Devstral 2
Mistral AI · 2025-12-09 · 125B parameters
Devstral 2 is Mistral AI's dense, text-only, 123B-class open-weight agentic coding model, released as the larger member of the Devstral 2 family alongside Devstral Small 2. Its instruction-tuned FP8 checkpoint supports 262,144 tokens through YaRN extrapolation from an original 4,096-position setting and is designed for tool-driven codebase exploration, multi-file editing, and software-engineering agents.