Mistral Small 3.1 vs Kimi K2 Thinking
Mistral Mistral Small 3.1 | Moonshot AI Kimi K2 Thinking | |
|---|---|---|
| Overview | ||
| Company | Mistral | Moonshot AI |
| Release date | Mar 17 2025 | Nov 6 2025 |
| Access | Open Weight | 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. | — | 71.3% |
| Timeline | ||
| Release gap | Mistral Small 3.1 shipped 234 days before Kimi K2 Thinking | |
Which is better: Mistral Small 3.1 or Kimi K2 Thinking?
Mistral Small 3.1 and Kimi K2 Thinking don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Mistral Small 3.1 shipped 234 days before Kimi K2 Thinking, 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 — Mistral Small 3.1 and Kimi K2 Thinking don't publish scores on any of the same benchmarks.
Frequently asked questions
Mistral Small 3.1 was released by Mistral on Mar 17 2025.
Kimi K2 Thinking was released by Moonshot AI on Nov 6 2025.
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