Mistral Mistral Medium 3.5 | Moonshot AI Kimi K2.7 Code | |
|---|---|---|
| Overview | ||
| Company | Mistral | Moonshot AI |
| Release date | Apr 29 2026 | Jun 12 2026 |
| Model type | — | — |
| Open source | Yes | Yes |
| Specifications | ||
Parameters | 128B | 1T |
Context window | 256k | 256k |
| Benchmarks | ||
Coding SWE-Bench VerifiedReal coding tasks pulled from open-source projects — the AI has to find and fix actual bugs. A human-checked version of the original SWE-Bench. Higher is better. | 77.6% | — |
| Timeline | ||
| Release gap | Mistral Medium 3.5 shipped 44 days before Kimi K2.7 Code | |
Mistral Medium 3.5 and Kimi K2.7 Code don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Mistral Medium 3.5 shipped 44 days before Kimi K2.7 Code, so benchmark comparisons should account for the intervening progress.
Mistral Medium 3.5 has 128B parameters, while Kimi K2.7 Code has 1T. Context windows are 256k (Mistral Medium 3.5) vs 256k (Kimi K2.7 Code).
Direct benchmark comparisons are unavailable — Mistral Medium 3.5 and Kimi K2.7 Code don't publish scores on any of the same benchmarks.