Compare / Grok 4.5 vs GLM 5.3

Grok 4.5 vs GLM 5.3

23 results from 5 sources that measured both models. Each row is in the source's own units; there is no overall winner.

Grok 4.5
xAI · profile
GLM 5.3
Z.ai · profile
Results compared
23
Shared sources
5
BenchmarkMetricGrok 4.5GLM 5.3
APEX-AgentsreportedTasks passed% of tasks 56.2%56.6%
Arena (formerly LMArena)reportedConfirmed task successIPS effect estimate -0.010.06
Arena (formerly LMArena)reportedPraise over complaintIPS effect estimate -0.030.06
Arena (formerly LMArena)reportedSteerabilityIPS effect estimate 0.040.03
Arena (formerly LMArena)reportedTool groundingIPS effect estimate 0.000.00
Arena (formerly LMArena)reportedOverallArena rating 1,4651,468
Arena (formerly LMArena)reportedBusiness, management and financeArena rating 1,4651,474
Arena (formerly LMArena)reportedCreative writingArena rating 1,4521,456
Arena (formerly LMArena)reportedExpert promptsArena rating 1,4881,516
Arena (formerly LMArena)reportedInstruction followingArena rating 1,4621,480
Arena (formerly LMArena)reportedOverallArena rating 1,4651,480
Arena (formerly LMArena)reportedWriting, literature and languageArena rating 1,4591,470
Artificial AnalysisreportedArtificial Analysis Coding Indexindex score 72.474.8
Artificial AnalysisreportedArtificial Analysis Intelligence Indexindex score 38.844.8
Artificial AnalysisreportedGPQA Diamond% of questions 93.1%91.7%
Artificial AnalysisreportedHumanity's Last Exam% of questions 42.7%42.3%
Artificial AnalysisreportedLong-context reasoning (AA-LCR)% of questions 79.3%79.7%
Artificial AnalysisreportedSciCode% of problems 55.0%59.0%
Artificial AnalysisreportedTerminal-Bench 2.1% of tasks 81.6%83.9%
Artificial AnalysisreportedTerminal-Bench 4.0% of tasks 10.6%41.9%
Artificial AnalysisreportedΤ-bench banking% of tasks 42.1%50.3%
SimpleQA Verified (Epoch AI)reportedCorrect answers% of questions 48.3%41.0%
Vending-Bench 2reportedMoney after a yearUS dollars $3,887.43$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.