1 vs 2 benchmarks won
Anthropic Claude Sonnet 4 | Google Gemini 2.5 Pro | |
|---|---|---|
| Overview | ||
| Company | Anthropic | |
| Release date | May 22 2025 | Mar 25 2025 |
| Model type | — | — |
| Open source | No | No |
| Specifications | ||
Parameters | — | — |
Context window | — | — |
| Benchmarks | ||
Science reasoning GPQA Diamond | 75.4% | 86.4% |
Software engineering SWE-Bench Verified | 72.7% | 59.6% |
Multimodal understanding MMMU | — | 68% |
| Timeline | ||
| Release gap | Gemini 2.5 Pro shipped 58 days before Claude Sonnet 4 | |
Gemini 2.5 Pro leads Claude Sonnet 4 on 2 of the tracked benchmarks (GPQA Diamond, SWE-Bench Verified, MMMU). Gemini 2.5 Pro shipped 58 days before Claude Sonnet 4, 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.
On GPQA Diamond, Gemini 2.5 Pro scores 86.4%, 11 points above Claude Sonnet 4 at 75.4%. On SWE-Bench Verified, Claude Sonnet 4 scores 72.7%, 13.1 points above Gemini 2.5 Pro at 59.6%.