Compare / Claude Sonnet 4.5 vs GLM 5.3

Claude Sonnet 4.5 vs GLM 5.3

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

Claude Sonnet 4.5
Anthropic · profile
GLM 5.3
Z.ai · profile
Results compared
18
Shared sources
4
BenchmarkMetricClaude Sonnet 4.5GLM 5.3
Arena (formerly LMArena)reportedOverallArena rating 1,4491,468
Arena (formerly LMArena)reportedBusiness, management and financeArena rating 1,4611,474
Arena (formerly LMArena)reportedCreative writingArena rating 1,4541,456
Arena (formerly LMArena)reportedExpert promptsArena rating 1,4981,516
Arena (formerly LMArena)reportedInstruction followingArena rating 1,4641,480
Arena (formerly LMArena)reportedOverallArena rating 1,4571,480
Arena (formerly LMArena)reportedWriting, literature and languageArena rating 1,4541,470
Artificial AnalysisreportedArtificial Analysis Coding Indexindex score 52.174.8
Artificial AnalysisreportedArtificial Analysis Intelligence Indexindex score 20.744.8
Artificial AnalysisreportedGPQA Diamond% of questions 83.4%91.7%
Artificial AnalysisreportedHumanity's Last Exam% of questions 17.8%42.3%
Artificial AnalysisreportedLong-context reasoning (AA-LCR)% of questions 72.3%79.7%
Artificial AnalysisreportedSciCode% of problems 45.7%59.0%
Artificial AnalysisreportedTerminal-Bench 2.1% of tasks 55.8%83.9%
Artificial AnalysisreportedTerminal-Bench 4.0% of tasks 0.0%41.9%
Artificial AnalysisreportedΤ-bench banking% of tasks 24.5%50.3%
SimpleQA Verified (Epoch AI)reportedCorrect answers% of questions 30.7%41.0%
Vending-Bench 2reportedMoney after a yearUS dollars $3,838.74$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.