Usage

{
    "prompt_tokens": 0,
    "completion_tokens": 0,
    "total_tokens": 0,
    "prompt_tokens_details": {
        "cached_tokens": 0,
        "text_tokens": 0,
        "audio_tokens": 0,
        "image_tokens": 0
    },
    "completion_tokens_details": {
        "text_tokens": 0,
        "audio_tokens": 0,
        "reasoning_tokens": 0
    }
}