Compare / Gemini 2.5 Pro vs GPT-5 Mini
Gemini 2.5 Pro vs GPT-5 Mini
10 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 2.5 Pro | GPT-5 Mini |
|---|---|---|---|
| Arena (formerly LMArena)reported | OverallArena rating | 1,462 | 1,394 |
| Arena (formerly LMArena)reported | Business, management and financeArena rating | 1,437 | 1,381 |
| Arena (formerly LMArena)reported | Creative writingArena rating | 1,443 | 1,324 |
| Arena (formerly LMArena)reported | Expert promptsArena rating | 1,458 | 1,400 |
| Arena (formerly LMArena)reported | Instruction followingArena rating | 1,438 | 1,373 |
| Arena (formerly LMArena)reported | OverallArena rating | 1,446 | 1,390 |
| Arena (formerly LMArena)reported | Writing, literature and languageArena rating | 1,445 | 1,352 |
| Vectara Hallucination Leaderboardreported | Answer rate% of documents | 99.1% | 99.9% |
| Vectara Hallucination Leaderboardreported | Hallucination rate% of summaries | 7.0% | 12.9% |
| Vending-Bench 2reported | Money after a yearUS dollars | $573.64 | $-31.18 |
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.