Compare / DeepSeek V4.1 Flash vs Gemini 3.1 Pro Preview

DeepSeek V4.1 Flash vs Gemini 3.1 Pro Preview

39 results from 2 sources that measured both models. Each row is in the source's own units; there is no overall winner.

DeepSeek V4.1 Flash
DeepSeek · profile
Gemini 3.1 Pro Preview
Google · profile
Results compared
39
Shared sources
2
BenchmarkMetricDeepSeek V4.1 FlashGemini 3.1 Pro Preview
CatalogBenchmeasured by usChannel rules broken% of products 1.8%12.5%
CatalogBenchmeasured by usContent quality% of checks 95.4%96.6%
CatalogBenchmeasured by usFailed outputs% of products 0.6%0.0%
CatalogBenchmeasured by usMissing UK information% of products 0.0%0.0%
CatalogBenchmeasured by usNot findable% of products 3.6%6.0%
CatalogBenchmeasured by usPublish-ready listings% of products 24.4%3.6%
CatalogBenchmeasured by usReliably publish-ready% of products 10.7%0.0%
CatalogBenchmeasured by usUnsupported claimsclaims per product 2.797.21
CatalogBenchmeasured by usUnsupported claims% of products 70.2%95.8%
CatalogBenchmeasured by usWrong attributes% of products 20.2%16.1%
CatalogBenchmeasured by usWrong category or variant% of products 2.4%1.8%
CatalogBenchmeasured by usChannel compliance% of products 99.4%97.0%
CatalogBenchmeasured by usChannel rules broken% of products 3.0%3.0%
CatalogBenchmeasured by usConflicts caught% of conflicts 100.0%100.0%
CatalogBenchmeasured by usContent quality% of checks 96.3%96.5%
CatalogBenchmeasured by usCost per productUS dollars $0.0061$0.0355
CatalogBenchmeasured by usDecision accuracy% of decisions 96.2%94.8%
CatalogBenchmeasured by usFailed outputs% of products 0.0%0.0%
CatalogBenchmeasured by usField accuracy% of missing fields 94.4%95.4%
CatalogBenchmeasured by usInvented values% of filled values 3.1%1.5%
CatalogBenchmeasured by usMissing UK information% of products 0.0%0.0%
CatalogBenchmeasured by usNot findable% of products 3.6%7.7%
CatalogBenchmeasured by usPublish-ready listings% of products 58.3%42.3%
CatalogBenchmeasured by usReliably publish-ready% of products 35.7%25.0%
CatalogBenchmeasured by usUnsupported claimsclaims per product 0.721.64
CatalogBenchmeasured by usUnsupported claims% of products 19.6%45.8%
CatalogBenchmeasured by usWrong attributes% of products 20.2%14.9%
CatalogBenchmeasured by usWrong category or variant% of products 3.0%1.8%
Arena (formerly LMArena)reportedConfirmed task successIPS effect estimate 0.12-0.08
Arena (formerly LMArena)reportedPraise over complaintIPS effect estimate 0.03-0.01
Arena (formerly LMArena)reportedSteerabilityIPS effect estimate -0.03-0.04
Arena (formerly LMArena)reportedTool groundingIPS effect estimate 0.00-0.00
Arena (formerly LMArena)reportedOverallArena rating 1,4711,472
Arena (formerly LMArena)reportedBusiness, management and financeArena rating 1,4811,477
Arena (formerly LMArena)reportedCreative writingArena rating 1,4401,480
Arena (formerly LMArena)reportedExpert promptsArena rating 1,5181,509
Arena (formerly LMArena)reportedInstruction followingArena rating 1,4781,479
Arena (formerly LMArena)reportedOverallArena rating 1,4771,487
Arena (formerly LMArena)reportedWriting, literature and languageArena rating 1,4551,480

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.