Magistral Small vs Kimi K2 (0905)
Mistral Magistral Small | Moonshot AI Kimi K2 (0905) | |
|---|---|---|
| Overview | ||
| Company | Mistral | Moonshot AI |
| Release date | Jun 10 2025 | Sep 5 2025 |
| Access | Proprietary | Open Weight |
| Specifications | ||
Parameters | — | 1T |
Context window | — | 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. | — | 65.8% |
Science GPQA DiamondGraduate-level science questions in biology, physics, and chemistry — hard enough that subject-matter PhDs score around 65%. Higher is better. | — | 75.1% |
| Timeline | ||
| Release gap | Magistral Small shipped 87 days before Kimi K2 (0905) | |
Which is better: Magistral Small or Kimi K2 (0905)?
Magistral Small and Kimi K2 (0905) don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Magistral Small shipped 87 days before Kimi K2 (0905), so benchmark comparisons should account for the intervening progress.
Magistral Small is proprietary, while Kimi K2 (0905) is open weight.
Direct benchmark comparisons are unavailable — Magistral Small and Kimi K2 (0905) don't publish scores on any of the same benchmarks.
Frequently asked questions
Magistral Small was released by Mistral on Jun 10 2025.
Kimi K2 (0905) was released by Moonshot AI on Sep 5 2025.
Magistral Small is a proprietary model released by Mistral. Kimi K2 (0905) is an open weight model released by Moonshot AI.
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