Mistral Releases Devstral 2 For Code Agents

Mistral today released Devstral 2 and Devstral Small 2, two models aimed at powering coding agents; Devstral 2 is a 123B model and Devstral Small 2 is a 24B model. Devstral 2 achieves 72.2% on SWE-bench Verified and claims up to 7× cost-efficiency versus Claude Sonnet but uses a restrictive modified‑MIT license capping use for organizations over $20 million monthly revenue, while Small 2 is Apache‑2 and available on Hugging Face.
Key Points
- 1Announces Devstral 2 (123B) and Devstral Small 2 (24B), showing 72.2% on SWE-bench.
- 2Highlights cost efficiency: Devstral 2 claims up to 7x lower real-world cost than Claude Sonnet.
- 3Warns licensing limits: Devstral 2 uses modified MIT restricting commercial use above $20M monthly revenue.
Scoring Rationale
Notable release with usable open small model and strong benchmarks; limited by Devstral 2's restrictive modified-MIT license.
Sources
Public references used for this report.
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