gpt-5-chat

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-chat",
    "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

Go

PHP

Python

HTTP

C

C#

Objective-C

Ruby

OCaml

Dart

R

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-chat",
    "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-CqabGZ6sGGGoXqc5nuCUQdu43f6DK",
    "object": "chat.completion",
    "created": 1766649782,
    "model": "gpt-5-chat-latest",
    "choices": [
        {
            "index": 0,
            "message": {
                "role": "assistant",
                "content": "Sure! The sum of the first 100 positive integers can be calculated using the formula for the sum of an arithmetic series:\n\n\\[\nS_n = \\frac{n(a_1 + a_n)}{2}\n\\]\n\nWhere:  \n- \\(n\\) = number of terms  \n- \\(a_1\\) = first term  \n- \\(a_n\\) = last term  \n\nHere:  \n- \\(n = 100\\)  \n- \\(a_1 = 1\\)  \n- \\(a_n = 100\\)  \n\n\\[\nS_{100} = \\frac{100(1 + 100)}{2} = \\frac{100 \\times 101}{2} = 50 \\times 101 = 5050\n\\]\n\nSo:\n\n\\[\n\\boxed{5050}\n\\]\n\nDo you want me to also show the reasoning using Gauss’s clever pairing method?",
                "refusal": null,
                "annotations": []
            },
            "logprobs": null,
            "finish_reason": "stop"
        }
    ],
    "usage": {
        "prompt_tokens": 19,
        "completion_tokens": 189,
        "total_tokens": 208,
        "prompt_tokens_details": {
            "cached_tokens": 0,
            "audio_tokens": 0
        },
        "completion_tokens_details": {
            "reasoning_tokens": 0,
            "audio_tokens": 0,
            "accepted_prediction_tokens": 0,
            "rejected_prediction_tokens": 0
        }
    },
    "system_fingerprint": "fp_2da73a467a"
}

Input：text、image

Output：text

Request

Request Code Samples

Responses

gpt-5-chat

Input：text、image#

Output：text#

Request

Request Code Samples

Responses

Input：text、image

Output：text