Devstral is MistralAI's latest coding model. It excels at using tools to explore codebases and editing multiple files to power software engineering agents.
The model achieves a score of 53.6% on SWE-Bench Verified, outperforming Devstral Small 2505 by +5.6% and the second best state of the art model by +10.2%.
Despite its compact size of just 24 billion parameters, Devstral outperforms much larger models in agentic coding tasks.