Claude 4 Sonnet vs GLM-4.5

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

Quick Verdict

Claude 4 Sonnet wins overall with a score of 59 vs 28 (31 point difference).Claude 4 Sonnet wins 4 out of 4 categories.

Knowledge

Claude 4 Sonnet

Claude 4 Sonnet

71.5

GLM-4.5

34.8

73
MMLU
37
73
GPQA
36
71
SuperGPQA
34
69
OpenBookQA
32

Coding

Claude 4 Sonnet

Claude 4 Sonnet

65

GLM-4.5

29

65
HumanEval
29

Mathematics

Claude 4 Sonnet

Claude 4 Sonnet

72

GLM-4.5

36

73
AIME 2023
37
75
AIME 2024
39
74
AIME 2025
38
69
HMMT Feb 2023
33
71
HMMT Feb 2024
35
70
HMMT Feb 2025
34
72
BRUMO 2025
36

Reasoning

Claude 4 Sonnet

Claude 4 Sonnet

70

GLM-4.5

34

71
SimpleQA
35
69
MuSR
33

Frequently Asked Questions

Which is better, Claude 4 Sonnet or GLM-4.5?

Claude 4 Sonnet scores higher overall with 59 vs 28, a difference of 31 points across all benchmarks.

Which is better for knowledge tasks, Claude 4 Sonnet or GLM-4.5?

Claude 4 Sonnet leads in knowledge tasks with an average score of 71.5 vs 34.8.

Which is better for coding, Claude 4 Sonnet or GLM-4.5?

Claude 4 Sonnet leads in coding with an average score of 65 vs 29.

Which is better for math, Claude 4 Sonnet or GLM-4.5?

Claude 4 Sonnet leads in math with an average score of 72 vs 36.

Which is better for reasoning, Claude 4 Sonnet or GLM-4.5?

Claude 4 Sonnet leads in reasoning with an average score of 70 vs 34.