Mistral AI launches Devstral, powerful new open source SWE agent model that runs on laptops
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Summary
French AI start-up Mistral has teamed up with open-source start-up All Hands AI to create Devstral, a small, open-source, licenced 24-million parameter language model for software engineering.
While it lacks the capabilities of larger models, such as GPT-4, it has been trained to be an engineering agent, understanding contextual clues across files, navigating large codebases, and solving problems.
It achieves a score of 46.8% on the SWE-Bench Verified benchmark, ahead of all other open-source models, and surpasses GPT-4-mini by 20%.
As it is only 24 billion parameters it can be run on a laptop and open-source platforms including Hugging Face, Ollama, Kaggle, LM Studio and Unsloth.
It is available through an API or locally and has been specifically adapted for use with All Hands AI’s OpenDevin scaffolding for code-focused agents.