Mistral Small 4

MistralMCP Tool CallReasoning
mistral/mistral-small-2603Open Weights

Fast Mistral production model for chat, extraction, and cost-sensitive agents

Benchmark Pricing$0.15 / 1M in$0.60 / 1M out$0.01 cache read
Context: 256,000 tokens•Max Output: 256,000 tokens•Knowledge: 2025-06•Released: 2026-03-16

TECHNICAL SPECIFICATIONS

Context Window256,000256K tokens
Max Output256,000256K tokens
LicenseOpen SourceSelf-hostable
Input Modalities
TextVision
Function / Tool CallingSupported (MCP Ready)
Structured OutputsGuaranteed Schema

MODEL CONTEXT PROTOCOL (MCP) READINESS

✓ Mistral Small 4 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 256,000 tokens, this model can handle moderately large MCP tool definitions and multi-turn conversation logs comfortably.

STANDARDIZED BENCHMARKS & EVALS

Artificial Analysis Coding Indexindex
24.3
SciCodepercent correct
38
Terminal-Bench Hardsuccess rate
17.4

API CALL INVOCATION EXAMPLE

// Example: Calling Mistral Small 4 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/mistral-small-2603",
  messages: [{ role: "user", content: "Hello! Can you inspect MCP tools?" }],
});

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

PRICING BY PROVIDER

15 providers
Mistralmistral-small-2603
$0.15 / $0.60$0.01 cache
Cortecsmistral-small-2603
$0.16 / $0.63$0.02 cache
LLM Gatewaymistral/mistral-small-2603
$0.15 / $0.60
Tempr Gatewaymistral/mistral-small-2603
$0.15 / $0.60$0.01 cache
AI/ML APImistralai/mistral-small-2603
$0.26 / $1.03$0.02 cache
Eden AImistral/mistral-small-2603
$0.15 / $0.60$0.01 cache
Prime Inferencemistralai/mistral-small-2603
$0.17 / $0.66
LowRouterauto/mistralai/mistral-small-2603
$0.16 / $0.63$0.02 cache
Kilo Gatewaymistralai/mistral-small-2603
$0.15 / $0.60$0.01 cache
DevPass (LLM Gateway)mistral-small-2603
$0.15 / $0.60
Pioneermistralai/Mistral-Small-4-119B-2603
$0.15 / $0.60$0.01 cache
Oppermistral-small-2603
$0.58 / $2.44
Infomaniakmistralai/Mistral-Small-4-119B-2603
$0.25 / $0.93
Requestymistral-small-2603@eu
$0.17 / $0.66$0.17 cache
AKI.IOmistral4-119b
$0.22 / $0.67

Rates in USD per 1M tokens. Rates synchronized from models.dev public catalog.

Prompt Caching Active

This model supports prompt caching at $0.01 / 1M tokens, saving up to 90% on repetitive MCP tool definitions and system instructions.