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feat(openai): capture audio transcript deltas in streaming chat completions #1831

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feat(openai): capture audio transcript deltas in streaming chat completions #1831

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0ce4574
feat(openai): capture audio transcript deltas in streaming chat compl…
arnab812 Aug 23, 2026
52bfd69
Merge branch 'main' into feature/capture-audio-transcripts
arnab812 Aug 24, 2026
10141c7
Merge branch 'main' into feature/capture-audio-transcripts
arnab812 Aug 25, 2026
086c33e
Merge branch 'main' into feature/capture-audio-transcripts
arnab812 Aug 25, 2026
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14 changes: 14 additions & 0 deletions langfuse/openai.py
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Original file line number Diff line number Diff line change
Expand Up @@ -800,6 +800,20 @@ def _extract_streamed_openai_response(resource: Any, chunks: Any) -> Any:
else completion["content"] + delta.get("content", None)
)

# Handle streaming audio delta
audio_delta = delta.get("audio", None)
if audio_delta is not None:
if hasattr(audio_delta, "__dict__"):
audio_delta = audio_delta.__dict__

transcript_chunk = _get_attr_or_item(audio_delta, "transcript", None)
if transcript_chunk is not None:
completion["content"] = (
transcript_chunk
if completion["content"] is None
else completion["content"] + transcript_chunk
)

if delta.get("function_call", None) is not None:
curr = completion["function_call"]
tool_call_chunk = delta.get("function_call", None)
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