Compare / GPT-4.1 vs GPT-4.1 Nano

GPT-4.1 vs GPT-4.1 Nano

15 results from 3 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-4.1 Nano
OpenAI · profile
Results compared
15
Shared sources
3
BenchmarkMetricGPT-4.1GPT-4.1 Nano
Arena (formerly LMArena)reportedBusiness, management and financeArena rating 1,4151,321
Arena (formerly LMArena)reportedCreative writingArena rating 1,4021,307
Arena (formerly LMArena)reportedExpert promptsArena rating 1,4051,313
Arena (formerly LMArena)reportedInstruction followingArena rating 1,4031,300
Arena (formerly LMArena)reportedOverallArena rating 1,4151,322
Arena (formerly LMArena)reportedWriting, literature and languageArena rating 1,4051,299
Berkeley Function Calling Leaderboard (BFCL) V4reportedIrrelevance detection% correct 86.5%83.4%
Berkeley Function Calling Leaderboard (BFCL) V4reportedMemory% correct 23.9%18.9%
Berkeley Function Calling Leaderboard (BFCL) V4reportedMulti-turn tasks% correct 38.9%23.6%
Berkeley Function Calling Leaderboard (BFCL) V4reportedOverall accuracy% correct 54.0%33.0%
Berkeley Function Calling Leaderboard (BFCL) V4reportedRelevance detection% correct 100.0%93.8%
Berkeley Function Calling Leaderboard (BFCL) V4reportedSingle-turn calls (curated)% correct 88.7%73.0%
Berkeley Function Calling Leaderboard (BFCL) V4reportedSingle-turn calls (user-contributed)% correct 78.9%60.8%
Berkeley Function Calling Leaderboard (BFCL) V4reportedWeb search% correct 68.0%11.0%
SimpleQA Verified (Epoch AI)reportedCorrect answers% of questions 31.1%6.0%

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.