Claude 3 Opus vs GLM-4.5-Air

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

Quick Verdict

Claude 3 Opus wins overall with a score of 51 vs 26 (25 point difference).Claude 3 Opus wins 4 out of 4 categories.

Knowledge

Claude 3 Opus

Claude 3 Opus

59.5

GLM-4.5-Air

32.8

61
MMLU
35
61
GPQA
34
59
SuperGPQA
32
57
OpenBookQA
30

Coding

Claude 3 Opus

Claude 3 Opus

53

GLM-4.5-Air

27

53
HumanEval
27

Mathematics

Claude 3 Opus

Claude 3 Opus

60

GLM-4.5-Air

34

61
AIME 2023
35
63
AIME 2024
37
62
AIME 2025
36
57
HMMT Feb 2023
31
59
HMMT Feb 2024
33
58
HMMT Feb 2025
32
60
BRUMO 2025
34

Reasoning

Claude 3 Opus

Claude 3 Opus

58

GLM-4.5-Air

32

59
SimpleQA
33
57
MuSR
31

Frequently Asked Questions

Which is better, Claude 3 Opus or GLM-4.5-Air?

Claude 3 Opus scores higher overall with 51 vs 26, a difference of 25 points across all benchmarks.

Which is better for knowledge tasks, Claude 3 Opus or GLM-4.5-Air?

Claude 3 Opus leads in knowledge tasks with an average score of 59.5 vs 32.8.

Which is better for coding, Claude 3 Opus or GLM-4.5-Air?

Claude 3 Opus leads in coding with an average score of 53 vs 27.

Which is better for math, Claude 3 Opus or GLM-4.5-Air?

Claude 3 Opus leads in math with an average score of 60 vs 34.

Which is better for reasoning, Claude 3 Opus or GLM-4.5-Air?

Claude 3 Opus leads in reasoning with an average score of 58 vs 32.