Compare / GPT-4.1 vs GPT-5.2

GPT-4.1 vs GPT-5.2

20 results from 4 sources that measured both models. Each row is in the source's own units; there is no overall winner.

GPT-4.1
OpenAI · profile
GPT-5.2
OpenAI · profile
Results compared
20
Shared sources
4
BenchmarkMetricGPT-4.1GPT-5.2
Arena (formerly LMArena)reportedOverallArena rating 1,4081,442
Arena (formerly LMArena)reportedBusiness, management and financeArena rating 1,4151,444
Arena (formerly LMArena)reportedCreative writingArena rating 1,4021,391
Arena (formerly LMArena)reportedExpert promptsArena rating 1,4051,475
Arena (formerly LMArena)reportedInstruction followingArena rating 1,4031,427
Arena (formerly LMArena)reportedOverallArena rating 1,4151,437
Arena (formerly LMArena)reportedWriting, literature and languageArena rating 1,4051,411
Berkeley Function Calling Leaderboard (BFCL) V4reportedIrrelevance detection% correct 86.5%87.3%
Berkeley Function Calling Leaderboard (BFCL) V4reportedMemory% correct 23.9%45.8%
Berkeley Function Calling Leaderboard (BFCL) V4reportedMulti-turn tasks% correct 38.9%43.8%
Berkeley Function Calling Leaderboard (BFCL) V4reportedOverall accuracy% correct 54.0%55.9%
Berkeley Function Calling Leaderboard (BFCL) V4reportedRelevance detection% correct 100.0%75.0%
Berkeley Function Calling Leaderboard (BFCL) V4reportedSingle-turn calls (curated)% correct 88.7%81.8%
Berkeley Function Calling Leaderboard (BFCL) V4reportedSingle-turn calls (user-contributed)% correct 78.9%70.4%
Berkeley Function Calling Leaderboard (BFCL) V4reportedWeb search% correct 68.0%75.5%
UGI LeaderboardreportedRequested-length error% off the requested word count 6.0%76.0%
UGI LeaderboardreportedStyle adherencescore from 0 to 1 0.330.40
UGI LeaderboardreportedWriting scorescore out of 100 67.549.4
Vectara Hallucination LeaderboardreportedAnswer rate% of documents 99.9%100.0%
Vectara Hallucination LeaderboardreportedHallucination rate% of summaries 5.6%8.4%

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.