Reasoning configuration
Last updated
POST /v1/chat/completions HTTP/1.1
Host: llm.onerouter.pro
Authorization: text
Content-Type: application/json
Accept: */*
Content-Length: 150
{
"model": "openai/gpt-5.4",
"messages": [
{
"role": "user",
"content": "What's the weather like in London?"
}
],
"reasoning": {
"effort": "high",
"max_tokens": 2000
}
}{
"id": "chatcmpl-DL2HWD379cMteYSFHunLdHHDZrgP4",
"model": "openai/gpt-5.4",
"object": "chat.completion",
"created": 1773906030,
"choices": [
{
"index": 0,
"message": {
"role": "assistant",
"content": "I don’t have live weather data in this chat, so I can’t tell you the current weather in London right now.\n\nIf you mean London, UK, you can check quickly in:\n- a weather app\n- Google: “London weather”\n- the Met Office or BBC Weather\n\nIf you want, I can still help with:\n- a typical March weather overview for London\n- what to pack\n- how to read a forecast once you paste it here\n\nIf you meant a different London, tell me which one."
},
"finish_reason": "stop",
"logprobs": null
}
],
"request_id": "270db749c98f459aa8d2312dbdaf264f",
"usage": {
"prompt_tokens": 13,
"completion_tokens": 185,
"total_tokens": 198,
"prompt_tokens_details": {
"cached_tokens": 0,
"cache_write_tokens": 0,
"audio_tokens": 0,
"video_tokens": 0
},
"completion_tokens_details": {
"reasoning_tokens": 70,
"image_tokens": 0,
"audio_tokens": 0
}
}
}