Compare / Claude Opus 4.5 vs GLM 5

Claude Opus 4.5 vs GLM 5

24 results from 5 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
Z.ai · profile
Results compared
24
Shared sources
5
BenchmarkMetricClaude Opus 4.5GLM 5
Arena (formerly LMArena)reportedOverallArena rating 1,4591,452
Arena (formerly LMArena)reportedBusiness, management and financeArena rating 1,4721,451
Arena (formerly LMArena)reportedCreative writingArena rating 1,4691,447
Arena (formerly LMArena)reportedExpert promptsArena rating 1,5031,481
Arena (formerly LMArena)reportedInstruction followingArena rating 1,4831,446
Arena (formerly LMArena)reportedOverallArena rating 1,4741,457
Arena (formerly LMArena)reportedWriting, literature and languageArena rating 1,4671,447
OpenHands IndexreportedAverage% resolved 60.6%49.4%
OpenHands IndexreportedFront end (SWE-Bench Multimodal)% resolved 41.2%35.3%
OpenHands IndexreportedGreenfield (Commit0)% resolved 37.5%31.2%
OpenHands IndexreportedInformation gathering (GAIA)% resolved 69.1%60.0%
OpenHands IndexreportedIssue resolution (SWE-Bench)% resolved 76.6%73.4%
OpenHands IndexreportedTesting (SWT-Bench)% resolved 78.5%47.3%
tau2-benchreportedConsistency (pass^4)% of tasks 70.0%70.0%
tau2-benchreportedTask success (pass^1)% of tasks 84.0%82.5%
tau2-benchreportedConsistency (pass^4)% of tasks 51.8%43.9%
tau2-benchreportedTask success (pass^1)% of tasks 79.6%73.7%
tau2-benchreportedConsistency (pass^4)% of tasks 78.1%62.3%
tau2-benchreportedTask success (pass^1)% of tasks 92.3%86.8%
UGI LeaderboardreportedRequested-length error% off the requested word count 3.0%34.0%
UGI LeaderboardreportedStyle adherencescore from 0 to 1 0.390.40
UGI LeaderboardreportedWriting scorescore out of 100 70.455.0
Vectara Hallucination LeaderboardreportedAnswer rate% of documents 98.7%99.7%
Vectara Hallucination LeaderboardreportedHallucination rate% of summaries 10.9%10.1%

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.