benchlm.ai

GLM-4.5 vs o1-preview

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

Quick Verdict

o1-preview wins overall with a score of 71 vs 28 (43 point difference).o1-preview wins 4 out of 4 categories.

GLM-4.5

CreatorTsinghua
TypeProprietary
Context128K
Score28

o1-preview

CreatorOpenAI
TypeProprietary
Context200K
Score71

Knowledge

o1-preview

GLM-4.5

34.8

o1-preview

89

37
MMLU
92
36
GPQA
90
34
SuperGPQA
88
32
OpenBookQA
86

Coding

o1-preview

GLM-4.5

29

o1-preview

86

29
HumanEval
86

Mathematics

o1-preview

GLM-4.5

36

o1-preview

93

37
AIME 2023
94
39
AIME 2024
96
38
AIME 2025
95
33
HMMT Feb 2023
90
35
HMMT Feb 2024
92
34
HMMT Feb 2025
91
36
BRUMO 2025
93

Reasoning

o1-preview

GLM-4.5

34

o1-preview

87

35
SimpleQA
88
33
MuSR
86

Frequently Asked Questions

Which is better, GLM-4.5 or o1-preview?

o1-preview scores higher overall with 71 vs 28, a difference of 43 points across all benchmarks.

Which is better for knowledge tasks, GLM-4.5 or o1-preview?

o1-preview leads in knowledge tasks with an average score of 89 vs 34.8.

Which is better for coding, GLM-4.5 or o1-preview?

o1-preview leads in coding with an average score of 86 vs 29.

Which is better for math, GLM-4.5 or o1-preview?

o1-preview leads in math with an average score of 93 vs 36.

Which is better for reasoning, GLM-4.5 or o1-preview?

o1-preview leads in reasoning with an average score of 87 vs 34.

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