Gemini 2.0 Flash vs Kimi K2
Google Gemini 2.0 Flash | Moonshot AI Kimi K2 | |
|---|---|---|
| Overview | ||
| Company | Moonshot AI | |
| Release date | Jan 30 2025 | Jul 11 2025 |
| Access | Proprietary | Open Weight |
| Specifications | ||
Parameters | — | 1T |
Context window | — | 128k |
| 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. | 15%Best | 10% |
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 | Gemini 2.0 Flash shipped 162 days before Kimi K2 | |
Which is better: Gemini 2.0 Flash or Kimi K2?
Gemini 2.0 Flash leads Kimi K2 on 1 of the 1 benchmark they both report (BullshitBench v2). Gemini 2.0 Flash shipped 162 days before Kimi K2, so benchmark comparisons should account for the intervening progress.
Gemini 2.0 Flash is proprietary, while Kimi K2 is open weight.
On BullshitBench v2, Gemini 2.0 Flash leads at 15% vs Kimi K2 at 10%.
Frequently asked questions
Gemini 2.0 Flash was released by Google on Jan 30 2025.
Kimi K2 was released by Moonshot AI on Jul 11 2025.
Gemini 2.0 Flash is a proprietary model released by Google. Kimi K2 is an open weight model released by Moonshot AI.
Other comparisons
Gemini 2.0 Flash vs Claude Sonnet 5Kimi K2 vs Claude Sonnet 5Gemini 2.0 Flash vs GPT-5.6 SolKimi K2 vs GPT-5.6 SolGemini 2.0 Flash vs Muse Spark 1.1Kimi K2 vs Muse Spark 1.1Gemini 2.0 Flash vs Grok 4.5Kimi K2 vs Grok 4.5Gemini 2.0 Flash vs DeepSeek-V4-ProKimi K2 vs DeepSeek-V4-ProGemini 2.0 Flash vs Mistral Medium 3.5Kimi K2 vs Mistral Medium 3.5