Claude 4.1 Opus vs GLM-4.5

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 28 (33 point difference).Claude 4.1 Opus wins 4 out of 4 categories.

Knowledge

Claude 4.1 Opus

Claude 4.1 Opus

74.5

GLM-4.5

34.8

76
MMLU
37
76
GPQA
36
74
SuperGPQA
34
72
OpenBookQA
32

Coding

Claude 4.1 Opus

Claude 4.1 Opus

68

GLM-4.5

29

68
HumanEval
29

Mathematics

Claude 4.1 Opus

Claude 4.1 Opus

75

GLM-4.5

36

76
AIME 2023
37
78
AIME 2024
39
77
AIME 2025
38
72
HMMT Feb 2023
33
74
HMMT Feb 2024
35
73
HMMT Feb 2025
34
75
BRUMO 2025
36

Reasoning

Claude 4.1 Opus

Claude 4.1 Opus

73

GLM-4.5

34

74
SimpleQA
35
72
MuSR
33

Frequently Asked Questions

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

Claude 4.1 Opus scores higher overall with 61 vs 28, a difference of 33 points across all benchmarks.

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

Claude 4.1 Opus leads in knowledge tasks with an average score of 74.5 vs 34.8.

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

Claude 4.1 Opus leads in coding with an average score of 68 vs 29.

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

Claude 4.1 Opus leads in math with an average score of 75 vs 36.

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

Claude 4.1 Opus leads in reasoning with an average score of 73 vs 34.