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Devstral Small 2 icon
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December 9, 2025Blog
v25.12

Devstral Small 2

Our open source model that excels at using tools to explore codebases, editing multiple files and power software engineering agents.

Modalities
Context
256k
Deprecation date2/27/2026
ReplacementDevstral 2

Features

Chat Completions
Function Calling
Agents & Conversations
Built-In Tools
Structured Outputs
Predicted Outputs
Prefix
OCR
Annotations - Structured
BBox Extraction
Document QnA
FIM
Embeddings
Moderations
Chat Moderations
Transcriptions
Text to Speech
Timestamps
Batching
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