benchlm.ai

Claude 4.1 Opus vs GLM-4.5-Air

Side-by-side benchmark comparison across knowledge, coding, math, and reasoning.

Quick Verdict

Claude 4.1 Opus wins overall with a score of 61 vs 26 (35 point difference).Claude 4.1 Opus wins 4 out of 4 categories.

Claude 4.1 Opus

CreatorAnthropic
TypeProprietary
Context200K
Score61

GLM-4.5-Air

CreatorTsinghua
TypeProprietary
Context128K
Score26

Knowledge

Claude 4.1 Opus

Claude 4.1 Opus

74.5

GLM-4.5-Air

32.8

76
MMLU
35
76
GPQA
34
74
SuperGPQA
32
72
OpenBookQA
30

Coding

Claude 4.1 Opus

Claude 4.1 Opus

68

GLM-4.5-Air

27

68
HumanEval
27

Mathematics

Claude 4.1 Opus

Claude 4.1 Opus

75

GLM-4.5-Air

34

76
AIME 2023
35
78
AIME 2024
37
77
AIME 2025
36
72
HMMT Feb 2023
31
74
HMMT Feb 2024
33
73
HMMT Feb 2025
32
75
BRUMO 2025
34

Reasoning

Claude 4.1 Opus

Claude 4.1 Opus

73

GLM-4.5-Air

32

74
SimpleQA
33
72
MuSR
31

Frequently Asked Questions

Which is better, Claude 4.1 Opus or GLM-4.5-Air?

Claude 4.1 Opus scores higher overall with 61 vs 26, a difference of 35 points across all benchmarks.

Which is better for knowledge tasks, Claude 4.1 Opus or GLM-4.5-Air?

Claude 4.1 Opus leads in knowledge tasks with an average score of 74.5 vs 32.8.

Which is better for coding, Claude 4.1 Opus or GLM-4.5-Air?

Claude 4.1 Opus leads in coding with an average score of 68 vs 27.

Which is better for math, Claude 4.1 Opus or GLM-4.5-Air?

Claude 4.1 Opus leads in math with an average score of 75 vs 34.

Which is better for reasoning, Claude 4.1 Opus or GLM-4.5-Air?

Claude 4.1 Opus leads in reasoning with an average score of 73 vs 32.

Related Comparisons

Claude 4.1 Opus vs GPT-5.4Claude 4.1 Opus vs Gemini 3.1 ProClaude 4.1 Opus vs Claude Opus 4.6Claude 4.1 Opus vs GPT-5.3 CodexClaude 4.1 Opus vs Grok 4.1Claude 4.1 Opus vs GPT-5.2