benchlm.ai

GLM-4.5-Air 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 26 (45 point difference).o1-preview wins 4 out of 4 categories.

GLM-4.5-Air

CreatorTsinghua
TypeProprietary
Context128K
Score26

o1-preview

CreatorOpenAI
TypeProprietary
Context200K
Score71

Knowledge

o1-preview

GLM-4.5-Air

32.8

o1-preview

89

35
MMLU
92
34
GPQA
90
32
SuperGPQA
88
30
OpenBookQA
86

Coding

o1-preview

GLM-4.5-Air

27

o1-preview

86

27
HumanEval
86

Mathematics

o1-preview

GLM-4.5-Air

34

o1-preview

93

35
AIME 2023
94
37
AIME 2024
96
36
AIME 2025
95
31
HMMT Feb 2023
90
33
HMMT Feb 2024
92
32
HMMT Feb 2025
91
34
BRUMO 2025
93

Reasoning

o1-preview

GLM-4.5-Air

32

o1-preview

87

33
SimpleQA
88
31
MuSR
86

Frequently Asked Questions

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

o1-preview scores higher overall with 71 vs 26, a difference of 45 points across all benchmarks.

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

o1-preview leads in knowledge tasks with an average score of 89 vs 32.8.

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

o1-preview leads in coding with an average score of 86 vs 27.

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

o1-preview leads in math with an average score of 93 vs 34.

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

o1-preview leads in reasoning with an average score of 87 vs 32.

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