Compare / DeepSeek V3.1 vs DeepSeek V4 Flash 0423

DeepSeek V3.1 vs DeepSeek V4 Flash 0423

13 results from 3 sources that measured both models. Each row is in the source's own units; there is no overall winner.

DeepSeek V3.1
DeepSeek · profile
DeepSeek V4 Flash 0423
DeepSeek · profile
Results compared
13
Shared sources
3
BenchmarkMetricDeepSeek V3.1DeepSeek V4 Flash 0423
Arena (formerly LMArena)reportedBusiness, management and financeArena rating 1,4171,439
Arena (formerly LMArena)reportedCreative writingArena rating 1,4021,408
Arena (formerly LMArena)reportedExpert promptsArena rating 1,4321,457
Arena (formerly LMArena)reportedInstruction followingArena rating 1,4161,428
Arena (formerly LMArena)reportedOverallArena rating 1,4171,436
Arena (formerly LMArena)reportedWriting, literature and languageArena rating 1,4071,416
Artificial AnalysisreportedArtificial Analysis Intelligence Indexindex score 13.734.3
Artificial AnalysisreportedGPQA Diamond% of questions 77.9%90.8%
Artificial AnalysisreportedHumanity's Last Exam% of questions 14.3%38.6%
Artificial AnalysisreportedLong-context reasoning (AA-LCR)% of questions 56.7%79.7%
UGI LeaderboardreportedRequested-length error% off the requested word count 30.0%12.0%
UGI LeaderboardreportedStyle adherencescore from 0 to 1 0.360.36
UGI LeaderboardreportedWriting scorescore out of 100 51.954.6

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.