Compare / Mistral Large 3 2512 vs GPT-5
Mistral Large 3 2512 vs GPT-5
12 results from 3 sources that measured both models. Each row is in the source's own units; there is no overall winner.
| Benchmark | Metric | Mistral Large 3 2512 | GPT-5 |
|---|---|---|---|
| Arena (formerly LMArena)reported | OverallArena rating | 1,434 | 1,421 |
| Arena (formerly LMArena)reported | Business, management and financeArena rating | 1,409 | 1,413 |
| Arena (formerly LMArena)reported | Creative writingArena rating | 1,373 | 1,373 |
| Arena (formerly LMArena)reported | Expert promptsArena rating | 1,428 | 1,460 |
| Arena (formerly LMArena)reported | Instruction followingArena rating | 1,400 | 1,410 |
| Arena (formerly LMArena)reported | OverallArena rating | 1,413 | 1,435 |
| Arena (formerly LMArena)reported | Writing, literature and languageArena rating | 1,388 | 1,397 |
| UGI Leaderboardreported | Requested-length error% off the requested word count | 15.0% | 58.0% |
| UGI Leaderboardreported | Style adherencescore from 0 to 1 | 0.38 | 0.39 |
| UGI Leaderboardreported | Writing scorescore out of 100 | 41.6 | 53.5 |
| Vectara Hallucination Leaderboardreported | Answer rate% of documents | 98.8% | 99.9% |
| Vectara Hallucination Leaderboardreported | Hallucination rate% of summaries | 14.5% | 14.7% |
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.