Compare / DeepSeek V4 Flash 0423 vs GPT-5.6 Sol

DeepSeek V4 Flash 0423 vs GPT-5.6 Sol

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

DeepSeek V4 Flash 0423
DeepSeek · profile
GPT-5.6 Sol
OpenAI · profile
Results compared
19
Shared sources
3
BenchmarkMetricDeepSeek V4 Flash 0423GPT-5.6 Sol
Arena (formerly LMArena)reportedOverallArena rating 1,4391,476
Arena (formerly LMArena)reportedBusiness, management and financeArena rating 1,4391,485
Arena (formerly LMArena)reportedCreative writingArena rating 1,4081,470
Arena (formerly LMArena)reportedExpert promptsArena rating 1,4571,534
Arena (formerly LMArena)reportedInstruction followingArena rating 1,4281,489
Arena (formerly LMArena)reportedOverallArena rating 1,4361,483
Arena (formerly LMArena)reportedWriting, literature and languageArena rating 1,4161,483
Artificial AnalysisreportedArtificial Analysis Coding Indexindex score 69.178.3
Artificial AnalysisreportedArtificial Analysis Intelligence Indexindex score 34.347.0
Artificial AnalysisreportedGPQA Diamond% of questions 90.8%94.1%
Artificial AnalysisreportedHumanity's Last Exam% of questions 38.6%49.5%
Artificial AnalysisreportedLong-context reasoning (AA-LCR)% of questions 79.7%84.0%
Artificial AnalysisreportedSciCode% of problems 50.3%57.8%
Artificial AnalysisreportedTerminal-Bench 2.1% of tasks 78.7%89.5%
Artificial AnalysisreportedTerminal-Bench 4.0% of tasks 12.1%39.9%
Artificial AnalysisreportedΤ-bench banking% of tasks 39.4%44.3%
UGI LeaderboardreportedRequested-length error% off the requested word count 12.0%1.0%
UGI LeaderboardreportedStyle adherencescore from 0 to 1 0.360.37
UGI LeaderboardreportedWriting scorescore out of 100 54.665.4

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.