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Mistral: Devstral 2 2512

mistralai/devstral-2512:free

Model weights

Devstral 2 is a state-of-the-art open-source model by Mistral AI specializing in agentic coding. It is a 123B-parameter dense transformer model supporting a 256K context window.

Devstral 2 supports exploring codebases and orchestrating changes across multiple files while maintaining architecture-level context. It tracks framework dependencies, detects failures, and retries with corrections—solving challenges like bug fixing and modernizing legacy systems. The model can be fine-tuned to prioritize specific languages or optimize for large enterprise codebases. It is available under a modified MIT license.

Modalities

Price

Free

Context

262K

Released

Dec 9, 2025

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Frequently asked questions

Devstral 2 is a state-of-the-art open-source model by Mistral AI specializing in agentic coding. It is a 123B-parameter dense transformer model supporting a 256K context window. Devstral 2 supports exploring codebases and orchestrating changes across multiple files while maintaining architecture-level context.

Yes. The pricing shown on this page for Devstral 2 2512 is zero, so you are not charged for prompt or completion tokens. Free endpoints are rate limited — see the rate limit docs.

Devstral 2 2512 has a 262,144 token context window.

Devstral 2 2512 accepts text and files such as PDFs as input and returns text.

Mistral Medium 3.5, Mistral Small 4, Ministral 3 14B 2512 and 15 more are other text models from Mistral AI.

Devstral 2 2512 was released on December 9, 2025.