Compare / Gemini 3.5 Flash vs GPT-5.6 Sol

Gemini 3.5 Flash vs GPT-5.6 Sol

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

Gemini 3.5 Flash
Google · profile
GPT-5.6 Sol
OpenAI · profile
Results compared
26
Shared sources
6
BenchmarkMetricGemini 3.5 FlashGPT-5.6 Sol
Arena (formerly LMArena)reportedOverallArena rating 1,4611,489
Arena (formerly LMArena)reportedOverallArena rating 1,4761,476
Arena (formerly LMArena)reportedBusiness, management and financeArena rating 1,4681,485
Arena (formerly LMArena)reportedCreative writingArena rating 1,4661,470
Arena (formerly LMArena)reportedExpert promptsArena rating 1,4911,534
Arena (formerly LMArena)reportedInstruction followingArena rating 1,4651,489
Arena (formerly LMArena)reportedOverallArena rating 1,4771,483
Arena (formerly LMArena)reportedWriting, literature and languageArena rating 1,4721,483
Artificial AnalysisreportedArtificial Analysis Coding Indexindex score 70.178.3
Artificial AnalysisreportedArtificial Analysis Intelligence Indexindex score 33.647.0
Artificial AnalysisreportedGPQA Diamond% of questions 92.2%94.1%
Artificial AnalysisreportedHumanity's Last Exam% of questions 42.7%49.5%
Artificial AnalysisreportedIFBench% of instructions 76.3%72.7%
Artificial AnalysisreportedLong-context reasoning (AA-LCR)% of questions 74.3%84.0%
Artificial AnalysisreportedSciCode% of problems 53.9%57.8%
Artificial AnalysisreportedTerminal-Bench 2.1% of tasks 78.7%89.5%
Artificial AnalysisreportedTerminal-Bench 4.0% of tasks 6.6%39.9%
Artificial AnalysisreportedTerminal-Bench Hard% of tasks 46.2%65.9%
Artificial AnalysisreportedΤ-bench banking% of tasks 32.2%44.3%
Artificial AnalysisreportedΤ²-bench telecom% of tasks 95.6%85.1%
GDP.pdfreportedProfessional document tasks% of rubric 14.0%30.7%
SimpleQA Verified (Epoch AI)reportedCorrect answers% of questions 66.2%69.7%
UGI LeaderboardreportedRequested-length error% off the requested word count 9.0%1.0%
UGI LeaderboardreportedStyle adherencescore from 0 to 1 0.350.37
UGI LeaderboardreportedWriting scorescore out of 100 72.565.4
Vending-Bench 2reportedMoney after a yearUS dollars $5,396.42$9,619.37

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.