CreateChatCompletionStreamResponse

{
    "id": "string",
    "choices": [
        {
            "delta": {
                "content": "string",
                "function_call": {
                    "arguments": "string",
                    "name": "string"
                },
                "tool_calls": [
                    {
                        "index": 0,
                        "id": "string",
                        "type": "function",
                        "function": {
                            "name": "string",
                            "arguments": "string"
                        }
                    }
                ],
                "role": "developer",
                "refusal": "string"
            },
            "logprobs": {
                "content": [
                    {
                        "token": "string",
                        "logprob": 0,
                        "bytes": [
                            0
                        ],
                        "top_logprobs": [
                            {
                                "token": "string",
                                "logprob": 0,
                                "bytes": [
                                    0
                                ]
                            }
                        ]
                    }
                ],
                "refusal": [
                    {
                        "token": "string",
                        "logprob": 0,
                        "bytes": [
                            0
                        ],
                        "top_logprobs": [
                            {
                                "token": "string",
                                "logprob": 0,
                                "bytes": [
                                    0
                                ]
                            }
                        ]
                    }
                ]
            },
            "finish_reason": "stop",
            "index": 0
        }
    ],
    "created": 0,
    "model": "string",
    "service_tier": "auto",
    "system_fingerprint": "string",
    "object": "chat.completion.chunk",
    "usage": {
        "completion_tokens": 0,
        "prompt_tokens": 0,
        "total_tokens": 0,
        "completion_tokens_details": {
            "accepted_prediction_tokens": 0,
            "audio_tokens": 0,
            "reasoning_tokens": 0,
            "rejected_prediction_tokens": 0
        },
        "prompt_tokens_details": {
            "audio_tokens": 0,
            "cached_tokens": 0
        }
    }
}