diff --git a/src/openai/types/beta/beta_response_output_text.py b/src/openai/types/beta/beta_response_output_text.py
index b17471ea68..50b20d5495 100644
--- a/src/openai/types/beta/beta_response_output_text.py
+++ b/src/openai/types/beta/beta_response_output_text.py
@@ -122,7 +122,7 @@ class BetaResponseOutputText(BaseModel):
     annotations: List[Annotation]
     """The annotations of the text output."""
 
-    text: str
+    text: Optional[str] = None
     """The text output from the model."""
 
     type: Literal["output_text"]
diff --git a/src/openai/types/responses/response_output_text.py b/src/openai/types/responses/response_output_text.py
index 7bcfe59c4d..be04a904fe 100644
--- a/src/openai/types/responses/response_output_text.py
+++ b/src/openai/types/responses/response_output_text.py
@@ -122,7 +122,7 @@ class ResponseOutputText(BaseModel):
     annotations: List[Annotation]
     """The annotations of the text output."""
 
-    text: str
+    text: Optional[str] = None
     """The text output from the model."""
 
     type: Literal["output_text"]