OpenAI API Compatibility

Request Address

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

Request Headers

The API supports the following two authentication methods. Please choose one and add it to the request headers:

Method 1: api-key field authentication, format:

api-key: $MIMO_API_KEY
Content-Type: application/json

Method 2: Authorization: Bearer authentication, format:

Authorization: Bearer $MIMO_API_KEY
Content-Type: application/json

Request body

Chat response object (non-streaming output)

Chat response chunk object (streaming output)

curl --location --request POST 'https://api.xiaomimimo.com/v1/chat/completions' \
--header "api-key: $MIMO_API_KEY" \
--header "Content-Type: application/json" \
--data-raw '{
    "model": "mimo-v2.5-pro",
    "messages": [
        {
            "role": "system",
            "content": "You are MiMo, an AI assistant developed by Xiaomi. Today is date: Tuesday, December 16, 2025. Your knowledge cutoff date is December 2024."
        },
        {
            "role": "user",
            "content": "please introduce yourself"
        }
    ],
    "max_completion_tokens": 1024,
    "temperature": 1.0,
    "top_p": 0.95,
    "stream": false,
    "stop": null,
    "frequency_penalty": 0,
    "presence_penalty": 0,
    "thinking": {
        "type": "disabled"
    }
}'

response

{
    "id": "8b51f9e0515949cb8207fbd35ea6ea5c",
    "choices": [
        {
            "finish_reason": "stop",
            "index": 0,
            "message": {
                "content": "Hello! I'm MiMo, Xiaomi's AI assistant created by the Xiaomi LLM-Core team. I'm here to chat, help answer questions, and assist with various tasks—whether it's providing information, brainstorming ideas, or just having a friendly conversation. Feel free to ask me anything, and I'll do my best to help! 😊",
                "role": "assistant",
                "tool_calls": null
            }
        }
    ],
    "created": 1776848906,
    "model": "mimo-v2.5-pro",
    "object": "chat.completion",
    "usage": {
        "completion_tokens": 72,
        "prompt_tokens": 57,
        "total_tokens": 129,
        "completion_tokens_details": {
            "reasoning_tokens": 0
        },
        "prompt_tokens_details": null
    }
}

Update Time June 03, 2026

curl --location --request POST 'https://api.xiaomimimo.com/v1/chat/completions' \
--header "api-key: $MIMO_API_KEY" \
--header "Content-Type: application/json" \
--data-raw '{
    "model": "mimo-v2.5-pro",
    "messages": [
        {
            "role": "system",
            "content": "You are MiMo, an AI assistant developed by Xiaomi. Today is date: Tuesday, December 16, 2025. Your knowledge cutoff date is December 2024."
        },
        {
            "role": "user",
            "content": "please introduce yourself"
        }
    ],
    "max_completion_tokens": 1024,
    "temperature": 1.0,
    "top_p": 0.95,
    "stream": false,
    "stop": null,
    "frequency_penalty": 0,
    "presence_penalty": 0,
    "thinking": {
        "type": "disabled"
    }
}'

response

{
    "id": "8b51f9e0515949cb8207fbd35ea6ea5c",
    "choices": [
        {
            "finish_reason": "stop",
            "index": 0,
            "message": {
                "content": "Hello! I'm MiMo, Xiaomi's AI assistant created by the Xiaomi LLM-Core team. I'm here to chat, help answer questions, and assist with various tasks—whether it's providing information, brainstorming ideas, or just having a friendly conversation. Feel free to ask me anything, and I'll do my best to help! 😊",
                "role": "assistant",
                "tool_calls": null
            }
        }
    ],
    "created": 1776848906,
    "model": "mimo-v2.5-pro",
    "object": "chat.completion",
    "usage": {
        "completion_tokens": 72,
        "prompt_tokens": 57,
        "total_tokens": 129,
        "completion_tokens_details": {
            "reasoning_tokens": 0
        },
        "prompt_tokens_details": null
    }
}