GPT-4.1 nano scores 9.4 on the Respan Index (#135), ahead of GPT-4o mini at 8.8 (#136). GPT-4.1 nano leads on 6 of the 9 benchmarks both report. GPT-4.1 nano is 1.5x cheaper per token at list price. GPT-4.1 nano has the larger context window (1.0M tokens).
* Estimated: no published scores in that category. How the Respan Index works
| 11.8% |
| LMArena Elo | 1322 | 1318 |
| LMArena Vision (LMArena) | 1089 | 1097 |
| AIME 2024 | 29.4% | 8.6% |
| MMLU | 80.1% | 82% |
Higher is better. Each score links to where it was published.