=== chat-low ===
--- INPUT  (POST chat, request.json) ---
{
  "model": "zai-org/GLM-5.3",
  "temperature": 0,
  "messages": [
    {
      "role": "user",
      "content": "Reply with exactly OK."
    }
  ],
  "max_tokens": 4096,
  "reasoning_effort": "low"
}

--- OUTPUT (HTTP 200, 0.5 s, pass=True) ---
{"id":"911f3e0cd8da42c9bd6ebe2a51609ca3","choices":[{"index":0,"message":{"content":"OK","refusal":null,"role":"assistant","reasoning_content":"Reply exactly \"OK\"."},"finish_reason":"stop","logprobs":null}],"created":1792329990,"model":"zai-org/GLM-5.3","object":"chat.completion","usage":{"prompt_tokens":17,"completion_tokens":8,"total_tokens":25,"prompt_tokens_details":{"cached_tokens":0}}}