Devstral 2 – 123B-parameter open-source coding model

Summary: Devstral 2 is a 123 billion parameter open-source coding model achieving 72.2% on SWE-bench Verified. It integrates with Mistral Vibe CLI as a native assistant for software engineering tasks.

What it does

Devstral 2 processes coding tasks using a large-scale model, while Mistral Vibe CLI provides native assistance for software engineering workflows.

Who it's for

It targets software engineers needing automated coding support and task solutions.

Why it matters

It improves coding efficiency by offering a high-performing open-source model and integrated CLI assistance.