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Mistral Small 4

by Mistral

Mistral Small 4 is the next major release in the Mistral Small family, unifying the capabilities of several flagship Mistral models into a single system. It combines strong reasoni

MS

Models

Mistral Small 4

Added 10 July 2026

#mistralai

Overview

Mistral Small 4 is the next major release in the Mistral Small family, unifying the capabilities of several flagship Mistral models into a single system. It combines strong reasoning from...

How to use / API access

Call via OpenRouter with model id `mistralai/mistral-small-2603`.

  • openrouter · mistralai/mistral-small-2603 Docs

OpenRouter id: mistralai/mistral-small-2603

Benchmarks

  • Intelligence Index (artificial-analysis) : 19.6 index
  • Coding Index (artificial-analysis) : 26.6 index
  • Agentic Index (artificial-analysis) : 4.7 index

Notes

Mistral Small 4 is listed in the EDNA Models directory from the OpenRouter catalogue.