Claude 3 Opus vs GLM-4.5

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

Quick Verdict

Claude 3 Opus wins overall with a score of 51 vs 28 (23 point difference).Claude 3 Opus wins 4 out of 4 categories.

Knowledge

Claude 3 Opus

Claude 3 Opus

59.5

GLM-4.5

34.8

61
MMLU
37
61
GPQA
36
59
SuperGPQA
34
57
OpenBookQA
32

Coding

Claude 3 Opus

Claude 3 Opus

53

GLM-4.5

29

53
HumanEval
29

Mathematics

Claude 3 Opus

Claude 3 Opus

60

GLM-4.5

36

61
AIME 2023
37
63
AIME 2024
39
62
AIME 2025
38
57
HMMT Feb 2023
33
59
HMMT Feb 2024
35
58
HMMT Feb 2025
34
60
BRUMO 2025
36

Reasoning

Claude 3 Opus

Claude 3 Opus

58

GLM-4.5

34

59
SimpleQA
35
57
MuSR
33

Frequently Asked Questions

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

Claude 3 Opus scores higher overall with 51 vs 28, a difference of 23 points across all benchmarks.

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

Claude 3 Opus leads in knowledge tasks with an average score of 59.5 vs 34.8.

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

Claude 3 Opus leads in coding with an average score of 53 vs 29.

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

Claude 3 Opus leads in math with an average score of 60 vs 36.

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

Claude 3 Opus leads in reasoning with an average score of 58 vs 34.