Devstral Small
Notable release: A meaningful new model: a new size or version, or a strong free-to-download model from a known lab.Open model: Its files are public (open weights), so anyone can download it and run it on their own computer, usually for free.
Key facts
- Released
- May 21, 2025
- What it does
- Text and chat: Writes, answers questions and holds a conversation.Code: Writes, explains and fixes code.
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- How
- Free to download
- Size
- Parameters: The numbers a model learns during training: a rough measure of its size. Bigger usually means more capable, but slower and pricier to run. 7B means 7 billion.
- Announced as
- “Introducing the best open-source model for coding agents.”
From trckr's archive of releases before it started watching. Date and details from Epoch AI's database of AI models (CC BY 4.0).
Compare Devstral Small with
It came out 14 days after Mistral Medium 3, the lab's previous model.
The details
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