AI BriefingDevstral 2 and Mistral Vibe CLI Unveiled
Key point
Mistral AI has unveiled its next-generation coding model Devstral 2 and Mistral Vibe CLI, a code automation tool.
Details
Mistral AI has released its next-generation coding model lineup, Devstral 2 (123B) and Devstral Small 2 (24B). Devstral 2 is provided as open source under a modified MIT license, while Devstral Small 2 uses the Apache 2.0 license.
Devstral 2 demonstrated strong performance, scoring 72.2% on SWE-bench Verified. This shows performance on par with or exceeding DeepSeek V3.2 or Kimi K2 while using far fewer parameters, and it boasts up to 7x cost efficiency compared to Claude Sonnet in real-world tasks.
Also released alongside it, Mistral Vibe CLI is a terminal-based open source agent that supports end-to-end code automation. This tool is designed to autonomously perform complex software engineering tasks such as codebase exploration, coordinating multi-file changes, bug fixes, and legacy system modernization.
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