Compare / Gemma 3 27B vs GPT-5 Mini

Gemma 3 27B vs GPT-5 Mini

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

Gemma 3 27B
Google · profile
GPT-5 Mini
OpenAI · profile
Results compared
17
Shared sources
3
BenchmarkMetricGemma 3 27BGPT-5 Mini
Arena (formerly LMArena)reportedOverallArena rating 1,3801,394
Arena (formerly LMArena)reportedBusiness, management and financeArena rating 1,3771,381
Arena (formerly LMArena)reportedCreative writingArena rating 1,3481,324
Arena (formerly LMArena)reportedExpert promptsArena rating 1,3371,400
Arena (formerly LMArena)reportedInstruction followingArena rating 1,3431,373
Arena (formerly LMArena)reportedOverallArena rating 1,3651,390
Arena (formerly LMArena)reportedWriting, literature and languageArena rating 1,3541,352
Berkeley Function Calling Leaderboard (BFCL) V4reportedIrrelevance detection% correct 73.7%91.0%
Berkeley Function Calling Leaderboard (BFCL) V4reportedMemory% correct 13.6%44.3%
Berkeley Function Calling Leaderboard (BFCL) V4reportedMulti-turn tasks% correct 10.8%27.5%
Berkeley Function Calling Leaderboard (BFCL) V4reportedOverall accuracy% correct 29.5%55.5%
Berkeley Function Calling Leaderboard (BFCL) V4reportedRelevance detection% correct 81.2%93.8%
Berkeley Function Calling Leaderboard (BFCL) V4reportedSingle-turn calls (curated)% correct 87.2%69.8%
Berkeley Function Calling Leaderboard (BFCL) V4reportedSingle-turn calls (user-contributed)% correct 74.5%62.5%
Berkeley Function Calling Leaderboard (BFCL) V4reportedWeb search% correct 0.0%82.0%
Vectara Hallucination LeaderboardreportedAnswer rate% of documents 98.8%99.9%
Vectara Hallucination LeaderboardreportedHallucination rate% of summaries 7.4%12.9%

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.