Compare / Gemini 3.5 Flash vs GPT-5 Nano
Gemini 3.5 Flash vs GPT-5 Nano
14 results from 3 sources that measured both models. Each row is in the source's own units; there is no overall winner.
| Benchmark | Metric | Gemini 3.5 Flash | GPT-5 Nano |
|---|---|---|---|
| Arena (formerly LMArena)reported | Business, management and financeArena rating | 1,468 | 1,339 |
| Arena (formerly LMArena)reported | Creative writingArena rating | 1,466 | 1,247 |
| Arena (formerly LMArena)reported | Expert promptsArena rating | 1,491 | 1,354 |
| Arena (formerly LMArena)reported | Instruction followingArena rating | 1,465 | 1,327 |
| Arena (formerly LMArena)reported | OverallArena rating | 1,477 | 1,338 |
| Arena (formerly LMArena)reported | Writing, literature and languageArena rating | 1,472 | 1,289 |
| Artificial Analysisreported | Artificial Analysis Intelligence Indexindex score | 33.6 | 13.0 |
| Artificial Analysisreported | GPQA Diamond% of questions | 92.2% | 67.6% |
| Artificial Analysisreported | Humanity's Last Exam% of questions | 42.7% | 9.5% |
| Artificial Analysisreported | IFBench% of instructions | 76.3% | 67.6% |
| Artificial Analysisreported | Long-context reasoning (AA-LCR)% of questions | 74.3% | 45.0% |
| Artificial Analysisreported | Terminal-Bench Hard% of tasks | 46.2% | 17.4% |
| Artificial Analysisreported | Τ²-bench telecom% of tasks | 95.6% | 36.5% |
| SimpleQA Verified (Epoch AI)reported | Correct answers% of questions | 66.2% | 11.7% |
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.