Gemini 3.1 Flash-Lite vs Kimi K2 (0905)
Google Gemini 3.1 Flash-Lite | Moonshot AI Kimi K2 (0905) | |
|---|---|---|
| Overview | ||
| Company | Moonshot AI | |
| Release date | Mar 3 2026 | Sep 5 2025 |
| Access | Proprietary | Open Weight |
| Specifications | ||
Parameters | — | 1T |
Context window | — | 256k |
| Benchmarks | ||
Nonsense detection BullshitBench v2Given a confidently-worded but nonsensical prompt, does the AI spot that it makes no sense and push back — instead of playing along and inventing an answer? The score is how often it clearly called out the nonsense. Higher is better. | 11% | — |
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 | Kimi K2 (0905) shipped 179 days before Gemini 3.1 Flash-Lite | |
Which is better: Gemini 3.1 Flash-Lite or Kimi K2 (0905)?
Gemini 3.1 Flash-Lite and Kimi K2 (0905) don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Kimi K2 (0905) shipped 179 days before Gemini 3.1 Flash-Lite, so benchmark comparisons should account for the intervening progress.
Gemini 3.1 Flash-Lite is proprietary, while Kimi K2 (0905) is open weight.
Direct benchmark comparisons are unavailable — Gemini 3.1 Flash-Lite and Kimi K2 (0905) don't publish scores on any of the same benchmarks.
Frequently asked questions
Gemini 3.1 Flash-Lite was released by Google on Mar 3 2026.
Kimi K2 (0905) was released by Moonshot AI on Sep 5 2025.
Gemini 3.1 Flash-Lite is a proprietary model released by Google. Kimi K2 (0905) is an open weight model released by Moonshot AI.
Other comparisons
Gemini 3.1 Flash-Lite vs Claude Sonnet 5Kimi K2 (0905) vs Claude Sonnet 5Gemini 3.1 Flash-Lite vs GPT-5.6 SolKimi K2 (0905) vs GPT-5.6 SolGemini 3.1 Flash-Lite vs Muse Spark 1.1Kimi K2 (0905) vs Muse Spark 1.1Gemini 3.1 Flash-Lite vs Grok 4.5Kimi K2 (0905) vs Grok 4.5Gemini 3.1 Flash-Lite vs DeepSeek-V4-ProKimi K2 (0905) vs DeepSeek-V4-ProGemini 3.1 Flash-Lite vs Mistral Medium 3.5Kimi K2 (0905) vs Mistral Medium 3.5