromptImagePromptImage>> PromptImage { get; set; } = default!;
+        public required global::Runway.AnyOf<string?, global::System.Collections.Generic.IList<global::Runway.RequestVeo3PromptImagePromptImage>> PromptImage { get; set; }
 
         /// <summary>
-        /// The number of seconds of duration for the output video.<br/>
-        /// Default Value: 8
+        /// The number of seconds of duration for the output video.
         /// </summary>
+        /// <default>"8"</default>
         [global::System.Text.Json.Serialization.JsonPropertyName("duration")]
-        [global::System.Text.Json.Serialization.JsonRequired]
-        public double Duration { get; set; } = default!;
+        public double Duration { get; set; } = "8";
 
         /// <summary>
         /// The resolution of the output video.
@@ -38,7 +37,7 @@ public sealed partial class RequestVeo3
         [global::System.Text.Json.Serialization.JsonPropertyName("ratio")]
         [global::System.Text.Json.Serialization.JsonConverter(typeof(global::Runway.JsonConverters.RequestVeo3RatioJsonConverter))]
         [global::System.Text.Json.Serialization.JsonRequired]
-        public global::Runway.RequestVeo3Ratio Ratio { get; set; } = default!;
+        public required global::Runway.RequestVeo3Ratio Ratio { get; set; }
 
         /// <summary>
         /// 
@@ -61,8 +60,7 @@ public sealed partial class RequestVeo3
         /// </param>
         /// <param name="promptImage"></param>
         /// <param name="duration">
-        /// The number of seconds of duration for the output video.<br/>
-        /// Default Value: 8
+        /// The number of seconds of duration for the output video.
         /// </param>
         /// <param name="ratio">
         /// The resolution of the output video.
@@ -73,15 +71,15 @@ public sealed partial class RequestVeo3
 #endif
         public RequestVeo3(
             global::Runway.AnyOf<string?, global::System.Collections.Generic.IList<global::Runway.RequestVeo3PromptImagePromptImage>> promptImage,
-            double duration,
             global::Runway.RequestVeo3Ratio ratio,
             string? promptText,
+            double duration = "8",
             string model = "veo3")
         {
             this.PromptImage = promptImage;
-            this.Duration = duration;
             this.Ratio = ratio;
             this.PromptText = promptText;
+            this.Duration = duration;
             this.Model = model;
         }
 
diff --git a/src/libs/Runway/Generated/Runway.Models.RequestVeo31.g.cs b/src/libs/Runway/Generated/Runway.Models.RequestVeo31.g.cs
index 63a72ac..ca9f261 100644
--- a/src/libs/Runway/Generated/Runway.Models.RequestVeo31.g.cs
+++ b/src/libs/Runway/Generated/Runway.Models.RequestVeo31.g.cs
@@ -22,7 +22,7 @@ public sealed partial class RequestVeo31
         [global::System.Text.Json.Serialization.JsonPropertyName("promptImage")]
         [global::System.Text.Json.Serialization.JsonConverter(typeof(global::Runway.JsonConverters.AnyOfJsonConverter<string?, global::System.Collections.Generic.IList<global::Runway.RequestVeo31PromptImagePromptImage>>))]
         [global::System.Text.Json.Serialization.JsonRequired]
-        public global::Runway.AnyOf<string?, global::System.Collections.Generic.IList<global::Runway.RequestVeo31PromptImagePromptImage>> PromptImage { get; set; } = default!;
+        public required global::Runway.AnyOf<string?, global::System.Collections.Generic.IList<global::Runway.RequestVeo31PromptImagePromptImage>> PromptImage { get; set; }
 
         /// <summary>
         /// The resolution of the output video.
@@ -30,7 +30,7 @@ public sealed partial class RequestVeo31
         [global::System.Text.Json.Serialization.JsonPropertyName("ratio")]
         [global::System.Text.Json.Serialization.JsonConverter(typeof(global::Runway.JsonConverters.RequestVeo31RatioJsonConverter))]
         [global::System.Text.Json.Serialization.JsonRequired]
-        public global::Runway.RequestVeo31Ratio Ratio { get; set; } = default!;
+        public required global::Runway.RequestVeo31Ratio Ratio { get; set; }
 
         /// <summary>
         /// Whether to generate audio for the video. Audio inclusion affects pricing.<br/>
diff --git a/src/libs/Runway/Generated/Runway.Models.RequestVeo312.g.cs b/src/libs/Runway/Generated/Runway.Models.RequestVeo312.g.cs
index a6fe4ef..dfbeab4 100644
--- a/src/libs/Runway/Generated/Runway.Models.RequestVeo312.g.cs
+++ b/src/libs/Runway/Generated/Runway.Models.RequestVeo312.g.cs
@@ -13,7 +13,7 @@ public sealed partial class RequestVeo312
         /// </summary>
         [global::System.Text.Json.Serialization.JsonPropertyName("promptText")]
         [global::System.Text.Json.Serialization.JsonRequired]
-        public string PromptText { get; set; } = default!;
+        public required string PromptText { get; set; }
 
         /// <summary>
         /// The resolution of the output video.
@@ -21,7 +21,7 @@ public sealed partial class RequestVeo312
         [global::System.Text.Json.Serialization.JsonPropertyName("ratio")]
         [global::System.Text.Json.Serialization.JsonConverter(typeof(global::Runway.JsonConverters.RequestVeo31Ratio2JsonConverter))]
         [global::System.Text.Json.Serialization.JsonRequired]
-        public global::Runway.RequestVeo31Ratio2 Ratio { get; set; } = default!;
+        public required global::Runway.RequestVeo31Ratio2 Ratio { get; set; }
 
         /// <summary>
         /// Whether to generate audio for the video. Audio inclusion affects pricing.<br/>
diff --git a/src/libs/Runway/Generated/Runway.Models.RequestVeo31Fast.g.cs b/src/libs/Runway/Generated/Runway.Models.RequestVeo31Fast.g.cs
index 7bb87d7..cac498f 100644
--- a/src/libs/Runway/Generated/Runway.Models.RequestVeo31Fast.g.cs
+++ b/src/libs/Runway/Generated/Runway.Models.RequestVeo31Fast.g.cs
@@ -22,7 +22,7 @@ public sealed partial class RequestVeo31Fast
         [global::System.Text.Json.Serialization.JsonPropertyName("promptImage")]
         [global::System.Text.Json.Serialization.JsonConverter(typeof(global::Runway.JsonConverters.AnyOfJsonConverter<string?, global::System.Collections.Generic.IList<global::Runway.RequestVeo31FastPromptImagePromptImage>>))]
         [global::System.Text.Json.Serialization.JsonRequired]
-        public global::Runway.AnyOf<string?, global::System.Collections.Generic.IList<global::Runway.RequestVeo31FastPromptImagePromptImage>> PromptImage { get; set; } = default!;
+        public required global::Runway.AnyOf<string?, global::System.Collections.Generic.IList<global::Runway.RequestVeo31FastPromptImagePromptImage>> PromptImage { get; set; }
 
