Language model

Devstral Small 2

Mistral AI

Released: December 9, 2025
Data date: September 26, 2026

What is distinctive about Devstral Small 2 is a 24B coding agent with text and image input. It handles 256,000 tokens of context, reads codebases, calls tools, and plans multi-step changes. The release uses Apache 2.0.

Compared with Devstral 2, Small 2 adds screenshots or documentation as image input.

Specifications and access

Specification	Value and source
Weights	Open weightsSource
Access	APISource
Parameters	24 billionSource
Context window	262,144 tokensSource
Maximum output	262,144 tokensSource
Knowledge Cutoff	December 2025Source
License	Apache 2.0Source
Inputs	Text, ImageSource
Outputs	TextSource
Tool calling	YesSource

Sources and data date

Type	Evidence and data date
Additional source	models.dev catalog (retrieved September 26, 2026)
Additional source	Hugging Face · Devstral Small 2 model card · Editorial description reviewed October 2, 2026
Additional source	Devstral 2 and Vibe CLI announcement · Editorial description reviewed October 2, 2026
Additional source	Mistral model overview · Editorial description reviewed October 2, 2026
Additional source	OpenRouter: Popularity index (derived), CC BY 4.0
Additional source	Vercel AI Gateway: Popularity index (derived), CC BY 4.0
Additional source	Creative Commons Attribution 4.0

Specifications and access

Popularity

Sources and data date