Devstral

lastmod 2025-12-10created 2025-12-102 edits

Mistral's open-source coding model

Devstral 2 overview

• Devstral 2 is a 123B-parameter dense transformer model with a 256K context window
  • Scores 72.2% on SWE-bench Verified, placing it near the top among open-weight models
  • Released under a modified MIT license, setting a new standard for open-source code agents
• Devstral Small 2 scores 68.0% on SWE-bench Verified, staying on par with models up to 5x larger
  • Can run locally on consumer hardware, offering fast inference and a personalized feedback loop
  • Supports image input and can power multimodal agents
• Devstral 2 (123B) and Small 2 (24B) are 5x and 28x smaller than DeepSeek V3.2, and 8x and 41x smaller than Kimi K2, respectively
  • The compact model architecture makes deployment easy even on limited hardware

See also

• Mistral AI
• Vibe CLI
• Devstral

Favorite site

• Mistral releases open-source coding model Devstral 2 and Vibe CLI | GeekNews