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fix: handle reasoning_content in OpenRouter thinking model responses #6014

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fix: handle reasoning_content in OpenRouter thinking model responses #6014

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38 changes: 30 additions & 8 deletions lib/crewai/src/crewai/llms/providers/openai/completion.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1661,7 +1661,11 @@ def _handle_completion(
if result is not None:
return result

content = message.content or ""
content = message.content if isinstance(message.content, str) else None
if content is None:
reasoning = getattr(message, "reasoning_content", None)
content = reasoning if isinstance(reasoning, str) else None
content = content or ""

if self.response_format and isinstance(self.response_format, type):
try:
Expand Down Expand Up @@ -1898,10 +1902,17 @@ def _handle_streaming_completion(
choice = completion_chunk.choices[0]
chunk_delta: ChoiceDelta = choice.delta

if chunk_delta.content:
full_response += chunk_delta.content
delta_text: str | None = None
if isinstance(chunk_delta.content, str):
delta_text = chunk_delta.content
elif isinstance(
getattr(chunk_delta, "reasoning_content", None), str
):
delta_text = chunk_delta.reasoning_content
if delta_text:
full_response += delta_text
self._emit_stream_chunk_event(
chunk=chunk_delta.content,
chunk=delta_text,
from_task=from_task,
from_agent=from_agent,
response_id=response_id_stream,
Expand Down Expand Up @@ -2051,7 +2062,11 @@ async def _ahandle_completion(
if result is not None:
return result

content = message.content or ""
content = message.content if isinstance(message.content, str) else None
if content is None:
reasoning = getattr(message, "reasoning_content", None)
content = reasoning if isinstance(reasoning, str) else None
content = content or ""

if self.response_format and isinstance(self.response_format, type):
try:
Expand Down Expand Up @@ -2199,10 +2214,17 @@ async def _ahandle_streaming_completion(
choice = chunk.choices[0]
chunk_delta: ChoiceDelta = choice.delta

if chunk_delta.content:
full_response += chunk_delta.content
delta_text: str | None = None
if isinstance(chunk_delta.content, str):
delta_text = chunk_delta.content
elif isinstance(
getattr(chunk_delta, "reasoning_content", None), str
):
delta_text = chunk_delta.reasoning_content
if delta_text:
full_response += delta_text
self._emit_stream_chunk_event(
chunk=chunk_delta.content,
chunk=delta_text,
from_task=from_task,
from_agent=from_agent,
response_id=response_id_stream,
Expand Down