Compare / GPT-5 vs GPT-5 Mini

GPT-5 vs GPT-5 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
OpenAI · profile
GPT-5 Mini
OpenAI · profile
Results compared
20
Shared sources
4
BenchmarkMetricGPT-5GPT-5 Mini
Arena (formerly LMArena)reportedOverallArena rating 1,4211,394
Arena (formerly LMArena)reportedBusiness, management and financeArena rating 1,4131,381
Arena (formerly LMArena)reportedCreative writingArena rating 1,3731,324
Arena (formerly LMArena)reportedExpert promptsArena rating 1,4601,400
Arena (formerly LMArena)reportedInstruction followingArena rating 1,4101,373
Arena (formerly LMArena)reportedOverallArena rating 1,4351,390
Arena (formerly LMArena)reportedWriting, literature and languageArena rating 1,3971,352
Artificial AnalysisreportedArtificial Analysis Coding Indexindex score 37.815.6
Artificial AnalysisreportedArtificial Analysis Intelligence Indexindex score 23.020.6
Artificial AnalysisreportedGPQA Diamond% of questions 85.4%82.8%
Artificial AnalysisreportedHumanity's Last Exam% of questions 28.5%21.5%
Artificial AnalysisreportedIFBench% of instructions 73.1%75.4%
Artificial AnalysisreportedLong-context reasoning (AA-LCR)% of questions 78.2%72.3%
Artificial AnalysisreportedTerminal-Bench 2.1% of tasks 35.2%3.7%
Artificial AnalysisreportedTerminal-Bench Hard% of tasks 37.9%33.3%
Artificial AnalysisreportedΤ-bench banking% of tasks 22.1%15.5%
Artificial AnalysisreportedΤ²-bench telecom% of tasks 86.5%71.1%
SimpleQA Verified (Epoch AI)reportedCorrect answers% of questions 50.1%21.6%
Vectara Hallucination LeaderboardreportedAnswer rate% of documents 99.9%99.9%
Vectara Hallucination LeaderboardreportedHallucination rate% of summaries 14.7%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.