Devstral medium
About this model
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.
Performance Tier
Devstral medium is a specialized model from Mistral : built for a specific domain.
Domain-specific model. Optimized for a particular task such as code generation, image creation, or web search.
Pricing
This model is included in Elosia plans| Type | per 1M tokens |
|---|---|
| Input (prompt) | $0.400 |
| Output (completion) | $2.00 |
| Cache read | $0.040 |
Capabilities
Benchmarks
Recommended Use Cases
Strengths
- Agentic coding model designed for software development workflows
- Good code understanding and refactoring capabilities
- Open-weight for self-hosting and customization
Limitations
- Lower SWE-bench scores than top coding models
- Limited to developer-focused use cases
Resources
This model may use your data for training
