diff --git a/litellm/types/llms/openai.py b/litellm/types/llms/openai.py
index 378899b667d..0d953f3be7f 100644
--- a/litellm/types/llms/openai.py
+++ b/litellm/types/llms/openai.py
@@ -734,7 +734,7 @@ class ChatCompletionReasoningItem(TypedDict, total=False):
     type: Required[Literal["reasoning"]]
     id: str
     encrypted_content: str | None
-    summary: ReadOnly[list[ChatCompletionReasoningSummaryTextBlock]]
+    summary: list[ChatCompletionReasoningSummaryTextBlock]  # writable-ok: Pydantic warns on ReadOnly TypedDict fields
 
 
 class WebSearchOptionsUserLocationApproximate(TypedDict, total=False):