May 28th update to the [original DeepSeek R1](/deepseek/deepseek-r1) Performance on par with [OpenAI o1](/openai/o1), but open-sourced and with fully open reasoning tokens. It's 671B parameters in size, with 37B active in an inference pass.…
Model details →DeepSeek: R1 0528 vs Mistral: Devstral Medium
DeepSeek: R1 0528 and Mistral: Devstral Medium are evenly matched on 6 axes — pick the one whose provider, latency, or licensing fits your stack.
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 Ge…
Model details →Side-by-side comparison
| Capability | DeepSeek: R1 0528 | Mistral: Devstral Medium | Winner |
|---|---|---|---|
| Context window Maximum number of input tokens the model can attend to in a single request. | 164K | 131K | 🏆 DeepSeek: R1 0528 |
| Input price (per 1M) Cost per million input tokens billed by the provider. | $0.45 | $0.40 | 🏆 Mistral: Devstral Medium |
| Output price (per 1M) Cost per million output tokens billed by the provider. | $2.15 | $2.00 | 🏆 Mistral: Devstral Medium |
| Tool / function calling First-class support for emitting structured tool calls. | Yes | Yes | Tie |
| Vision input Accepts image inputs alongside text. | — | — | Tie |
| Reasoning mode Internal chain-of-thought / extended-thinking support. | Yes | — | 🏆 DeepSeek: R1 0528 |
Frequently asked questions
Is DeepSeek: R1 0528 better than Mistral: Devstral Medium?
DeepSeek: R1 0528 and Mistral: Devstral Medium are evenly matched on 6 axes — pick the one whose provider, latency, or licensing fits your stack.
What's the price difference between DeepSeek: R1 0528 and Mistral: Devstral Medium?
Input: $0.45 vs $0.40 per 1M tokens. Output: $2.15 vs $2.00 per 1M tokens.
What context windows do DeepSeek: R1 0528 and Mistral: Devstral Medium support?
DeepSeek: R1 0528 supports up to 164K tokens. Mistral: Devstral Medium supports up to 131K tokens.
Do both DeepSeek: R1 0528 and Mistral: Devstral Medium support tool calling?
DeepSeek: R1 0528: yes. Mistral: Devstral Medium: yes.