         /// <summary>
         /// The resolution of the output video.
@@ -30,7 +30,7 @@ public sealed partial class RequestVeo31Fast
         [global::System.Text.Json.Serialization.JsonPropertyName("ratio")]
         [global::System.Text.Json.Serialization.JsonConverter(typeof(global::Runway.JsonConverters.RequestVeo31FastRatioJsonConverter))]
         [global::System.Text.Json.Serialization.JsonRequired]
-        public global::Runway.RequestVeo31FastRatio Ratio { get; set; } = default!;
+        public required global::Runway.RequestVeo31FastRatio Ratio { get; set; }
 
         /// <summary>
         /// Whether to generate audio for the video. Audio inclusion affects pricing.<br/>
diff --git a/src/libs/Runway/Generated/Runway.Models.RequestVeo31Fast2.g.cs b/src/libs/Runway/Generated/Runway.Models.RequestVeo31Fast2.g.cs
index 6ea1f0c..a864788 100644
--- a/src/libs/Runway/Generated/Runway.Models.RequestVeo31Fast2.g.cs
+++ b/src/libs/Runway/Generated/Runway.Models.RequestVeo31Fast2.g.cs
@@ -13,7 +13,7 @@ public sealed partial class RequestVeo31Fast2
         /// </summary>
         [global::System.Text.Json.Serialization.JsonPropertyName("promptText")]
         [global::System.Text.Json.Serialization.JsonRequired]
-        public string PromptText { get; set; } = default!;
+        public required string PromptText { get; set; }
 
         /// <summary>
         /// The resolution of the output video.
@@ -21,7 +21,7 @@ public sealed partial class RequestVeo31Fast2
         [global::System.Text.Json.Serialization.JsonPropertyName("ratio")]
         [global::System.Text.Json.Serialization.JsonConverter(typeof(global::Runway.JsonConverters.RequestVeo31FastRatio2JsonConverter))]
         [global::System.Text.Json.Serialization.JsonRequired]
-        public global::Runway.RequestVeo31FastRatio2 Ratio { get; set; } = default!;
+        public required global::Runway.RequestVeo31FastRatio2 Ratio { get; set; }
 
         /// <summary>
         /// Whether to generate audio for the video. Audio inclusion affects pricing.<br/>
diff --git a/src/libs/Runway/Generated/Runway.Models.RequestVeo31FastPromptImagePromptImage.g.cs b/src/libs/Runway/Generated/Runway.Models.RequestVeo31FastPromptImagePromptImage.g.cs
index 2bb71f4..e32084f 100644
--- a/src/libs/Runway/Generated/Runway.Models.RequestVeo31FastPromptImagePromptImage.g.cs
+++ b/src/libs/Runway/Generated/Runway.Models.RequestVeo31FastPromptImagePromptImage.g.cs
@@ -15,7 +15,7 @@ public sealed partial class RequestVeo31FastPromptImagePromptImage
         /// <example>https://example.com/image.jpg</example>
         [global::System.Text.Json.Serialization.JsonPropertyName("uri")]
         [global::System.Text.Json.Serialization.JsonRequired]
-        public string Uri { get; set; } = default!;
+        public required string Uri { get; set; }
 
         /// <summary>
         /// The position of the image in the output video. "first" will use the image as the first frame of the video, "last" will use the image as the last frame of the video.
@@ -23,7 +23,7 @@ public sealed partial class RequestVeo31FastPromptImagePromptImage
         [global::System.Text.Json.Serialization.JsonPropertyName("position")]
         [global::System.Text.Json.Serialization.JsonConverter(typeof(global::Runway.JsonConverters.RequestVeo31FastPromptImagePromptImagePositionJsonConverter))]
         [global::System.Text.Json.Serialization.JsonRequired]
-        public global::Runway.RequestVeo31FastPromptImagePromptImagePosition Position { get; set; } = default!;
+        public required global::Runway.RequestVeo31FastPromptImagePromptImagePosition Position { get; set; }
 
         /// <summary>
         /// Additional properties that are not explicitly defined in the schema
diff --git a/src/libs/Runway/Generated/Runway.Models.RequestVeo31PromptImagePromptImage.g.cs b/src/libs/Runway/Generated/Runway.Models.RequestVeo31PromptImagePromptImage.g.cs
index 6333726..948f20e 100644
--- a/src/libs/Runway/Generated/Runway.Models.RequestVeo31PromptImagePromptImage.g.cs
+++ b/src/libs/Runway/Generated/Runway.Models.RequestVeo31PromptImagePromptImage.g.cs
@@ -15,7 +15,7 @@ public sealed partial class RequestVeo31PromptImagePromptImage
         /// <example>https://example.com/image.jpg</example>
         [global::System.Text.Json.Serialization.JsonPropertyName("uri")]
         [global::System.Text.Json.Serialization.JsonRequired]
-        public string Uri { get; set; } = default!;
+        public required string Uri { get; set; }
 
         /// <summary>
         /// The position of the image in the output video. "first" will use the image as the first frame of the video, "last" will use the image as the last frame of the video.
@@ -23,7 +23,7 @@ public sealed partial class RequestVeo31PromptImagePromptImage
         [global::System.Text.Json.Serialization.JsonPropertyName("position")]
         [global::System.Text.Json.Serialization.JsonConverter(typeof(global::Runway.JsonConverters.RequestVeo31PromptImagePromptImagePositionJsonConverter))]
         [global::System.Text.Json.Serialization.JsonRequired]
-        public global::Runway.RequestVeo31PromptImagePromptImagePosition Position { get; set; } = default!;
+        public required global::Runway.RequestVeo31PromptImagePromptImagePosition Position { get; set; }
 
         /// <summary>
         /// Additional properties that are not explicitly defined in the schema
diff --git a/src/libs/Runway/Generated/Runway.Models.RequestVeo32.g.cs b/src/libs/Runway/Generated/Runway.Models.RequestVeo32.g.cs
index 6ab2687..b115e60 100644
--- a/src/libs/Runway/Generated/Runway.Models.RequestVeo32.g.cs
+++ b/src/libs/Runway/Generated/Runway.Models.RequestVeo32.g.cs
@@ -13,15 +13,14 @@ public sealed partial class RequestVeo32
         /// </summary>
         [global::System.Text.Json.Serialization.JsonPropertyName("promptText")]
         [global::System.Text.Json.Serialization.JsonRequired]
-        public string PromptText { get; set; } = default!;
+        public required string PromptText { get; set; }
 
