Devstral Medium
by Mistral
Devstral Medium is a high-performance code generation and agentic reasoning model developed jointly by Mistral AI and All Hands AI. Positioned as a step up from Devstral Small, it achieves 61.6% on SWE-Bench Verified, placing it ahead of Gemini 2.5 Pro and GPT-4.1 in code-related tasks, at a fraction of the cost. It is designed for generalization across prompt styles and tool use in code agents and frameworks. Devstral Medium is available via API only (not open-weight), and supports enterprise deployment on private infrastructure, with optional fine-tuning capabilities.
Specifications
Technical details and pricing.
Benchmarks
12 benchmark scores from Artificial Analysis.
Composite Indices
Intelligence, Coding, Math
Standard Benchmarks
Academic and industry benchmarks
Frequently Asked Questions
What is Devstral Medium good for?
Use Devstral Medium for everyday tasks like writing, summarizing, brainstorming, and getting clear explanations.
How much does Devstral Medium cost?
Pricing is based on usage. Current rates are $0.40/1M tokens for input and $2.00/1M tokens for output.
Can I try Devstral Medium for free?
Yes. You can start a chat instantly and test the model before deciding on a plan.
Does Devstral Medium support images or audio?
Devstral Medium focuses on text-based tasks.
Similar Models
Other models you might want to explore.
Benchmarks and pricing are sourced from Artificial Analysis where available. OpenRouter specs are used as a fallback.