Mistral AI•Code & Software AgentsOpen Weights

Codestral 2501

Fill-in-the-middle code model with 256k context tailored for latency-sensitive developer tools.

Technical Specification Matrix

Parameters22 Billion Dense
Context Window256,000 tokens
Access ModelOpen Weights
LicenseMistral Non-Production License / Commercial API
Release DateJanuary 2025
Author LabMistral AI

Architecture & Engineering Overview

Underlying Neural Architecture

22B Dense Transformer with FIM objective

Editorial Analysis

Codestral is specifically tuned for fill-in-the-middle (FIM) code completion, test generation, and documentation. Its expanded 256k context allows it to ingest broad codebase contexts inside VS Code and JetBrains IDE extensions.

Verified Core Competencies

Fill-In-The-Middle (FIM)
256k Context Window
Sub-100ms Token Generation
IDE Integration

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