0 vs 1 benchmarks won
DeepSeek DeepSeek Chat (R1-based) | Mistral Mistral Medium 3.5 | |
|---|---|---|
| Overview | ||
| Company | DeepSeek | Mistral |
| Release date | Jan 20 2025 | Apr 29 2026 |
| Model type | — | — |
| Open source | Yes | Yes |
| Specifications | ||
Parameters | — | 128B |
Context window | — | 256k |
| Benchmarks | ||
Science reasoning GPQA Diamond | — | — |
Software engineering SWE-Bench Verified | — | 77.6% |
Multimodal understanding MMMU | — | — |
| Timeline | ||
| Release gap | DeepSeek Chat (R1-based) shipped 464 days before Mistral Medium 3.5 | |
Mistral Medium 3.5 leads DeepSeek Chat (R1-based) on 1 of the tracked benchmarks (GPQA Diamond, SWE-Bench Verified, MMMU). DeepSeek Chat (R1-based) shipped 464 days before Mistral Medium 3.5, so benchmark comparisons should account for the intervening progress.
Published specifications for these two models are limited — see each model page for the latest details.
Direct benchmark comparisons are unavailable — at least one of these models has not published scores on GPQA Diamond, SWE-Bench Verified, or MMMU.