         /// <summary>
-        /// The number of seconds of duration for the output video.<br/>
-        /// Default Value: 8
+        /// The number of seconds of duration for the output video.
         /// </summary>
+        /// <default>"8"</default>
         [global::System.Text.Json.Serialization.JsonPropertyName("duration")]
-        [global::System.Text.Json.Serialization.JsonRequired]
-        public double Duration { get; set; } = default!;
+        public double Duration { get; set; } = "8";
 
         /// <summary>
         /// The resolution of the output video.
@@ -29,7 +28,7 @@ public sealed partial class RequestVeo32
         [global::System.Text.Json.Serialization.JsonPropertyName("ratio")]
         [global::System.Text.Json.Serialization.JsonConverter(typeof(global::Runway.JsonConverters.RequestVeo3Ratio2JsonConverter))]
         [global::System.Text.Json.Serialization.JsonRequired]
-        public global::Runway.RequestVeo3Ratio2 Ratio { get; set; } = default!;
+        public required global::Runway.RequestVeo3Ratio2 Ratio { get; set; }
 
         /// <summary>
         /// 
@@ -51,8 +50,7 @@ public sealed partial class RequestVeo32
         /// A non-empty string up to 1000 characters (measured in UTF-16 code units). This should describe in detail what should appear in the output.
         /// </param>
         /// <param name="duration">
-        /// The number of seconds of duration for the output video.<br/>
-        /// Default Value: 8
+        /// The number of seconds of duration for the output video.
         /// </param>
         /// <param name="ratio">
         /// The resolution of the output video.
@@ -63,13 +61,13 @@ public sealed partial class RequestVeo32
 #endif
         public RequestVeo32(
             string promptText,
-            double duration,
             global::Runway.RequestVeo3Ratio2 ratio,
+            double duration = "8",
             string model = "veo3")
         {
             this.PromptText = promptText ?? throw new global::System.ArgumentNullException(nameof(promptText));
-            this.Duration = duration;
             this.Ratio = ratio;
+            this.Duration = duration;
             this.Model = model;
         }
 
diff --git a/src/libs/Runway/Generated/Runway.Models.RequestVeo3PromptImagePromptImage.g.cs b/src/libs/Runway/Generated/Runway.Models.RequestVeo3PromptImagePromptImage.g.cs
index 1175f6e..754c9e9 100644
--- a/src/libs/Runway/Generated/Runway.Models.RequestVeo3PromptImagePromptImage.g.cs
+++ b/src/libs/Runway/Generated/Runway.Models.RequestVeo3PromptImagePromptImage.g.cs
@@ -15,7 +15,7 @@ public sealed partial class RequestVeo3PromptImagePromptImage
         /// <example>https://example.com/image.jpg</example>
         [global::System.Text.Json.Serialization.JsonPropertyName("uri")]
         [global::System.Text.Json.Serialization.JsonRequired]
-        public string Uri { get; set; } = default!;
+        public required string Uri { get; set; }
 
         /// <summary>
         /// The position of the image in the output video. "first" will use the image as the first frame of the video.
diff --git a/src/libs/Runway/Generated/Runway.Models.Response10.g.cs b/src/libs/Runway/Generated/Runway.Models.Response10.g.cs
index 5e3e5e6..b95a3d7 100644
--- a/src/libs/Runway/Generated/Runway.Models.Response10.g.cs
+++ b/src/libs/Runway/Generated/Runway.Models.Response10.g.cs
@@ -13,7 +13,7 @@ public sealed partial class Response10
         /// </summary>
         [global::System.Text.Json.Serialization.JsonPropertyName("error")]
         [global::System.Text.Json.Serialization.JsonRequired]
-        public string Error { get; set; } = default!;
+        public required string Error { get; set; }
 
         /// <summary>
         /// Additional properties that are not explicitly defined in the schema
diff --git a/src/libs/Runway/Generated/Runway.Models.Response11.g.cs b/src/libs/Runway/Generated/Runway.Models.Response11.g.cs
index f9ea54b..93d695c 100644
--- a/src/libs/Runway/Generated/Runway.Models.Response11.g.cs
+++ b/src/libs/Runway/Generated/Runway.Models.Response11.g.cs
@@ -13,7 +13,7 @@ public sealed partial class Response11
         /// </summary>
         [global::System.Text.Json.Serialization.JsonPropertyName("id")]
         [global::System.Text.Json.Serialization.JsonRequired]
-        public global::System.Guid Id { get; set; } = default!;
+        public required global::System.Guid Id { get; set; }
 
         /// <summary>
         /// Additional properties that are not explicitly defined in the schema
diff --git a/src/libs/Runway/Generated/Runway.Models.Response12.g.cs b/src/libs/Runway/Generated/Runway.Models.Response12.g.cs
index 70ea6eb..8414206 100644
--- a/src/libs/Runway/Generated/Runway.Models.Response12.g.cs
+++ b/src/libs/Runway/Generated/Runway.Models.Response12.g.cs
@@ -13,7 +13,7 @@ public sealed partial class Response12
         /// </summary>
         [global::System.Text.Json.Serialization.JsonPropertyName("error")]
         [global::System.Text.Json.Serialization.JsonRequired]
-        public string Error { get; set; } = default!;
+        public required string Error { get; set; }
 
         /// <summary>
         /// Additional properties that are not explicitly defined in the schema
diff --git a/src/libs/Runway/Generated/Runway.Models.Response13.g.cs b/src/libs/Runway/Generated/Runway.Models.Response13.g.cs
index b50067c..211c95a 100644
--- a/src/libs/Runway/Generated/Runway.Models.Response13.g.cs
+++ b/src/libs/Runway/Generated/Runway.Models.Response13.g.cs
@@ -13,7 +13,7 @@ public sealed partial class Response13
         /// </summary>
         [global::System.Text.Json.Serialization.JsonPropertyName("id")]
         [global::System.Text.Json.Serialization.JsonRequired]
-        public global::System.Guid Id { get; set; } = default!;
+        public required global::System.Guid Id { get; set; }
 
         /// <summary>
         /// Additional properties that are not explicitly defined in the schema
diff --git a/src/libs/Runway/Generated/Runway.Models.Response14.g.cs b/src/libs/Runway/Generated/Runway.Models.Response14.g.cs
index c93c484..951c7dd 100644
--- a/src/libs/Runway/Generated/Runway.Models.Response14.g.cs
+++ b/src/libs/Runway/Generated/Runway.Models.Response14.g.cs
@@ -13,7 +13,7 @@ public sealed partial class Response14
         /// </summary>
         [global::System.Text.Json.Serialization.JsonPropertyName("error")]
         [global::System.Text.Json.Serialization.JsonRequired]
-        public string Error { get; set; } = default!;
+        public required string Error { get; set; }
 
