Gemma 2 vs Kimi K2
Google Gemma 2 | Moonshot AI Kimi K2 | |
|---|---|---|
| Overview | ||
| Company | Moonshot AI | |
| Release date | Jun 27 2024 | Jul 11 2025 |
| Access | Open Weight | 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. | — | 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 | Gemma 2 shipped 379 days before Kimi K2 | |
Which is better: Gemma 2 or Kimi K2?
Gemma 2 and Kimi K2 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Gemma 2 shipped 379 days before Kimi K2, 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 — Gemma 2 and Kimi K2 don't publish scores on any of the same benchmarks.
Frequently asked questions
Gemma 2 was released by Google on Jun 27 2024.
Kimi K2 was released by Moonshot AI on Jul 11 2025.