benchlm.ai

Claude Sonnet 4.5 vs GLM-4.5

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

Quick Verdict

Claude Sonnet 4.5 wins overall with a score of 74 vs 28 (46 point difference).Claude Sonnet 4.5 wins 4 out of 4 categories.

Claude Sonnet 4.5

CreatorAnthropic
TypeProprietary
Context1M
Score74

GLM-4.5

CreatorTsinghua
TypeProprietary
Context128K
Score28

Knowledge

Claude Sonnet 4.5

Claude Sonnet 4.5

92

GLM-4.5

34.8

95
MMLU
37
93
GPQA
36
91
SuperGPQA
34
89
OpenBookQA
32

Coding

Claude Sonnet 4.5

Claude Sonnet 4.5

87

GLM-4.5

29

87
HumanEval
29

Mathematics

Claude Sonnet 4.5

Claude Sonnet 4.5

96

GLM-4.5

36

97
AIME 2023
37
99
AIME 2024
39
98
AIME 2025
38
93
HMMT Feb 2023
33
95
HMMT Feb 2024
35
94
HMMT Feb 2025
34
96
BRUMO 2025
36

Reasoning

Claude Sonnet 4.5

Claude Sonnet 4.5

90

GLM-4.5

34

91
SimpleQA
35
89
MuSR
33

Frequently Asked Questions

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

Claude Sonnet 4.5 scores higher overall with 74 vs 28, a difference of 46 points across all benchmarks.

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

Claude Sonnet 4.5 leads in knowledge tasks with an average score of 92 vs 34.8.

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

Claude Sonnet 4.5 leads in coding with an average score of 87 vs 29.

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

Claude Sonnet 4.5 leads in math with an average score of 96 vs 36.

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

Claude Sonnet 4.5 leads in reasoning with an average score of 90 vs 34.

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