Mistral AI Model Configuration Guide

Mistral AI Introduction

Mistral AI is a French AI company offering high-performance, competitively priced large language models. Their API is OpenAI-compatible, making integration with OpenClaw straightforward.

Get an API Key

Visit console.mistral.ai and register
Go to the API Keys page
Click "Create new key"

Basic Configuration

{
  "providers": {
    "mistral": {
      "type": "openai",
      "baseUrl": "https://api.mistral.ai/v1",
      "apiKey": "{{MISTRAL_API_KEY}}",
      "models": ["mistral-large-latest", "mistral-medium-latest", "mistral-small-latest", "open-mistral-nemo"]
    }
  }
}

openclaw secrets set MISTRAL_API_KEY "your-mistral-api-key"

Model Selection Guide

Model	Features	Use Case	Price
mistral-large-latest	Strongest performance	Complex reasoning, long text	Higher
mistral-medium-latest	Balanced	General conversation	Medium
mistral-small-latest	Fast response	Simple Q&A	Lower
open-mistral-nemo	Open source	Basic conversation	Lowest
codestral-latest	Code-focused	Programming assistance	Medium

Using Codestral for Code Generation

Codestral supports 80+ programming languages:

{
  "models": {
    "mistral-code": {
      "provider": "mistral",
      "model": "codestral-latest",
      "temperature": 0.2,
      "maxTokens": 8192
    }
  }
}

JSON Mode and Function Calling

Mistral supports JSON output mode and function calling, both compatible with OpenClaw's tool system:

{
  "models": {
    "mistral-tools": {
      "provider": "mistral",
      "model": "mistral-large-latest",
      "supportsFunctionCalling": true
    }
  }
}

Connection Verification

openclaw doctor --provider mistral

Summary

Mistral AI offers excellent value models, with Codestral particularly excelling in code scenarios. By combining different model tiers, you can achieve the optimal balance of performance and cost in OpenClaw.