diff --git a/docs/features/reasoning_outputs.md b/docs/features/reasoning_outputs.md
index 6b84eca27..04b943efb 100644
--- a/docs/features/reasoning_outputs.md
+++ b/docs/features/reasoning_outputs.md
@@ -123,13 +123,12 @@ OpenAI Python client library does not officially support `reasoning_content` att
     printed_content = False
 
     for chunk in stream:
-        reasoning_content = None
-        content = None
-        # Check the content is reasoning_content or content
-        if hasattr(chunk.choices[0].delta, "reasoning_content"):
-            reasoning_content = chunk.choices[0].delta.reasoning_content
-        elif hasattr(chunk.choices[0].delta, "content"):
-            content = chunk.choices[0].delta.content
+        # Safely extract reasoning_content and content from delta,
+        # defaulting to None if attributes don't exist or are empty strings
+        reasoning_content = (
+            getattr(chunk.choices[0].delta, "reasoning_content", None) or None
+        )
+        content = getattr(chunk.choices[0].delta, "content", None) or None
 
         if reasoning_content is not None:
             if not printed_reasoning_content:
diff --git a/examples/online_serving/openai_chat_completion_with_reasoning_streaming.py b/examples/online_serving/openai_chat_completion_with_reasoning_streaming.py
index 5a9192977..7d1ea3771 100644
--- a/examples/online_serving/openai_chat_completion_with_reasoning_streaming.py
+++ b/examples/online_serving/openai_chat_completion_with_reasoning_streaming.py
@@ -51,13 +51,12 @@ def main():
     printed_content = False
 
     for chunk in stream:
-        reasoning_content = None
-        content = None
-        # Check the content is reasoning_content or content
-        if hasattr(chunk.choices[0].delta, "reasoning_content"):
-            reasoning_content = chunk.choices[0].delta.reasoning_content
-        elif hasattr(chunk.choices[0].delta, "content"):
-            content = chunk.choices[0].delta.content
+        # Safely extract reasoning_content and content from delta,
+        # defaulting to None if attributes don't exist or are empty strings
+        reasoning_content = (
+            getattr(chunk.choices[0].delta, "reasoning_content", None) or None
+        )
+        content = getattr(chunk.choices[0].delta, "content", None) or None
 
         if reasoning_content is not None:
             if not printed_reasoning_content: