Compare / DeepSeek V4 Pro 0423 vs Mercury 2

DeepSeek V4 Pro 0423 vs Mercury 2

9 results from 2 sources that measured both models. Each row is in the source's own units; there is no overall winner.

DeepSeek V4 Pro 0423
DeepSeek · profile
Mercury 2
Inception · profile
Results compared
9
Shared sources
2
BenchmarkMetricDeepSeek V4 Pro 0423Mercury 2
Arena (formerly LMArena)reportedOverallArena rating 1,4551,368
Arena (formerly LMArena)reportedBusiness, management and financeArena rating 1,4601,340
Arena (formerly LMArena)reportedCreative writingArena rating 1,4461,292
Arena (formerly LMArena)reportedExpert promptsArena rating 1,4801,348
Arena (formerly LMArena)reportedInstruction followingArena rating 1,4521,327
Arena (formerly LMArena)reportedOverallArena rating 1,4581,343
Arena (formerly LMArena)reportedWriting, literature and languageArena rating 1,4511,307
Vectara Hallucination LeaderboardreportedAnswer rate% of documents 97.2%100.0%
Vectara Hallucination LeaderboardreportedHallucination rate% of summaries 8.6%12.3%

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.