OpenAIGPT
GPT-5.5 Pro
OpenAI · GPT. Released Apr 23, 2026.
5 results
Benchmark results 5
Compare this model| Benchmark | Category | Score | Metric | Status | Date | |
|---|---|---|---|---|---|---|
| FrontierMath | Reasoning | 52.4% | accuracy | Official | May 30, 2026 | Details |
| ARC-AGI-2 | Reasoning | 84.58% | accuracy | Official | May 19, 2026 | Details |
| GPQA Diamond | Reasoning | 93.9% | accuracy | Official | May 30, 2026 | Details |
| AIME (OTIS Mock) | Reasoning | 100.0% | accuracy | Official | May 30, 2026 | Details |
| SimpleQA Verified | Other | 64.5% | accuracy | Official | May 30, 2026 | Details |