Upgrading agentic coding capabilities with the new Devstral models

Mistral AI · 1 year ago

Mistral AI and All Hands AI released Devstral Medium and upgraded Devstral Small 1.1, two coding models designed for agentic software development tasks. Devstral Small 1.1 scores 53.6% on SWE-Bench Verified while Devstral Medium achieves 61.6%, with the latter priced at $0.4 per million input tokens and $2 per million output tokens. Devstral Small 1.1 is open-sourced under Apache 2.0, while Devstral Medium is available through Mistral's API and supports on-premise deployment and custom finetuning for enterprise use.