Compare / Claude Opus 4.5 vs GLM 5.3

Claude Opus 4.5 vs GLM 5.3

13 results from 4 sources that measured both models. Each row is in the source's own units; there is no overall winner.

Claude Opus 4.5
Anthropic · profile
GLM 5.3
Z.ai · profile
Results compared
13
Shared sources
4
BenchmarkMetricClaude Opus 4.5GLM 5.3
Arena (formerly LMArena)reportedOverallArena rating 1,4591,468
Arena (formerly LMArena)reportedBusiness, management and financeArena rating 1,4721,474
Arena (formerly LMArena)reportedCreative writingArena rating 1,4691,456
Arena (formerly LMArena)reportedExpert promptsArena rating 1,5031,516
Arena (formerly LMArena)reportedInstruction followingArena rating 1,4831,480
Arena (formerly LMArena)reportedOverallArena rating 1,4741,480
Arena (formerly LMArena)reportedWriting, literature and languageArena rating 1,4671,470
Artificial AnalysisreportedArtificial Analysis Intelligence Indexindex score 29.144.8
Artificial AnalysisreportedGPQA Diamond% of questions 86.6%91.7%
Artificial AnalysisreportedHumanity's Last Exam% of questions 30.1%42.3%
Artificial AnalysisreportedLong-context reasoning (AA-LCR)% of questions 77.3%79.7%
SimpleQA Verified (Epoch AI)reportedCorrect answers% of questions 45.7%41.0%
Vending-Bench 2reportedMoney after a yearUS dollars $4,967.06$8,163.61

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.