Devstral 2

Deprecated

mistral/devstral-2512

Our frontier code agents model for solving software engineering tasks; excels at using tools to explore codebases, editing multiple files and power software engineering agents.

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Context window: 256K
Input: Text
Output: Text
Released: 2025-12-09

Max output: 262K
Knowledge cutoff: 2025-12
Model parameters: 123B
Active parameters: 123B
Weights: Open
License: Modified MIT
Capabilities: Open weight, Temperature, Tool call

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Performance


Artificial Analysis Coding Index	General	Artificial Analysis	—
SciCode	Coding	SciCode	—
Terminal-Bench Hard	Coding	Artificial Analysis	—

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ModelRegistry · Catalog updated 2026-08-06