diff --git a/crates/forge_repo/src/provider/provider.json b/crates/forge_repo/src/provider/provider.json
index 1343680862..ccca0a6b02 100644
--- a/crates/forge_repo/src/provider/provider.json
+++ b/crates/forge_repo/src/provider/provider.json
@@ -2406,6 +2406,16 @@
     "response_type": "OpenAI",
     "url": "https://chatgpt.com/backend-api/codex/responses",
     "models": [
+      {
+        "id": "gpt-5.5",
+        "name": "GPT-5.5",
+        "description": "Latest frontier model for complex professional work",
+        "context_length": 400000,
+        "tools_supported": true,
+        "supports_parallel_tool_calls": true,
+        "supports_reasoning": true,
+        "input_modalities": ["text", "image"]
+      },
       {
         "id": "gpt-5.4-mini",
         "name": "GPT-5.4 Mini",