Compare / GPT-6 Sol vs grok-4-1-fast-reasoning

GPT-6 Sol vs grok-4-1-fast-reasoning

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

GPT-6 Sol
OpenAI · profile
grok-4-1-fast-reasoning
xAI · profile
Results compared
13
Shared sources
4
BenchmarkMetricGPT-6 Solgrok-4-1-fast-reasoning
Arena (formerly LMArena)reportedOverallArena rating 1,4241,413
Arena (formerly LMArena)reportedBusiness, management and financeArena rating 1,4651,417
Arena (formerly LMArena)reportedCreative writingArena rating 1,4511,414
Arena (formerly LMArena)reportedExpert promptsArena rating 1,5071,438
Arena (formerly LMArena)reportedInstruction followingArena rating 1,4471,401
Arena (formerly LMArena)reportedOverallArena rating 1,4571,430
Arena (formerly LMArena)reportedWriting, literature and languageArena rating 1,4401,407
Artificial AnalysisreportedArtificial Analysis Intelligence Indexindex score 47.620.4
Artificial AnalysisreportedHumanity's Last Exam% of questions 47.9%19.3%
Artificial AnalysisreportedLong-context reasoning (AA-LCR)% of questions 83.7%74.0%
Vectara Hallucination LeaderboardreportedAnswer rate% of documents 100.0%99.7%
Vectara Hallucination LeaderboardreportedHallucination rate% of summaries 6.5%19.2%
Vending-Bench 2reportedMoney after a yearUS dollars $14,427.85$1,106.63

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.