Compare / Grok 4.5 vs GLM 5.3 Flash

Grok 4.5 vs GLM 5.3 Flash

22 results from 4 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 Flash
Z.ai · profile
Results compared
22
Shared sources
4
BenchmarkMetricGrok 4.5GLM 5.3 Flash
APEX-AgentsreportedTasks passed% of tasks 56.2%52.8%
Arena (formerly LMArena)reportedConfirmed task successIPS effect estimate -0.010.07
Arena (formerly LMArena)reportedPraise over complaintIPS effect estimate -0.03-0.00
Arena (formerly LMArena)reportedSteerabilityIPS effect estimate 0.04-0.01
Arena (formerly LMArena)reportedTool groundingIPS effect estimate 0.000.00
Arena (formerly LMArena)reportedOverallArena rating 1,4651,467
Arena (formerly LMArena)reportedBusiness, management and financeArena rating 1,4651,463
Arena (formerly LMArena)reportedCreative writingArena rating 1,4521,433
Arena (formerly LMArena)reportedExpert promptsArena rating 1,4881,510
Arena (formerly LMArena)reportedInstruction followingArena rating 1,4621,474
Arena (formerly LMArena)reportedOverallArena rating 1,4651,474
Arena (formerly LMArena)reportedWriting, literature and languageArena rating 1,4591,450
Artificial AnalysisreportedArtificial Analysis Coding Indexindex score 72.471.5
Artificial AnalysisreportedArtificial Analysis Intelligence Indexindex score 38.841.8
Artificial AnalysisreportedGPQA Diamond% of questions 93.1%91.2%
Artificial AnalysisreportedHumanity's Last Exam% of questions 42.7%39.9%
Artificial AnalysisreportedLong-context reasoning (AA-LCR)% of questions 79.3%80.0%
Artificial AnalysisreportedSciCode% of problems 55.0%51.6%
Artificial AnalysisreportedTerminal-Bench 2.1% of tasks 81.6%84.3%
Artificial AnalysisreportedTerminal-Bench 4.0% of tasks 10.6%32.8%
Artificial AnalysisreportedΤ-bench banking% of tasks 42.1%47.2%
GDP.pdfreportedProfessional document tasks% of rubric 14.0%14.0%

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.