0 vs 1 benchmarks won
Cursor Composer 1.5 | Mistral Mistral Medium 3.5 | |
|---|---|---|
| Overview | ||
| Company | Cursor | Mistral |
| Release date | Feb 8 2026 | Apr 29 2026 |
| Model type | — | — |
| Open source | No | 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 | Composer 1.5 shipped 80 days before Mistral Medium 3.5 | |
Mistral Medium 3.5 leads Composer 1.5 on 1 of the tracked benchmarks (GPQA Diamond, SWE-Bench Verified, MMMU). Composer 1.5 shipped 80 days before Mistral Medium 3.5, so benchmark comparisons should account for the intervening progress.
Mistral Medium 3.5 is an open-source / open-weight model; Composer 1.5 is proprietary.
Direct benchmark comparisons are unavailable — at least one of these models has not published scores on GPQA Diamond, SWE-Bench Verified, or MMMU.