GPT-5 Nano (Medium) — benchmark results
GPT-5 Nano evaluated at the medium reasoning-effort setting. Provider: OpenAI. Released 2025-08-07. Access: API.
Unified ELO 1610 ± 23, rank #456 of 1776 rated models, from 74 benchmark results.
Strongest benchmark results
| Benchmark | Score | Metric | Percentile |
|---|---|---|---|
| AA LiveCodeBench | 76.3 | Pass@1 (%) | 87 |
| MATH Level 5 | 95.24 | Accuracy (%) | 87 |
| LLM Chess (Saplin) | 413.3 | ELO | 79.3 |
| AA IFBench | 65.92 | Accuracy (%) | 77.3 |
| LisanBench | 0.09 | Mean Path Length / Current Maximum | 73.8 |
| AA AIME 2025 | 78.33 | Accuracy (%) | 73.1 |
| AI for Education Visual Maths - Algebra | 84.62 | Accuracy (%) | 72.5 |
| AI for Education Visual Maths - Measurement | 83.78 | Accuracy (%) | 70.8 |
| AI for Education Visual Maths - Statistics and Probability | 28.57 | Accuracy (%) | 69.2 |
| AA Omniscience | -24.88 | Score | 67.6 |
| SLR-Bench - Basic | 99 | Accuracy (%) | 62.7 |
| AI for Education Visual Maths - Number and Operations | 51.35 | Accuracy (%) | 62.5 |
Interactive version: theaggregate.ai/model?slug=gpt-5-nano-medium · How the rankings work · Data refreshed daily, snapshot 2026-07-22.