What is the context length of Devstral Medium?

Devstral Medium has a 131,072 token context window.

What inputs and outputs does Devstral Medium support?

Devstral Medium accepts text and files such as PDFs as input and returns text.

What other text models does Mistral have?

Mistral Large 4, Mistral Medium 3.5, Mistral Small 4 and 17 more are other text models from Mistral.

When was Devstral Medium released?

Devstral Medium was released on July 10, 2025. Its knowledge cutoff is June 30, 2025.

Mistral: Devstral Medium

mistralai/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 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.

Modalities

Context

131K

Released

Jul 10, 2025

Knowledge cutoff

Jun 2025

Not currently available through EU in-region routing. In-region routing docs

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Mistral: Devstral Medium

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Mistral: Devstral Medium

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Frequently asked questions

What is Devstral Medium?

What is the context length of Devstral Medium?

What inputs and outputs does Devstral Medium support?

What other text models does Mistral have?

When was Devstral Medium released?

Explore more models

More models from Mistral

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