Mistral AI launches Devstral, powerful new open source SWE agent model that runs on laptops

venturebeat.comPublished: 5/21/2025

Summary

Mistral AI is back with a new open-source language model called Devstral, which aims to revolutionize software engineering by addressing previous backlash over abandoning its open-source roots. This 24-billion-parameter model, designed for tasks like code completion and file navigation, is available under the Apache 2.0 license, making it versatile for both open-source projects and enterprises. Tested across diverse repositories, Devstral outperforms larger models by over 20 percentage points on SWE-Bench Verified benchmarks and seamlessly integrates with major platforms, supporting privacy-sensitive and edge computing applications effectively.