Compare / Claude Opus 4.8 vs DeepSeek V4 Pro 0813

Claude Opus 4.8 vs DeepSeek V4 Pro 0813

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

Claude Opus 4.8
Anthropic · profile
DeepSeek V4 Pro 0813
DeepSeek · profile
Results compared
13
Shared sources
3
BenchmarkMetricClaude Opus 4.8DeepSeek V4 Pro 0813
APEX-AgentsreportedTasks passed% of tasks 48.9%47.3%
Arena (formerly LMArena)reportedConfirmed task successIPS effect estimate 0.04-0.01
Arena (formerly LMArena)reportedPraise over complaintIPS effect estimate 0.150.03
Arena (formerly LMArena)reportedSteerabilityIPS effect estimate 0.100.02
Arena (formerly LMArena)reportedTool groundingIPS effect estimate -0.000.00
Arena (formerly LMArena)reportedOverallArena rating 1,4691,453
Arena (formerly LMArena)reportedBusiness, management and financeArena rating 1,4901,467
Arena (formerly LMArena)reportedCreative writingArena rating 1,4671,446
Arena (formerly LMArena)reportedExpert promptsArena rating 1,5251,485
Arena (formerly LMArena)reportedInstruction followingArena rating 1,4911,461
Arena (formerly LMArena)reportedOverallArena rating 1,4801,464
Arena (formerly LMArena)reportedWriting, literature and languageArena rating 1,4741,454
SimpleQA Verified (Epoch AI)reportedCorrect answers% of questions 53.0%52.9%

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.