GPT-5.5: benchmark results
OpenAI's standard GPT-5.5 model for general-purpose reasoning, coding, and writing. Provider: OpenAI. Released 2026-04-23. Access: API.
Aggregate Rating 1850 ± 2, rank #31 of 1656 rated models, from 2986 benchmark results.
Strongest benchmark results
| Benchmark | Score | Metric | Percentile |
|---|---|---|---|
| AGC-Bench - arastories | 1.28 | Dataset z-score | 100 |
| AGC-Bench - brainteaser | 1.84 | Dataset z-score | 100 |
| AGC-Bench - liveideabench | 1.57 | Dataset z-score | 100 |
| AGC-Bench - newyorker_humor | 1.06 | Dataset z-score | 100 |
| AGC-Bench - showerthoughts | 1.6 | Dataset z-score | 100 |
| AGI-Eval Community - Algorithmic Reasoning | 87.77 | Accuracy (%) | 100 |
| AGI-Eval Community - Instruction Following | 71.29 | Accuracy (%) | 100 |
| AGI-Eval Community - Objective Accuracy | 86.14 | Accuracy (%) | 100 |
| AGI-Eval Community - Objective Accuracy (Chinese) | 84.95 | Accuracy (%) | 100 |
| AGORA - Law | 62.86 | Accuracy (%) on the 35 law questions (285 documents), archiv | 100 |
| AGORA - Technology | 61.82 | Accuracy (%) on the 55 technology, software and manufacturin | 100 |
| AI for Education Visual Maths - Statistics and Probability | 85.71 | Accuracy (%) | 100 |
Interactive version: theaggregate.ai/model?slug=gpt-5-5 · How It Works · Data refreshed daily, snapshot 2026-10-20.