Gemini 3.1 Flash vs Kimi K2 Thinking
Google Gemini 3.1 Flash | Moonshot AI Kimi K2 Thinking | |
|---|---|---|
| Overview | ||
| Company | Moonshot AI | |
| Release date | Feb 26 2026 | Nov 6 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. | — | 71.3% |
| Timeline | ||
| Release gap | Kimi K2 Thinking shipped 112 days before Gemini 3.1 Flash | |
Which is better: Gemini 3.1 Flash or Kimi K2 Thinking?
Gemini 3.1 Flash and Kimi K2 Thinking don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Kimi K2 Thinking shipped 112 days before Gemini 3.1 Flash, so benchmark comparisons should account for the intervening progress.
Gemini 3.1 Flash is proprietary, while Kimi K2 Thinking is open weight.
Direct benchmark comparisons are unavailable — Gemini 3.1 Flash and Kimi K2 Thinking don't publish scores on any of the same benchmarks.
Frequently asked questions
Gemini 3.1 Flash was released by Google on Feb 26 2026.
Kimi K2 Thinking was released by Moonshot AI on Nov 6 2025.
Gemini 3.1 Flash is a proprietary model released by Google. Kimi K2 Thinking is an open weight model released by Moonshot AI.
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