GPT-5 Nano (High) — benchmark results
GPT-5 Nano evaluated at the high reasoning-effort setting. Provider: OpenAI. Released 2025-08-07. Access: API.
Unified ELO 1594 ± 10, rank #489 of 1776 rated models, from 195 benchmark results.
Strongest benchmark results
| Benchmark | Score | Metric | Percentile |
|---|---|---|---|
| EuroEval English Knowledge | 94.92 | Knowledge Average Score (%) | 96.8 |
| EuroEval French NLU - Allocine | 96.47 | Sentiment classification Score (%) | 95.3 |
| EuroEval Dutch Knowledge | 82.77 | Knowledge Average Score (%) | 94.7 |
| EuroEval Norwegian Common Sense Reasoning | 86.99 | Common Sense Reasoning Average Score (%) | 94.4 |
| EuroEval Finnish | 65.28 | Average Score (%) | 94.1 |
| EuroEval Icelandic NLU - ScaLA IS | 44.69 | Linguistic acceptability Score (%) | 93.7 |
| EuroEval Swedish Knowledge | 79.04 | Knowledge Average Score (%) | 92.9 |
| EuroEval French Knowledge | 79.05 | Knowledge Average Score (%) | 92.7 |
| EuroEval Norwegian Knowledge | 58.49 | Knowledge Average Score (%) | 92.1 |
| EuroEval Faroese NLU - FoQA | 76.05 | Reading comprehension Score (%) | 91.8 |
| EuroEval Swedish NLU - SUC3 | 75.73 | Named entity recognition Score (%) | 91.8 |
| EuroEval Finnish NLU | 65.78 | NLU Average Score (%) | 91.7 |
Interactive version: theaggregate.ai/model?slug=gpt-5-nano-high · How the rankings work · Data refreshed daily, snapshot 2026-07-22.