Compare / GPT-5.6 Sol vs Grok 4.6

GPT-5.6 Sol vs Grok 4.6

27 results from 6 sources that measured both models. Each row is in the source's own units; there is no overall winner.

GPT-5.6 Sol
OpenAI · profile
Grok 4.6
xAI · profile
Results compared
27
Shared sources
6
BenchmarkMetricGPT-5.6 SolGrok 4.6
Arena (formerly LMArena)reportedConfirmed task successIPS effect estimate 0.03-0.03
Arena (formerly LMArena)reportedPraise over complaintIPS effect estimate 0.19-0.00
Arena (formerly LMArena)reportedSteerabilityIPS effect estimate 0.070.03
Arena (formerly LMArena)reportedTool groundingIPS effect estimate 0.000.00
Arena (formerly LMArena)reportedOverallArena rating 1,4891,461
Arena (formerly LMArena)reportedOverallArena rating 1,4761,449
Arena (formerly LMArena)reportedBusiness, management and financeArena rating 1,4851,447
Arena (formerly LMArena)reportedCreative writingArena rating 1,4701,445
Arena (formerly LMArena)reportedExpert promptsArena rating 1,5341,490
Arena (formerly LMArena)reportedInstruction followingArena rating 1,4891,451
Arena (formerly LMArena)reportedOverallArena rating 1,4831,453
Arena (formerly LMArena)reportedWriting, literature and languageArena rating 1,4831,446
Artificial AnalysisreportedArtificial Analysis Coding Indexindex score 78.376.8
Artificial AnalysisreportedArtificial Analysis Intelligence Indexindex score 47.044.3
Artificial AnalysisreportedGPQA Diamond% of questions 94.1%94.9%
Artificial AnalysisreportedHumanity's Last Exam% of questions 49.5%44.1%
Artificial AnalysisreportedLong-context reasoning (AA-LCR)% of questions 84.0%81.0%
Artificial AnalysisreportedSciCode% of problems 57.8%56.5%
Artificial AnalysisreportedTerminal-Bench 2.1% of tasks 89.5%88.4%
Artificial AnalysisreportedTerminal-Bench 4.0% of tasks 39.9%21.2%
Artificial AnalysisreportedΤ-bench banking% of tasks 44.3%50.7%
GDP.pdfreportedProfessional document tasks% of rubric 30.7%17.2%
SimpleQA Verified (Epoch AI)reportedCorrect answers% of questions 69.7%49.3%
UGI LeaderboardreportedRequested-length error% off the requested word count 1.0%25.0%
UGI LeaderboardreportedStyle adherencescore from 0 to 1 0.370.36
UGI LeaderboardreportedWriting scorescore out of 100 65.463.3
Vending-Bench 2reportedMoney after a yearUS dollars $9,619.37$9,047.03

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.