Match OpenAI models in strictness (#1356)

Kludex · web-flow · commit 14eced907d24 · 2025-04-03T06:39:20.000Z
diff --git a/pydantic_ai_slim/pydantic_ai/models/openai.py b/pydantic_ai_slim/pydantic_ai/models/openai.py
@@ -630,7 +630,8 @@ def _map_tool_definition(f: ToolDefinition) -> responses.FunctionToolParam:
             'parameters': f.parameters_json_schema,
             'type': 'function',
             'description': f.description,
-            'strict': True,
+            # TODO(Marcelo): We should make this configurable, and if True, set `additionalProperties` to False.
+            'strict': False,
         }
 
     async def _map_message(self, messages: list[ModelMessage]) -> tuple[str, list[responses.ResponseInputItemParam]]:

Original file line number	Diff line number	Diff line change
`@@ -630,7 +630,8 @@ def _map_tool_definition(f: ToolDefinition) -> responses.FunctionToolParam:`
`630`	`630`	`'parameters': f.parameters_json_schema,`
`631`	`631`	`'type': 'function',`
`632`	`632`	`'description': f.description,`
`633`		`- 'strict': True,`
	`633`	+ # TODO(Marcelo): We should make this configurable, and if True, set `additionalProperties` to False.
	`634`	`+ 'strict': False,`
`634`	`635`	`}`
`635`	`636`
`636`	`637`	`async def _map_message(self, messages: list[ModelMessage]) -> tuple[str, list[responses.ResponseInputItemParam]]:`