Compare / GPT-5.4 vs GPT-5.4 Nano
GPT-5.4 vs GPT-5.4 Nano
9 results from 2 sources that measured both models. Each row is in the source's own units; there is no overall winner.
| Benchmark | Metric | GPT-5.4 | GPT-5.4 Nano |
|---|---|---|---|
| Arena (formerly LMArena)reported | OverallArena rating | 1,485 | 1,418 |
| Arena (formerly LMArena)reported | Business, management and financeArena rating | 1,482 | 1,405 |
| Arena (formerly LMArena)reported | Creative writingArena rating | 1,443 | 1,335 |
| Arena (formerly LMArena)reported | Expert promptsArena rating | 1,515 | 1,438 |
| Arena (formerly LMArena)reported | Instruction followingArena rating | 1,471 | 1,387 |
| Arena (formerly LMArena)reported | OverallArena rating | 1,475 | 1,401 |
| Arena (formerly LMArena)reported | Writing, literature and languageArena rating | 1,465 | 1,362 |
| Vectara Hallucination Leaderboardreported | Answer rate% of documents | 99.9% | 100.0% |
| Vectara Hallucination Leaderboardreported | Hallucination rate% of summaries | 7.0% | 3.1% |
Bold green marks the better value on that metric. Where a source reports ranges that overlap, the difference may not be meaningful; see the benchmark page for ranges.