2 vs 1 benchmarks won
Google Gemini 2.5 Pro | Moonshot AI Kimi K2 Thinking | |
|---|---|---|
| Overview | ||
| Company | Moonshot AI | |
| Release date | Mar 25 2025 | Nov 6 2025 |
| Model type | — | — |
| Open source | No | Yes |
| Specifications | ||
Parameters | — | 1T |
Context window | — | 256k |
| Benchmarks | ||
Science reasoning GPQA Diamond | 86.4% | — |
Software engineering SWE-Bench Verified | 59.6% | 71.3% |
Multimodal understanding MMMU | 68% | — |
| Timeline | ||
| Release gap | Gemini 2.5 Pro shipped 226 days before Kimi K2 Thinking | |
Gemini 2.5 Pro leads Kimi K2 Thinking on 2 of the tracked benchmarks (GPQA Diamond, SWE-Bench Verified, MMMU). Gemini 2.5 Pro shipped 226 days before Kimi K2 Thinking, so benchmark comparisons should account for the intervening progress.
Kimi K2 Thinking is an open-source / open-weight model; Gemini 2.5 Pro is proprietary.
On SWE-Bench Verified, Kimi K2 Thinking scores 71.3%, 11.7 points above Gemini 2.5 Pro at 59.6%.