Compare / Gemini 3.1 Pro Preview vs GPT-6 Sol

Gemini 3.1 Pro Preview vs GPT-6 Sol

35 results from 5 sources that measured both models. Each row is in the source's own units; there is no overall winner.

Gemini 3.1 Pro Preview
Google · profile
GPT-6 Sol
OpenAI · profile
Results compared
35
Shared sources
5
BenchmarkMetricGemini 3.1 Pro PreviewGPT-6 Sol
BulletBenchmeasured by usLadder Eloladder Elo 6830
BulletBenchmeasured by usMedian move timemilliseconds 6.2 s8.2 s
CatalogBenchmeasured by usContent quality% of checks 96.6%97.9%
CatalogBenchmeasured by usFailed outputs% of products 0.0%0.0%
CatalogBenchmeasured by usPublish-ready listings% of products 3.6%67.9%
CatalogBenchmeasured by usReliably publish-ready% of products 0.0%55.4%
CatalogBenchmeasured by usUnsupported claimsclaims per product 7.210.36
CatalogBenchmeasured by usChannel compliance% of products 97.0%100.0%
CatalogBenchmeasured by usConflicts caught% of conflicts 100.0%100.0%
CatalogBenchmeasured by usContent quality% of checks 96.5%97.7%
CatalogBenchmeasured by usCost per productUS dollars $0.0355$0.0085
CatalogBenchmeasured by usDecision accuracy% of decisions 94.8%97.5%
CatalogBenchmeasured by usFailed outputs% of products 0.0%0.0%
CatalogBenchmeasured by usField accuracy% of missing fields 95.4%93.7%
CatalogBenchmeasured by usInvented values% of filled values 1.5%1.0%
CatalogBenchmeasured by usPublish-ready listings% of products 42.3%70.2%
CatalogBenchmeasured by usReliably publish-ready% of products 25.0%60.7%
CatalogBenchmeasured by usUnsupported claimsclaims per product 1.640.24
ROASBenchmeasured by usCost of a runUS dollars $0.52$0.24
ROASBenchmeasured by usMonths over budgetmonths of 12 00
ROASBenchmeasured by usOverall scorescore out of 100 43.554.1
ROASBenchmeasured by usReturn on ad spendprofit per £1 spent £0.42£0.65
Arena (formerly LMArena)reportedConfirmed task successIPS effect estimate -0.080.11
Arena (formerly LMArena)reportedPraise over complaintIPS effect estimate -0.010.11
Arena (formerly LMArena)reportedSteerabilityIPS effect estimate -0.040.15
Arena (formerly LMArena)reportedTool groundingIPS effect estimate -0.000.00
Arena (formerly LMArena)reportedOverallArena rating 1,4721,424
Arena (formerly LMArena)reportedBusiness, management and financeArena rating 1,4771,465
Arena (formerly LMArena)reportedCreative writingArena rating 1,4801,451
Arena (formerly LMArena)reportedExpert promptsArena rating 1,5091,507
Arena (formerly LMArena)reportedInstruction followingArena rating 1,4791,447
Arena (formerly LMArena)reportedOverallArena rating 1,4871,457
Arena (formerly LMArena)reportedWriting, literature and languageArena rating 1,4801,440
Vectara Hallucination LeaderboardreportedAnswer rate% of documents 99.4%100.0%
Vectara Hallucination LeaderboardreportedHallucination rate% of summaries 10.4%6.5%

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.