{
  "id": "chatcmpl-msg_01TRUNC",
  "object": "chat.completion",
  "created": 1734000000,
  "model": "gw-anthropic-model",
  "choices": [
    {
      "index": 0,
      "message": {"role": "assistant", "content": "This response was cut"},
      "finish_reason": "length"
    }
  ],
  "usage": {"prompt_tokens": 5, "completion_tokens": 100, "total_tokens": 105}
}