Mistral AI

Devstral Small 2

DeprecatedOpen weights256K context

Summary

Devstral Small 2 is an open-weight language model from Mistral AI, released on 9 Dec 2025. It accepts text and images and generates text, with a 256K-token context window and up to 256K output tokens per response. Mistral AI has deprecated this model.

Legacy model retained for compatibility with older integrations

Last verified 4 Oct 2026. Every figure on this page links to its source.

Specifications

DeveloperMistral AI
Release date9 Dec 2025 [models.dev]
StatusDeprecated [models.dev]
WeightsOpen weights [models.dev]
Context window256K (256,000 tokens) [models.dev]
Max output256K tokens [models.dev]
Knowledge cutoffDec 2025 [models.dev]
InputText and images [models.dev]
OutputText [models.dev]
Reasoning modeNo [models.dev]
Tool callingYes [models.dev]

Devstral Small 2 API pricing by provider

USD per million tokens. Sorted by input price.

We do not currently track a paid API listing for this model.

Frequently asked questions

What is the context window of Devstral Small 2?

Devstral Small 2 has a context window of 256,000 tokens (256K) and can generate up to 256,000 tokens in a single response, according to models.dev.

Is Devstral Small 2 open source?

Devstral Small 2 is an open-weight model. Check the license terms before commercial use.

When was Devstral Small 2 released?

Mistral AI released Devstral Small 2 on 9 Dec 2025, according to models.dev.

Change history

No changes detected since we started tracking this model. We re-check every source daily.

Sources