Compare / DeepSeek V3.1 Terminus vs Gemini 3.8 Flash

DeepSeek V3.1 Terminus vs Gemini 3.8 Flash

17 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 Terminus
DeepSeek · profile
Gemini 3.8 Flash
Google · profile
Results compared
17
Shared sources
3
BenchmarkMetricDeepSeek V3.1 TerminusGemini 3.8 Flash
Arena (formerly LMArena)reportedBusiness, management and financeArena rating 1,4231,482
Arena (formerly LMArena)reportedCreative writingArena rating 1,4051,482
Arena (formerly LMArena)reportedInstruction followingArena rating 1,4201,488
Arena (formerly LMArena)reportedOverallArena rating 1,4171,492
Arena (formerly LMArena)reportedWriting, literature and languageArena rating 1,4111,486
Artificial AnalysisreportedArtificial Analysis Coding Indexindex score 43.576.3
Artificial AnalysisreportedArtificial Analysis Intelligence Indexindex score 14.840.9
Artificial AnalysisreportedGPQA Diamond% of questions 79.2%95.3%
Artificial AnalysisreportedHumanity's Last Exam% of questions 16.4%47.8%
Artificial AnalysisreportedLong-context reasoning (AA-LCR)% of questions 69.3%84.0%
Artificial AnalysisreportedSciCode% of problems 38.0%56.6%
Artificial AnalysisreportedTerminal-Bench 2.1% of tasks 44.9%87.6%
Artificial AnalysisreportedTerminal-Bench 4.0% of tasks 0.0%19.7%
Artificial AnalysisreportedΤ-bench banking% of tasks 21.0%45.8%
UGI LeaderboardreportedRequested-length error% off the requested word count 32.0%13.0%
UGI LeaderboardreportedStyle adherencescore from 0 to 1 0.370.34
UGI LeaderboardreportedWriting scorescore out of 100 54.078.5

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.