Devstral Small 2

MistralMCP Tool Call

mistral/devstral-small-2Open Weights

Compact multimodal coding model for repository exploration, file editing, and software agents

Benchmark Pricing$0.06 / 1M in$0.06 / 1M out$0.03 cache read

Context: 262,144 tokens•Max Output: 262,144 tokens•Knowledge: 2025-12•Released: 2025-12-09

TECHNICAL SPECIFICATIONS

Context Window262,144262.1K tokens

Max Output262,144262.1K tokens

LicenseApache-2.0Self-hostable

Input Modalities

TextVision

Function / Tool CallingSupported (MCP Ready)

Structured OutputsGuaranteed Schema

MODEL CONTEXT PROTOCOL (MCP) READINESS

✓ Devstral Small 2 natively supports OpenAI / Anthropic format tool calling and is fully compatible with MCP servers and agent loops.

MCP Context Window Recommendations

With a context capacity of 262,144 tokens, this model can handle moderately large MCP tool definitions and multi-turn conversation logs comfortably.

API CALL INVOCATION EXAMPLE

// Example: Calling Devstral Small 2 via OpenAI SDK
import OpenAI from "openai";

const client = new OpenAI({
  apiKey: process.env.MISTRAL_API_KEY,
});

const response = await client.chat.completions.create({
  model: "mistral/devstral-small-2",
  messages: [{ role: "user", content: "Hello! Can you inspect MCP tools?" }],
});

console.log(response.choices[0].message.content);