Compare / Phi 4 vs GPT-5 Mini

Phi 4 vs GPT-5 Mini

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

Phi 4
Microsoft · profile
GPT-5 Mini
OpenAI · profile
Results compared
16
Shared sources
3
BenchmarkMetricPhi 4GPT-5 Mini
Arena (formerly LMArena)reportedBusiness, management and financeArena rating 1,2561,381
Arena (formerly LMArena)reportedCreative writingArena rating 1,2101,324
Arena (formerly LMArena)reportedExpert promptsArena rating 1,2681,400
Arena (formerly LMArena)reportedInstruction followingArena rating 1,2451,373
Arena (formerly LMArena)reportedOverallArena rating 1,2561,390
Arena (formerly LMArena)reportedWriting, literature and languageArena rating 1,2291,352
Berkeley Function Calling Leaderboard (BFCL) V4reportedIrrelevance detection% correct 87.5%91.0%
Berkeley Function Calling Leaderboard (BFCL) V4reportedMemory% correct 24.7%44.3%
Berkeley Function Calling Leaderboard (BFCL) V4reportedMulti-turn tasks% correct 3.9%27.5%
Berkeley Function Calling Leaderboard (BFCL) V4reportedOverall accuracy% correct 28.8%55.5%
Berkeley Function Calling Leaderboard (BFCL) V4reportedRelevance detection% correct 50.0%93.8%
Berkeley Function Calling Leaderboard (BFCL) V4reportedSingle-turn calls (curated)% correct 69.6%69.8%
Berkeley Function Calling Leaderboard (BFCL) V4reportedSingle-turn calls (user-contributed)% correct 60.7%62.5%
Berkeley Function Calling Leaderboard (BFCL) V4reportedWeb search% correct 4.5%82.0%
Vectara Hallucination LeaderboardreportedAnswer rate% of documents 80.7%99.9%
Vectara Hallucination LeaderboardreportedHallucination rate% of summaries 3.7%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.