         /// <summary>
         /// Additional properties that are not explicitly defined in the schema
diff --git a/src/libs/Runway/Generated/Runway.Models.Response15.g.cs b/src/libs/Runway/Generated/Runway.Models.Response15.g.cs
index 7aaef8b..df3bd03 100644
--- a/src/libs/Runway/Generated/Runway.Models.Response15.g.cs
+++ b/src/libs/Runway/Generated/Runway.Models.Response15.g.cs
@@ -13,7 +13,7 @@ public sealed partial class Response15
         /// </summary>
         [global::System.Text.Json.Serialization.JsonPropertyName("id")]
         [global::System.Text.Json.Serialization.JsonRequired]
-        public global::System.Guid Id { get; set; } = default!;
+        public required global::System.Guid Id { get; set; }
 
         /// <summary>
         /// Additional properties that are not explicitly defined in the schema
diff --git a/src/libs/Runway/Generated/Runway.Models.Response16.g.cs b/src/libs/Runway/Generated/Runway.Models.Response16.g.cs
index 35b8e25..0c8ef89 100644
--- a/src/libs/Runway/Generated/Runway.Models.Response16.g.cs
+++ b/src/libs/Runway/Generated/Runway.Models.Response16.g.cs
@@ -13,7 +13,7 @@ public sealed partial class Response16
         /// </summary>
         [global::System.Text.Json.Serialization.JsonPropertyName("error")]
         [global::System.Text.Json.Serialization.JsonRequired]
-        public string Error { get; set; } = default!;
+        public required string Error { get; set; }
 
         /// <summary>
         /// Additional properties that are not explicitly defined in the schema
diff --git a/src/libs/Runway/Generated/Runway.Models.Response17.g.cs b/src/libs/Runway/Generated/Runway.Models.Response17.g.cs
index e8b8ce7..f800b51 100644
--- a/src/libs/Runway/Generated/Runway.Models.Response17.g.cs
+++ b/src/libs/Runway/Generated/Runway.Models.Response17.g.cs
@@ -13,7 +13,7 @@ public sealed partial class Response17
         /// </summary>
         [global::System.Text.Json.Serialization.JsonPropertyName("id")]
         [global::System.Text.Json.Serialization.JsonRequired]
-        public global::System.Guid Id { get; set; } = default!;
+        public required global::System.Guid Id { get; set; }
 
         /// <summary>
         /// Additional properties that are not explicitly defined in the schema
diff --git a/src/libs/Runway/Generated/Runway.Models.Response18.g.cs b/src/libs/Runway/Generated/Runway.Models.Response18.g.cs
index 99e4fc7..fde6b25 100644
--- a/src/libs/Runway/Generated/Runway.Models.Response18.g.cs
+++ b/src/libs/Runway/Generated/Runway.Models.Response18.g.cs
@@ -13,7 +13,7 @@ public sealed partial class Response18
         /// </summary>
         [global::System.Text.Json.Serialization.JsonPropertyName("error")]
         [global::System.Text.Json.Serialization.JsonRequired]
-        public string Error { get; set; } = default!;
+        public required string Error { get; set; }
 
         /// <summary>
         /// Additional properties that are not explicitly defined in the schema
diff --git a/src/libs/Runway/Generated/Runway.Models.Response19.g.cs b/src/libs/Runway/Generated/Runway.Models.Response19.g.cs
index af2c59c..4d6e6a9 100644
--- a/src/libs/Runway/Generated/Runway.Models.Response19.g.cs
+++ b/src/libs/Runway/Generated/Runway.Models.Response19.g.cs
@@ -13,7 +13,7 @@ public sealed partial class Response19
         /// </summary>
         [global::System.Text.Json.Serialization.JsonPropertyName("id")]
         [global::System.Text.Json.Serialization.JsonRequired]
-        public global::System.Guid Id { get; set; } = default!;
+        public required global::System.Guid Id { get; set; }
 
         /// <summary>
         /// Additional properties that are not explicitly defined in the schema
diff --git a/src/libs/Runway/Generated/Runway.Models.Response2.g.cs b/src/libs/Runway/Generated/Runway.Models.Response2.g.cs
index 83f0f3d..cc41ca6 100644
--- a/src/libs/Runway/Generated/Runway.Models.Response2.g.cs
+++ b/src/libs/Runway/Generated/Runway.Models.Response2.g.cs
@@ -13,7 +13,7 @@ public sealed partial class Response2
         /// </summary>
         [global::System.Text.Json.Serialization.JsonPropertyName("error")]
         [global::System.Text.Json.Serialization.JsonRequired]
-        public string Error { get; set; } = default!;
+        public required string Error { get; set; }
 
         /// <summary>
         /// Additional properties that are not explicitly defined in the schema
diff --git a/src/libs/Runway/Generated/Runway.Models.Response20.g.cs b/src/libs/Runway/Generated/Runway.Models.Response20.g.cs
index b67815f..e96304b 100644
--- a/src/libs/Runway/Generated/Runway.Models.Response20.g.cs
+++ b/src/libs/Runway/Generated/Runway.Models.Response20.g.cs
@@ -13,7 +13,7 @@ public sealed partial class Response20
         /// </summary>
         [global::System.Text.Json.Serialization.JsonPropertyName("error")]
         [global::System.Text.Json.Serialization.JsonRequired]
-        public string Error { get; set; } = default!;
+        public required string Error { get; set; }
 
         /// <summary>
         /// Additional properties that are not explicitly defined in the schema
diff --git a/src/libs/Runway/Generated/Runway.Models.Response21.g.cs b/src/libs/Runway/Generated/Runway.Models.Response21.g.cs
index 6f4cfdb..6bb106a 100644
--- a/src/libs/Runway/Generated/Runway.Models.Response21.g.cs
+++ b/src/libs/Runway/Generated/Runway.Models.Response21.g.cs
@@ -13,7 +13,7 @@ public sealed partial class Response21
         /// </summary>
         [global::System.Text.Json.Serialization.JsonPropertyName("id")]
         [global::System.Text.Json.Serialization.JsonRequired]
-        public global::System.Guid Id { get; set; } = default!;
+        public required global::System.Guid Id { get; set; }
 
