Compare / GPT-5.4 Nano vs Grok 4.5
GPT-5.4 Nano vs Grok 4.5
17 results from 3 sources that measured both models. Each row is in the source's own units; there is no overall winner.
| Benchmark | Metric | GPT-5.4 Nano | Grok 4.5 |
|---|---|---|---|
| Arena (formerly LMArena)reported | OverallArena rating | 1,418 | 1,465 |
| Arena (formerly LMArena)reported | Business, management and financeArena rating | 1,405 | 1,465 |
| Arena (formerly LMArena)reported | Creative writingArena rating | 1,335 | 1,452 |
| Arena (formerly LMArena)reported | Expert promptsArena rating | 1,438 | 1,488 |
| Arena (formerly LMArena)reported | Instruction followingArena rating | 1,387 | 1,462 |
| Arena (formerly LMArena)reported | OverallArena rating | 1,401 | 1,465 |
| Arena (formerly LMArena)reported | Writing, literature and languageArena rating | 1,362 | 1,459 |
| Artificial Analysisreported | Artificial Analysis Coding Indexindex score | 56.1 | 72.4 |
| Artificial Analysisreported | Artificial Analysis Intelligence Indexindex score | 20.7 | 38.8 |
| Artificial Analysisreported | GPQA Diamond% of questions | 81.7% | 93.1% |
| Artificial Analysisreported | Humanity's Last Exam% of questions | 28.3% | 42.7% |
| Artificial Analysisreported | Long-context reasoning (AA-LCR)% of questions | 76.7% | 79.3% |
| Artificial Analysisreported | SciCode% of problems | 47.2% | 55.0% |
| Artificial Analysisreported | Terminal-Bench 2.1% of tasks | 60.7% | 81.6% |
| Artificial Analysisreported | Terminal-Bench 4.0% of tasks | 0.5% | 10.6% |
| Artificial Analysisreported | Τ-bench banking% of tasks | 27.4% | 42.1% |
| SimpleQA Verified (Epoch AI)reported | Correct answers% of questions | 11.7% | 48.3% |
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.