Compare / Mercury 2 vs GPT-6 Astra
Mercury 2 vs GPT-6 Astra
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 | Mercury 2 | GPT-6 Astra |
|---|---|---|---|
| Arena (formerly LMArena)reported | OverallArena rating | 1,368 | 1,465 |
| Arena (formerly LMArena)reported | Business, management and financeArena rating | 1,340 | 1,483 |
| Arena (formerly LMArena)reported | Creative writingArena rating | 1,292 | 1,453 |
| Arena (formerly LMArena)reported | Expert promptsArena rating | 1,348 | 1,510 |
| Arena (formerly LMArena)reported | Instruction followingArena rating | 1,327 | 1,473 |
| Arena (formerly LMArena)reported | OverallArena rating | 1,343 | 1,478 |
| Arena (formerly LMArena)reported | Writing, literature and languageArena rating | 1,307 | 1,469 |
| Vectara Hallucination Leaderboardreported | Answer rate% of documents | 100.0% | 100.0% |
| Vectara Hallucination Leaderboardreported | Hallucination rate% of summaries | 12.3% | 8.7% |
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.