         /// <summary>
         /// Additional properties that are not explicitly defined in the schema
diff --git a/src/libs/Runway/Generated/Runway.Models.Response22.g.cs b/src/libs/Runway/Generated/Runway.Models.Response22.g.cs
index dc19d29..e39a3cd 100644
--- a/src/libs/Runway/Generated/Runway.Models.Response22.g.cs
+++ b/src/libs/Runway/Generated/Runway.Models.Response22.g.cs
@@ -13,7 +13,7 @@ public sealed partial class Response22
         /// </summary>
         [global::System.Text.Json.Serialization.JsonPropertyName("error")]
         [global::System.Text.Json.Serialization.JsonRequired]
-        public string Error { get; set; } = default!;
+        public required string Error { get; set; }
 
         /// <summary>
         /// Additional properties that are not explicitly defined in the schema
diff --git a/src/libs/Runway/Generated/Runway.Models.Response23.g.cs b/src/libs/Runway/Generated/Runway.Models.Response23.g.cs
index 563a417..d674092 100644
--- a/src/libs/Runway/Generated/Runway.Models.Response23.g.cs
+++ b/src/libs/Runway/Generated/Runway.Models.Response23.g.cs
@@ -13,21 +13,21 @@ public sealed partial class Response23
         /// </summary>
         [global::System.Text.Json.Serialization.JsonPropertyName("tier")]
         [global::System.Text.Json.Serialization.JsonRequired]
-        public global::Runway.ResponseTier Tier { get; set; } = default!;
+        public required global::Runway.ResponseTier Tier { get; set; }
 
         /// <summary>
         /// The number of credits remaining in the organization account.
         /// </summary>
         [global::System.Text.Json.Serialization.JsonPropertyName("creditBalance")]
         [global::System.Text.Json.Serialization.JsonRequired]
-        public int CreditBalance { get; set; } = default!;
+        public required int CreditBalance { get; set; }
 
         /// <summary>
         /// Usage data for the organization.
         /// </summary>
         [global::System.Text.Json.Serialization.JsonPropertyName("usage")]
         [global::System.Text.Json.Serialization.JsonRequired]
-        public global::Runway.ResponseUsage Usage { get; set; } = default!;
+        public required global::Runway.ResponseUsage Usage { get; set; }
 
         /// <summary>
         /// Additional properties that are not explicitly defined in the schema
diff --git a/src/libs/Runway/Generated/Runway.Models.Response24.g.cs b/src/libs/Runway/Generated/Runway.Models.Response24.g.cs
index 1fe0c72..5506339 100644
--- a/src/libs/Runway/Generated/Runway.Models.Response24.g.cs
+++ b/src/libs/Runway/Generated/Runway.Models.Response24.g.cs
@@ -13,14 +13,14 @@ public sealed partial class Response24
         /// </summary>
         [global::System.Text.Json.Serialization.JsonPropertyName("results")]
         [global::System.Text.Json.Serialization.JsonRequired]
-        public global::System.Collections.Generic.IList<global::Runway.ResponseResult> Results { get; set; } = default!;
+        public required global::System.Collections.Generic.IList<global::Runway.ResponseResult> Results { get; set; }
 
         /// <summary>
         /// The list of models with usage during the queried time range.
         /// </summary>
         [global::System.Text.Json.Serialization.JsonPropertyName("models")]
         [global::System.Text.Json.Serialization.JsonRequired]
-        public global::System.Collections.Generic.IList<global::Runway.ResponseModel> Models { get; set; } = default!;
+        public required global::System.Collections.Generic.IList<global::Runway.ResponseModel> Models { get; set; }
 
         /// <summary>
         /// Additional properties that are not explicitly defined in the schema
diff --git a/src/libs/Runway/Generated/Runway.Models.Response25.g.cs b/src/libs/Runway/Generated/Runway.Models.Response25.g.cs
index 2a8283f..2c09ea8 100644
--- a/src/libs/Runway/Generated/Runway.Models.Response25.g.cs
+++ b/src/libs/Runway/Generated/Runway.Models.Response25.g.cs
@@ -13,21 +13,21 @@ public sealed partial class Response25
         /// </summary>
         [global::System.Text.Json.Serialization.JsonPropertyName("uploadUrl")]
         [global::System.Text.Json.Serialization.JsonRequired]
-        public string UploadUrl { get; set; } = default!;
+        public required string UploadUrl { get; set; }
 
         /// <summary>
         /// Fields that must be included in the file upload request as form data.
         /// </summary>
         [global::System.Text.Json.Serialization.JsonPropertyName("fields")]
         [global::System.Text.Json.Serialization.JsonRequired]
-        public global::System.Collections.Generic.Dictionary<string, string> Fields { get; set; } = default!;
+        public required global::System.Collections.Generic.Dictionary<string, string> Fields { get; set; }
 
         /// <summary>
         /// The Runway upload URI to use in other API generation requests
         /// </summary>
         [global::System.Text.Json.Serialization.JsonPropertyName("runwayUri")]
         [global::System.Text.Json.Serialization.JsonRequired]
-        public string RunwayUri { get; set; } = default!;
+        public required string RunwayUri { get; set; }
 
         /// <summary>
         /// Additional properties that are not explicitly defined in the schema
diff --git a/src/libs/Runway/Generated/Runway.Models.Response3.g.cs b/src/libs/Runway/Generated/Runway.Models.Response3.g.cs
index 543c726..65e20ae 100644
--- a/src/libs/Runway/Generated/Runway.Models.Response3.g.cs
+++ b/src/libs/Runway/Generated/Runway.Models.Response3.g.cs
@@ -13,7 +13,7 @@ public sealed partial class Response3
         /// </summary>
         [global::System.Text.Json.Serialization.JsonPropertyName("id")]
         [global::System.Text.Json.Serialization.JsonRequired]
-        public global::System.Guid Id { get; set; } = default!;
+        public required global::System.Guid Id { get; set; }
 
         /// <summary>
         /// Additional properties that are not explicitly defined in the schema
diff --git a/src/libs/Runway/Generated/Runway.Models.Response4.g.cs b/src/libs/Runway/Generated/Runway.Models.Response4.g.cs
index 5c7b0ef..3cda89a 100644
--- a/src/libs/Runway/Generated/Runway.Models.Response4.g.cs
+++ b/src/libs/Runway/Generated/Runway.Models.Response4.g.cs
@@ -13,7 +13,7 @@ public sealed partial class Response4
         /// </summary>
         [global::System.Text.Json.Serialization.JsonPropertyName("error")]
         [global::System.Text.Json.Serialization.JsonRequired]
-        public string Error { get; set; } = default!;
+        public required string Error { get; set; }
 
