Compare / GPT-5.1 vs GPT-5.4 Mini

GPT-5.1 vs GPT-5.4 Mini

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

GPT-5.1
OpenAI · profile
GPT-5.4 Mini
OpenAI · profile
Results compared
20
Shared sources
4
BenchmarkMetricGPT-5.1GPT-5.4 Mini
Arena (formerly LMArena)reportedOverallArena rating 1,4591,447
Arena (formerly LMArena)reportedBusiness, management and financeArena rating 1,4481,460
Arena (formerly LMArena)reportedCreative writingArena rating 1,4281,402
Arena (formerly LMArena)reportedExpert promptsArena rating 1,4821,480
Arena (formerly LMArena)reportedInstruction followingArena rating 1,4501,434
Arena (formerly LMArena)reportedOverallArena rating 1,4561,447
Arena (formerly LMArena)reportedWriting, literature and languageArena rating 1,4371,424
Artificial AnalysisreportedArtificial Analysis Coding Indexindex score 49.456.1
Artificial AnalysisreportedArtificial Analysis Intelligence Indexindex score 24.724.1
Artificial AnalysisreportedGPQA Diamond% of questions 87.3%87.5%
Artificial AnalysisreportedHumanity's Last Exam% of questions 28.5%28.1%
Artificial AnalysisreportedIFBench% of instructions 72.9%73.3%
Artificial AnalysisreportedLong-context reasoning (AA-LCR)% of questions 80.0%77.0%
Artificial AnalysisreportedTerminal-Bench 2.1% of tasks 52.4%59.2%
Artificial AnalysisreportedTerminal-Bench Hard% of tasks 45.5%52.3%
Artificial AnalysisreportedΤ-bench banking% of tasks 15.9%25.6%
Artificial AnalysisreportedΤ²-bench telecom% of tasks 81.9%83.3%
SimpleQA Verified (Epoch AI)reportedCorrect answers% of questions 48.0%29.4%
Vectara Hallucination LeaderboardreportedAnswer rate% of documents 100.0%100.0%
Vectara Hallucination LeaderboardreportedHallucination rate% of summaries 10.9%5.5%

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.