0 vs 3 benchmarks won
Google Gemini 2.5 Pro | OpenAI GPT-5.1 | |
|---|---|---|
| Overview | ||
| Company | OpenAI | |
| Release date | Mar 25 2025 | Nov 12 2025 |
| Model type | — | — |
| Open source | No | No |
| Specifications | ||
Parameters | — | — |
Context window | — | — |
| Benchmarks | ||
Science reasoning GPQA Diamond | 86.4% | 88.1% |
Software engineering SWE-Bench Verified | 59.6% | 76.3% |
Multimodal understanding MMMU | 68% | 76% |
| Timeline | ||
| Release gap | Gemini 2.5 Pro shipped 232 days before GPT-5.1 | |
GPT-5.1 leads Gemini 2.5 Pro on 3 of the tracked benchmarks (GPQA Diamond, SWE-Bench Verified, MMMU). Gemini 2.5 Pro shipped 232 days before GPT-5.1, 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, GPT-5.1 scores 88.1%, 1.7 points above Gemini 2.5 Pro at 86.4%. On SWE-Bench Verified, GPT-5.1 scores 76.3%, 16.7 points above Gemini 2.5 Pro at 59.6%. On MMMU, GPT-5.1 scores 76%, 8 points above Gemini 2.5 Pro at 68%.