         /// <summary>
         /// Additional properties that are not explicitly defined in the schema
diff --git a/src/libs/Runway/Generated/Runway.Models.Response5.g.cs b/src/libs/Runway/Generated/Runway.Models.Response5.g.cs
index e37c6a5..8454fdb 100644
--- a/src/libs/Runway/Generated/Runway.Models.Response5.g.cs
+++ b/src/libs/Runway/Generated/Runway.Models.Response5.g.cs
@@ -13,7 +13,7 @@ public sealed partial class Response5
         /// </summary>
         [global::System.Text.Json.Serialization.JsonPropertyName("id")]
         [global::System.Text.Json.Serialization.JsonRequired]
-        public global::System.Guid Id { get; set; } = default!;
+        public required global::System.Guid Id { get; set; }
 
         /// <summary>
         /// Additional properties that are not explicitly defined in the schema
diff --git a/src/libs/Runway/Generated/Runway.Models.Response6.g.cs b/src/libs/Runway/Generated/Runway.Models.Response6.g.cs
index be3e6d8..1f40469 100644
--- a/src/libs/Runway/Generated/Runway.Models.Response6.g.cs
+++ b/src/libs/Runway/Generated/Runway.Models.Response6.g.cs
@@ -13,7 +13,7 @@ public sealed partial class Response6
         /// </summary>
         [global::System.Text.Json.Serialization.JsonPropertyName("error")]
         [global::System.Text.Json.Serialization.JsonRequired]
-        public string Error { get; set; } = default!;
+        public required string Error { get; set; }
 
         /// <summary>
         /// Additional properties that are not explicitly defined in the schema
diff --git a/src/libs/Runway/Generated/Runway.Models.Response7.g.cs b/src/libs/Runway/Generated/Runway.Models.Response7.g.cs
index da0518a..33ed794 100644
--- a/src/libs/Runway/Generated/Runway.Models.Response7.g.cs
+++ b/src/libs/Runway/Generated/Runway.Models.Response7.g.cs
@@ -13,7 +13,7 @@ public sealed partial class Response7
         /// </summary>
         [global::System.Text.Json.Serialization.JsonPropertyName("id")]
         [global::System.Text.Json.Serialization.JsonRequired]
-        public global::System.Guid Id { get; set; } = default!;
+        public required global::System.Guid Id { get; set; }
 
         /// <summary>
         /// Additional properties that are not explicitly defined in the schema
diff --git a/src/libs/Runway/Generated/Runway.Models.Response8.g.cs b/src/libs/Runway/Generated/Runway.Models.Response8.g.cs
index 405a50a..a1853fa 100644
--- a/src/libs/Runway/Generated/Runway.Models.Response8.g.cs
+++ b/src/libs/Runway/Generated/Runway.Models.Response8.g.cs
@@ -13,7 +13,7 @@ public sealed partial class Response8
         /// </summary>
         [global::System.Text.Json.Serialization.JsonPropertyName("error")]
         [global::System.Text.Json.Serialization.JsonRequired]
-        public string Error { get; set; } = default!;
+        public required string Error { get; set; }
 
         /// <summary>
         /// Additional properties that are not explicitly defined in the schema
diff --git a/src/libs/Runway/Generated/Runway.Models.Response9.g.cs b/src/libs/Runway/Generated/Runway.Models.Response9.g.cs
index 7640e7f..cd07fef 100644
--- a/src/libs/Runway/Generated/Runway.Models.Response9.g.cs
+++ b/src/libs/Runway/Generated/Runway.Models.Response9.g.cs
@@ -13,7 +13,7 @@ public sealed partial class Response9
         /// </summary>
         [global::System.Text.Json.Serialization.JsonPropertyName("id")]
         [global::System.Text.Json.Serialization.JsonRequired]
-        public global::System.Guid Id { get; set; } = default!;
+        public required global::System.Guid Id { get; set; }
 
         /// <summary>
         /// Additional properties that are not explicitly defined in the schema
diff --git a/src/libs/Runway/Generated/Runway.Models.ResponseResult.g.cs b/src/libs/Runway/Generated/Runway.Models.ResponseResult.g.cs
index 4f3a52e..ecec34a 100644
--- a/src/libs/Runway/Generated/Runway.Models.ResponseResult.g.cs
+++ b/src/libs/Runway/Generated/Runway.Models.ResponseResult.g.cs
@@ -13,14 +13,14 @@ public sealed partial class ResponseResult
         /// </summary>
         [global::System.Text.Json.Serialization.JsonPropertyName("date")]
         [global::System.Text.Json.Serialization.JsonRequired]
-        public global::System.DateTime Date { get; set; } = default!;
+        public required global::System.DateTime Date { get; set; }
 
         /// <summary>
         /// The credits used per model for the given date.
         /// </summary>
         [global::System.Text.Json.Serialization.JsonPropertyName("usedCredits")]
         [global::System.Text.Json.Serialization.JsonRequired]
-        public global::System.Collections.Generic.IList<global::Runway.ResponseResultUsedCredit> UsedCredits { get; set; } = default!;
+        public required global::System.Collections.Generic.IList<global::Runway.ResponseResultUsedCredit> UsedCredits { get; set; }
 
         /// <summary>
         /// Additional properties that are not explicitly defined in the schema
diff --git a/src/libs/Runway/Generated/Runway.Models.ResponseResultUsedCredit.g.cs b/src/libs/Runway/Generated/Runway.Models.ResponseResultUsedCredit.g.cs
index cecff8e..42a847f 100644
--- a/src/libs/Runway/Generated/Runway.Models.ResponseResultUsedCredit.g.cs
+++ b/src/libs/Runway/Generated/Runway.Models.ResponseResultUsedCredit.g.cs
@@ -14,14 +14,14 @@ public sealed partial class ResponseResultUsedCredit
         [global::System.Text.Json.Serialization.JsonPropertyName("model")]
         [global::System.Text.Json.Serialization.JsonConverter(typeof(global::Runway.JsonConverters.ResponseResultUsedCreditModelJsonConverter))]
         [global::System.Text.Json.Serialization.JsonRequired]
-        public global::Runway.ResponseResultUsedCreditModel Model { get; set; } = default!;
+        public required global::Runway.ResponseResultUsedCreditModel Model { get; set; }
 
         /// <summary>
         /// The number of credits spent on the model.
         /// </summary>
         [global::System.Text.Json.Serialization.JsonPropertyName("amount")]
         [global::System.Text.Json.Serialization.JsonRequired]
-        public int Amount { get; set; } = default!;
+        public required int Amount { get; set; }
 
         /// <summary>
         /// Additional properties that are not explicitly defined in the schema
diff --git a/src/libs/Runway/Generated/Runway.Models.ResponseTier.g.cs b/src/libs/Runway/Generated/Runway.Models.ResponseTier.g.cs
index 9ba8d00..695515b 100644
--- a/src/libs/Runway/Generated/Runway.Models.ResponseTier.g.cs
+++ b/src/libs/Runway/Generated/Runway.Models.ResponseTier.g.cs
@@ -13,14 +13,14 @@ public sealed partial class ResponseTier
         /// </summary>
         [global::System.Text.Json.Serialization.JsonPropertyName("maxMonthlyCreditSpend")]
         [global::System.Text.Json.Serialization.JsonRequired]
-        public int MaxMonthlyCreditSpend { get; set; } = default!;
+        public required int MaxMonthlyCreditSpend { get; set; }
 
