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Mistral Released July 10, 2025 Synced Apr 7, 2026

Mistral: Devstral Medium

Devstral Medium is a high-performance code generation and agentic reasoning model developed jointly by Mistral AI and All Hands AI. Positioned as a step up from Devstral Small, it achieves...

Tool use

Why it stands out

131K-token context window handles longer documents and multi-turn conversations without truncation.
Tool use support makes it viable for function-calling and agentic pipelines.
$0.4/M input makes it practical for always-on agents, batch processing, or high-volume classification.

What to watch

Text-only input — image or audio workflows require a separate model in the pipeline.
No benchmark score currently tracked — evaluate using task-specific testing alongside pricing and capability data.

Release timeline

Tracked events for Mistral: Devstral Medium.

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release

Mistral: Devstral Medium entered the tracked catalog

July 10, 2025

Devstral Medium is a high-performance code generation and agentic reasoning model developed jointly by Mistral AI and All Hands AI. Positioned as a step up from Devstral Small, it achieves 61.6% on SWE-Bench Verified, placing it ahead of Gemini 2.5 Pro and GPT-4.1 in code-related tasks, at a fraction of the cost. It is designed for generalization across prompt styles and tool use in code agents and frameworks. Devstral Medium is available via API only (not open-weight), and supports enterprise deployment on private infrastructure, with optional fine-tuning capabilities.

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Recent changes

LaunchJul 10

Mistral launched Mistral: Devstral Medium

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