diff --git a/generated_types.json b/generated_types.json
index f741eba9..3715ee3b 100644
--- a/generated_types.json
+++ b/generated_types.json
@@ -7733,6 +7733,9 @@
             "maximum": 1,
             "description": "The sampling rate for topic automation"
           },
+          "facet_model": {
+            "$ref": "#/components/schemas/TopicAutomationFacetModel"
+          },
           "facet_functions": {
             "type": "array",
             "items": {
@@ -7878,6 +7881,18 @@
         ],
         "description": "Optional data scope for topic automation."
       },
+      "TopicAutomationFacetModel": {
+        "type": [
+          "string",
+          "null"
+        ],
+        "enum": [
+          "brain-facet-latest",
+          "brain-facet-1",
+          "brain-facet-2"
+        ],
+        "description": "Optional facet model override for topic automation"
+      },
       "TopicMapData": {
         "type": "object",
         "properties": {
diff --git a/py/src/braintrust/_generated_types.py b/py/src/braintrust/_generated_types.py
index c4a15701..bb516d3a 100644
--- a/py/src/braintrust/_generated_types.py
+++ b/py/src/braintrust/_generated_types.py
@@ -2419,6 +2419,14 @@ class TopicAutomationDataScopeTopicAutomationDataScope2(TypedDict):
 """
 
 
+TopicAutomationFacetModel: TypeAlias = Literal[
+    'brain-facet-latest', 'brain-facet-1', 'brain-facet-2'
+]
+"""
+Optional facet model override for topic automation
+"""
+
+
 class Function1Function1(TypedDict):
     type: Literal['function']
     id: str
@@ -3333,6 +3341,7 @@ class TopicAutomationConfig(TypedDict):
     """
     The sampling rate for topic automation
     """
+    facet_model: NotRequired[TopicAutomationFacetModel | None]
     facet_functions: Sequence[SavedFunctionId]
     """
     Facet functions used by the topic automation
diff --git a/py/src/braintrust/generated_types.py b/py/src/braintrust/generated_types.py
index 7a385c38..c3ddc5d6 100644
--- a/py/src/braintrust/generated_types.py
+++ b/py/src/braintrust/generated_types.py
@@ -1,4 +1,4 @@
-"""Auto-generated file (content hash 2046371fcb54d28e) -- do not modify"""
+"""Auto-generated file (content hash 56952ef4659f447d) -- do not modify"""
 
 from ._generated_types import (
     Acl,
@@ -101,6 +101,7 @@
     ToolFunctionDefinition,
     TopicAutomationConfig,
     TopicAutomationDataScope,
+    TopicAutomationFacetModel,
     TopicMapData,
     TopicMapFunctionAutomation,
     TopicMapGenerationSettings,
@@ -216,6 +217,7 @@
     "ToolFunctionDefinition",
     "TopicAutomationConfig",
     "TopicAutomationDataScope",
+    "TopicAutomationFacetModel",
     "TopicMapData",
     "TopicMapFunctionAutomation",
     "TopicMapGenerationSettings",