Compare / Gemini 3.6 Flash vs GPT-5.6 Terra

Gemini 3.6 Flash vs GPT-5.6 Terra

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

Gemini 3.6 Flash
Google · profile
GPT-5.6 Terra
OpenAI · profile
Results compared
27
Shared sources
6
BenchmarkMetricGemini 3.6 FlashGPT-5.6 Terra
APEX-AgentsreportedTasks passed% of tasks 46.9%58.2%
Arena (formerly LMArena)reportedConfirmed task successIPS effect estimate -0.08-0.06
Arena (formerly LMArena)reportedPraise over complaintIPS effect estimate -0.090.03
Arena (formerly LMArena)reportedSteerabilityIPS effect estimate -0.040.04
Arena (formerly LMArena)reportedTool groundingIPS effect estimate 0.000.00
Arena (formerly LMArena)reportedOverallArena rating 1,4531,477
Arena (formerly LMArena)reportedOverallArena rating 1,4701,467
Arena (formerly LMArena)reportedBusiness, management and financeArena rating 1,4721,466
Arena (formerly LMArena)reportedCreative writingArena rating 1,4691,428
Arena (formerly LMArena)reportedExpert promptsArena rating 1,5001,504
Arena (formerly LMArena)reportedInstruction followingArena rating 1,4731,462
Arena (formerly LMArena)reportedOverallArena rating 1,4821,465
Arena (formerly LMArena)reportedWriting, literature and languageArena rating 1,4721,445
Artificial AnalysisreportedArtificial Analysis Coding Indexindex score 69.276.7
Artificial AnalysisreportedArtificial Analysis Intelligence Indexindex score 34.042.1
Artificial AnalysisreportedGPQA Diamond% of questions 92.8%92.5%
Artificial AnalysisreportedHumanity's Last Exam% of questions 40.8%42.9%
Artificial AnalysisreportedLong-context reasoning (AA-LCR)% of questions 80.0%83.0%
Artificial AnalysisreportedSciCode% of problems 53.4%55.0%
Artificial AnalysisreportedTerminal-Bench 2.1% of tasks 77.5%88.0%
Artificial AnalysisreportedTerminal-Bench 4.0% of tasks 7.1%35.4%
Artificial AnalysisreportedΤ-bench banking% of tasks 29.9%40.2%
GDP.pdfreportedProfessional document tasks% of rubric 14.0%24.7%
SimpleQA Verified (Epoch AI)reportedCorrect answers% of questions 66.2%43.2%
UGI LeaderboardreportedRequested-length error% off the requested word count 9.0%22.0%
UGI LeaderboardreportedStyle adherencescore from 0 to 1 0.330.39
UGI LeaderboardreportedWriting scorescore out of 100 69.860.4

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.