         /// <summary>
         /// An object containing model-specific limits. Each key represents a model.
         /// </summary>
         [global::System.Text.Json.Serialization.JsonPropertyName("models")]
         [global::System.Text.Json.Serialization.JsonRequired]
-        public global::System.Collections.Generic.Dictionary<string, global::Runway.ResponseTierModels2> Models { get; set; } = default!;
+        public required global::System.Collections.Generic.Dictionary<string, global::Runway.ResponseTierModels2> Models { get; set; }
 
         /// <summary>
         /// Additional properties that are not explicitly defined in the schema
diff --git a/src/libs/Runway/Generated/Runway.Models.ResponseTierModels2.g.cs b/src/libs/Runway/Generated/Runway.Models.ResponseTierModels2.g.cs
index 2e0fbef..a3f3519 100644
--- a/src/libs/Runway/Generated/Runway.Models.ResponseTierModels2.g.cs
+++ b/src/libs/Runway/Generated/Runway.Models.ResponseTierModels2.g.cs
@@ -13,14 +13,14 @@ public sealed partial class ResponseTierModels2
         /// </summary>
         [global::System.Text.Json.Serialization.JsonPropertyName("maxConcurrentGenerations")]
         [global::System.Text.Json.Serialization.JsonRequired]
-        public int MaxConcurrentGenerations { get; set; } = default!;
+        public required int MaxConcurrentGenerations { get; set; }
 
         /// <summary>
         /// The maximum number of generations that can be created each day for this model.
         /// </summary>
         [global::System.Text.Json.Serialization.JsonPropertyName("maxDailyGenerations")]
         [global::System.Text.Json.Serialization.JsonRequired]
-        public int MaxDailyGenerations { get; set; } = default!;
+        public required int MaxDailyGenerations { get; set; }
 
         /// <summary>
         /// Additional properties that are not explicitly defined in the schema
diff --git a/src/libs/Runway/Generated/Runway.Models.ResponseUsage.g.cs b/src/libs/Runway/Generated/Runway.Models.ResponseUsage.g.cs
index eda8e07..6d02930 100644
--- a/src/libs/Runway/Generated/Runway.Models.ResponseUsage.g.cs
+++ b/src/libs/Runway/Generated/Runway.Models.ResponseUsage.g.cs
@@ -13,7 +13,7 @@ public sealed partial class ResponseUsage
         /// </summary>
         [global::System.Text.Json.Serialization.JsonPropertyName("models")]
         [global::System.Text.Json.Serialization.JsonRequired]
-        public global::System.Collections.Generic.Dictionary<string, global::Runway.ResponseUsageModels2> Models { get; set; } = default!;
+        public required global::System.Collections.Generic.Dictionary<string, global::Runway.ResponseUsageModels2> Models { get; set; }
 
         /// <summary>
         /// Additional properties that are not explicitly defined in the schema
diff --git a/src/libs/Runway/Generated/Runway.Models.ResponseUsageModels2.g.cs b/src/libs/Runway/Generated/Runway.Models.ResponseUsageModels2.g.cs
index 14b1722..eb90497 100644
--- a/src/libs/Runway/Generated/Runway.Models.ResponseUsageModels2.g.cs
+++ b/src/libs/Runway/Generated/Runway.Models.ResponseUsageModels2.g.cs
@@ -13,7 +13,7 @@ public sealed partial class ResponseUsageModels2
         /// </summary>
         [global::System.Text.Json.Serialization.JsonPropertyName("dailyGenerations")]
         [global::System.Text.Json.Serialization.JsonRequired]
-        public int DailyGenerations { get; set; } = default!;
+        public required int DailyGenerations { get; set; }
 
         /// <summary>
         /// Additional properties that are not explicitly defined in the schema
diff --git a/src/libs/Runway/Generated/Runway.Models.ResponseVariant1.g.cs b/src/libs/Runway/Generated/Runway.Models.ResponseVariant1.g.cs
index 2d4defe..10bc826 100644
--- a/src/libs/Runway/Generated/Runway.Models.ResponseVariant1.g.cs
+++ b/src/libs/Runway/Generated/Runway.Models.ResponseVariant1.g.cs
@@ -13,14 +13,14 @@ public sealed partial class ResponseVariant1
         /// </summary>
         [global::System.Text.Json.Serialization.JsonPropertyName("id")]
         [global::System.Text.Json.Serialization.JsonRequired]
-        public global::System.Guid Id { get; set; } = default!;
+        public required global::System.Guid Id { get; set; }
 
         /// <summary>
         /// The timestamp that the task was submitted at.
         /// </summary>
         [global::System.Text.Json.Serialization.JsonPropertyName("createdAt")]
         [global::System.Text.Json.Serialization.JsonRequired]
-        public global::System.DateTime CreatedAt { get; set; } = default!;
+        public required global::System.DateTime CreatedAt { get; set; }
 
         /// <summary>
         /// 
diff --git a/src/libs/Runway/Generated/Runway.Models.ResponseVariant2.g.cs b/src/libs/Runway/Generated/Runway.Models.ResponseVariant2.g.cs
index a0bca71..ee5f3c8 100644
--- a/src/libs/Runway/Generated/Runway.Models.ResponseVariant2.g.cs
+++ b/src/libs/Runway/Generated/Runway.Models.ResponseVariant2.g.cs
@@ -13,14 +13,14 @@ public sealed partial class ResponseVariant2
         /// </summary>
         [global::System.Text.Json.Serialization.JsonPropertyName("id")]
         [global::System.Text.Json.Serialization.JsonRequired]
-        public global::System.Guid Id { get; set; } = default!;
+        public required global::System.Guid Id { get; set; }
 
         /// <summary>
         /// The timestamp that the task was submitted at.
         /// </summary>
         [global::System.Text.Json.Serialization.JsonPropertyName("createdAt")]
         [global::System.Text.Json.Serialization.JsonRequired]
-        public global::System.DateTime CreatedAt { get; set; } = default!;
+        public required global::System.DateTime CreatedAt { get; set; }
 
