tech

Introducing: Devstral 2 and Mistral Vibe CLI.

Today, we're releasing Devstral 2—our next-generation coding model family available in two sizes: Devstral 2 (123B) and Devstral Small 2 (24B). Devstral 2 ships under a modified MIT license, while Devstral Small 2 uses Apache 2.0. Both are open-source and permissively licensed to accelerate distributed intelligence.

Introducing: Devstral 2 and Mistral Vibe CLI.

TL;DR

  • Devstral 2 (123B) and Devstral Small 2 (24B) are new open-source coding models released by Mistral AI.
  • Devstral 2 achieves 72.2% on SWE-bench Verified, positioning it as a leading open-weight model.
  • Mistral Vibe CLI is a new open-source command-line tool for code automation powered by Devstral.
  • Both models are designed for cost-efficiency and performance, with Devstral Small 2 capable of running on consumer hardware.
  • Devstral 2 supports large context windows (256K) and is suitable for production-grade workflows, including bug fixing and system modernization.
  • Devstral 2 is available via API, with future pricing details provided.
  • Mistral Vibe CLI integrates with IDEs and offers features like project-aware context, smart references, and multi-file orchestration.