Devstral Medium
2025-07-10 · Publisher : Mistral AI · Domain : Artificial Intelligence
Mistral AI launches Devstral Medium, an agentic coding model available through the API and in private deployment, at 61.6% on SWE-Bench Verified, presented as superior to Gemini 2.5 Pro and GPT-4.1 for a quarter of the price.
What changes
- Devstral Medium, the enterprise version of the Devstral family, developed with All Hands AI.
- 61.6% on SWE-Bench Verified according to the vendor; claims a better cost/performance ratio than Gemini 2.5 Pro and GPT-4.1.
- Deployment possible on private infrastructure and custom fine-tuning.
- Later available in Mistral Code for enterprise customers and in the fine-tuning API.
### Specifications - Context: 128k (documentation); text only. - License: proprietary (Premier model), weights not published. - Availability: public API; private deployment on request. - API identifier: `devstral-medium-2507` (deprecated on February 27, 2026 according to the documentation). ### Pricing | Model | Input (USD / M tokens) | Output (USD / M tokens) | |---|---|---| | Devstral Medium | 0.4 | 2 | Same price as Mistral Medium 3. ### Benchmarks Score published by the vendor: 61.6% on SWE-Bench Verified (OpenHands scaffold). ### Key takeaways A managed or on-premises coding agent model, for teams that want more performance than the open Devstral Small version.
Links
Tags : LLM, Mistral, Devstral, Code, Agents