         /// <summary>
         /// 
diff --git a/src/libs/Runway/Generated/Runway.Models.ResponseVariant3.g.cs b/src/libs/Runway/Generated/Runway.Models.ResponseVariant3.g.cs
index dfd5135..69d00ea 100644
--- a/src/libs/Runway/Generated/Runway.Models.ResponseVariant3.g.cs
+++ b/src/libs/Runway/Generated/Runway.Models.ResponseVariant3.g.cs
@@ -13,14 +13,14 @@ public sealed partial class ResponseVariant3
         /// </summary>
         [global::System.Text.Json.Serialization.JsonPropertyName("id")]
         [global::System.Text.Json.Serialization.JsonRequired]
-        public global::System.Guid Id { get; set; } = default!;
+        public required global::System.Guid Id { get; set; }
 
         /// <summary>
         /// The timestamp that the task was submitted at.
         /// </summary>
         [global::System.Text.Json.Serialization.JsonPropertyName("createdAt")]
         [global::System.Text.Json.Serialization.JsonRequired]
-        public global::System.DateTime CreatedAt { get; set; } = default!;
+        public required global::System.DateTime CreatedAt { get; set; }
 
         /// <summary>
         /// 
diff --git a/src/libs/Runway/Generated/Runway.Models.ResponseVariant4.g.cs b/src/libs/Runway/Generated/Runway.Models.ResponseVariant4.g.cs
index b4e8c36..5b65448 100644
--- a/src/libs/Runway/Generated/Runway.Models.ResponseVariant4.g.cs
+++ b/src/libs/Runway/Generated/Runway.Models.ResponseVariant4.g.cs
@@ -13,14 +13,14 @@ public sealed partial class ResponseVariant4
         /// </summary>
         [global::System.Text.Json.Serialization.JsonPropertyName("id")]
         [global::System.Text.Json.Serialization.JsonRequired]
-        public global::System.Guid Id { get; set; } = default!;
+        public required global::System.Guid Id { get; set; }
 
         /// <summary>
         /// The timestamp that the task was submitted at.
         /// </summary>
         [global::System.Text.Json.Serialization.JsonPropertyName("createdAt")]
         [global::System.Text.Json.Serialization.JsonRequired]
-        public global::System.DateTime CreatedAt { get; set; } = default!;
+        public required global::System.DateTime CreatedAt { get; set; }
 
         /// <summary>
         /// 
@@ -34,7 +34,7 @@ public sealed partial class ResponseVariant4
         /// </summary>
         [global::System.Text.Json.Serialization.JsonPropertyName("progress")]
         [global::System.Text.Json.Serialization.JsonRequired]
-        public double Progress { get; set; } = default!;
+        public required double Progress { get; set; }
 
         /// <summary>
         /// Additional properties that are not explicitly defined in the schema
diff --git a/src/libs/Runway/Generated/Runway.Models.ResponseVariant5.g.cs b/src/libs/Runway/Generated/Runway.Models.ResponseVariant5.g.cs
index f03850b..c9f5456 100644
--- a/src/libs/Runway/Generated/Runway.Models.ResponseVariant5.g.cs
+++ b/src/libs/Runway/Generated/Runway.Models.ResponseVariant5.g.cs
@@ -13,14 +13,14 @@ public sealed partial class ResponseVariant5
         /// </summary>
         [global::System.Text.Json.Serialization.JsonPropertyName("id")]
         [global::System.Text.Json.Serialization.JsonRequired]
-        public global::System.Guid Id { get; set; } = default!;
+        public required global::System.Guid Id { get; set; }
 
         /// <summary>
         /// The timestamp that the task was submitted at.
         /// </summary>
         [global::System.Text.Json.Serialization.JsonPropertyName("createdAt")]
         [global::System.Text.Json.Serialization.JsonRequired]
-        public global::System.DateTime CreatedAt { get; set; } = default!;
+        public required global::System.DateTime CreatedAt { get; set; }
 
         /// <summary>
         /// 
@@ -34,7 +34,7 @@ public sealed partial class ResponseVariant5
         /// </summary>
         [global::System.Text.Json.Serialization.JsonPropertyName("failure")]
         [global::System.Text.Json.Serialization.JsonRequired]
-        public string Failure { get; set; } = default!;
+        public required string Failure { get; set; }
 
         /// <summary>
         /// A machine-readable error code for the failure. See https://docs.dev.runwayml.com/errors/task-failures/ for more information.
diff --git a/src/libs/Runway/Generated/Runway.Models.ResponseVariant6.g.cs b/src/libs/Runway/Generated/Runway.Models.ResponseVariant6.g.cs
index b5caf16..9c7d9f6 100644
--- a/src/libs/Runway/Generated/Runway.Models.ResponseVariant6.g.cs
+++ b/src/libs/Runway/Generated/Runway.Models.ResponseVariant6.g.cs
@@ -13,14 +13,14 @@ public sealed partial class ResponseVariant6
         /// </summary>
         [global::System.Text.Json.Serialization.JsonPropertyName("id")]
         [global::System.Text.Json.Serialization.JsonRequired]
-        public global::System.Guid Id { get; set; } = default!;
+        public required global::System.Guid Id { get; set; }
 
         /// <summary>
         /// The timestamp that the task was submitted at.
         /// </summary>
         [global::System.Text.Json.Serialization.JsonPropertyName("createdAt")]
         [global::System.Text.Json.Serialization.JsonRequired]
-        public global::System.DateTime CreatedAt { get; set; } = default!;
+        public required global::System.DateTime CreatedAt { get; set; }
 
         /// <summary>
         /// 
@@ -34,7 +34,7 @@ public sealed partial class ResponseVariant6
         /// </summary>
         [global::System.Text.Json.Serialization.JsonPropertyName("output")]
         [global::System.Text.Json.Serialization.JsonRequired]
-        public global::System.Collections.Generic.IList<string> Output { get; set; } = default!;
+        public required global::System.Collections.Generic.IList<string> Output { get; set; }
 
         /// <summary>
         /// Additional properties that are not explicitly defined in the schema
diff --git a/src/libs/Runway/openapi.yaml b/src/libs/Runway/openapi.yaml
index 007957e..be43900 100644
--- a/src/libs/Runway/openapi.yaml
+++ b/src/libs/Runway/openapi.yaml
@@ -779,7 +779,7 @@ paths:
                             x-stainless-variantName: PromptImage
                           description: An array of objects representing images to be used in the output video. Only a `first` frame is supported.
                     duration:
-                      default: 8
+                      const: '8'
                       type: number
                       description: The number of seconds of duration for the output video.
                     ratio:
@@ -926,7 +926,7 @@ paths:
                       type: string
                       description: A non-empty string up to 1000 characters (measured in UTF-16 code units). This should describe in detail what should appear in the output.
                     duration:
-                      default: 8
+                      const: '8'
                       type: number
                       description: The number of seconds of duration for the output video.
                     ratio: