Compare / Claude Opus 4.7 vs Gemma 3 27B

Claude Opus 4.7 vs Gemma 3 27B

12 results from 3 sources that measured both models. Each row is in the source's own units; there is no overall winner.

Claude Opus 4.7
Anthropic · profile
Gemma 3 27B
Google · profile
Results compared
12
Shared sources
3
BenchmarkMetricClaude Opus 4.7Gemma 3 27B
Arena (formerly LMArena)reportedOverallArena rating 1,4771,380
Arena (formerly LMArena)reportedBusiness, management and financeArena rating 1,5081,377
Arena (formerly LMArena)reportedCreative writingArena rating 1,4881,348
Arena (formerly LMArena)reportedExpert promptsArena rating 1,5351,337
Arena (formerly LMArena)reportedInstruction followingArena rating 1,5031,343
Arena (formerly LMArena)reportedOverallArena rating 1,5021,365
Arena (formerly LMArena)reportedWriting, literature and languageArena rating 1,4961,354
UGI LeaderboardreportedRequested-length error% off the requested word count 1.0%8.0%
UGI LeaderboardreportedStyle adherencescore from 0 to 1 0.410.29
UGI LeaderboardreportedWriting scorescore out of 100 61.445.0
Vectara Hallucination LeaderboardreportedAnswer rate% of documents 98.0%98.8%
Vectara Hallucination LeaderboardreportedHallucination rate% of summaries 12.0%7.4%

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.