gpt-5-nano

POST

https://api.mixrouter.com/v1/chat/completions

Input：text、image

Output：text

Request

Authorization

Provide your bearer token in the

Authorization

header when making requests to protected resources.

Example:

Authorization: Bearer ********************

Body Params application/jsonRequired

Example

{
    "model": "gpt-5-nano",
    "max_tokens": 2000,
    "messages": [
        {
            "role": "user",
            "content": [
                {
                    "type": "text",
                    "text": "1+2+3+4+...+100=?"
                }
            ]
        }
    ],
    "temperature": 0.8,
    "top_p": 0.1,
    "steam": false
}

Request Code Samples

Shell

JavaScript

Java

Swift

PHP

Python

HTTP

Objective-C

Ruby

OCaml

Dart

curl --location --request POST 'https://api.mixrouter.com/v1/chat/completions' \
--header 'Authorization: Bearer <token>' \
--header 'Content-Type: application/json' \
--data-raw '{
    "model": "gpt-5-nano",
    "max_tokens": 2000,
    "messages": [
        {
            "role": "user",
            "content": [
                {
                    "type": "text",
                    "text": "1+2+3+4+...+100=?"
                }
            ]
        }
    ],
    "temperature": 0.8,
    "top_p": 0.1,
    "steam": false
}'

Responses

🟢200OK

application/json

Body

Example

{
    "id": "chatcmpl-CqrqHtsIkm30ySlXp8BAmVm6gNYmX",
    "object": "chat.completion",
    "created": 1766716061,
    "model": "gpt-5-nano",
    "choices": [
        {
            "index": 0,
            "message": {
                "role": "assistant",
                "content": "5050\n\nExplanation: Pair terms as (1+100), (2+99), ..., (50+51). Each pair sums to 101, and there are 50 pairs, so 50 × 101 = 5050. Alternatively, use the formula n(n+1)/2 with n = 100: 100×101/2 = 5050.",
                "refusal": null,
                "annotations": []
            },
            "logprobs": null,
            "finish_reason": "stop"
        }
    ],
    "usage": {
        "prompt_tokens": 18,
        "completion_tokens": 279,
        "total_tokens": 297,
        "prompt_tokens_details": {
            "cached_tokens": 0,
            "audio_tokens": 0
        },
        "completion_tokens_details": {
            "reasoning_tokens": 192,
            "audio_tokens": 0,
            "accepted_prediction_tokens": 0,
            "rejected_prediction_tokens": 0
        }
    },
    "system_fingerprint": null
}

Modified at 2025-12-31 06:43:37

gpt-5-mini

gpt-5.1