GPT-5.4 Nano (High) — benchmark results
GPT-5.4 Nano evaluated at the high reasoning-effort setting. Provider: OpenAI. Released 2026-03-17. Access: API.
Unified ELO 1593 ± 10, rank #491 of 1776 rated models, from 287 benchmark results.
Strongest benchmark results
| Benchmark | Score | Metric | Percentile |
|---|---|---|---|
| EuroEval Finnish NLU - ScaLA FI | 51.4 | Linguistic acceptability Score (%) | 98.4 |
| EuroEval Bosnian NLU - MMS BS | 52.99 | Sentiment classification Score (%) | 97.6 |
| EuroEval Spanish NLU - ScaLA ES | 55.08 | Linguistic acceptability Score (%) | 97.1 |
| EuroEval Portuguese NLU - ScaLA PT | 64.73 | Linguistic acceptability Score (%) | 97 |
| EuroEval Slovene Knowledge | 78.4 | Knowledge Average Score (%) | 96.8 |
| EuroEval Dutch Knowledge | 83.32 | Knowledge Average Score (%) | 96.2 |
| EuroEval Albanian NLU - MMS SQ | 29.38 | Sentiment classification Score (%) | 95.5 |
| EuroEval Romanian Knowledge | 87.97 | Knowledge Average Score (%) | 95.2 |
| EuroEval Polish Summarization - PSC | 25.24 | Score (%) | 94.9 |
| EuroEval Czech Knowledge | 94.63 | Knowledge Average Score (%) | 94.8 |
| EuroEval German NLU - ScaLA DE | 61.16 | Linguistic acceptability Score (%) | 94.4 |
| EuroEval Spanish NLU | 57.78 | NLU Average Score (%) | 94.4 |
Interactive version: theaggregate.ai/model?slug=gpt-5-4-nano-high · How the rankings work · Data refreshed daily, snapshot 2026-07-22.