Example

{
    "event_id": "event_4344",
    "type": "response.output_text.done",
    "response_id": "resp_001",
    "item_id": "msg_007",
    "output_index": 0,
    "content_index": 0,
    "text": "Sure, I can help with that."
}

response.output_audio_transcript.delta

Returned when the model-generated transcription of audio output is updated.