GLM-4.5-Air vs o3

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

Quick Verdict

o3 wins overall with a score of 67 vs 26 (41 point difference).o3 wins 4 out of 4 categories.

Knowledge

o3

GLM-4.5-Air

32.8

o3

85.3

35
MMLU
86
34
GPQA
87
32
SuperGPQA
85
30
OpenBookQA
83

Coding

o3

GLM-4.5-Air

27

o3

78

27
HumanEval
78

Mathematics

o3

GLM-4.5-Air

34

o3

87

35
AIME 2023
88
37
AIME 2024
90
36
AIME 2025
89
31
HMMT Feb 2023
84
33
HMMT Feb 2024
86
32
HMMT Feb 2025
85
34
BRUMO 2025
87

Reasoning

o3

GLM-4.5-Air

32

o3

83

33
SimpleQA
84
31
MuSR
82

Frequently Asked Questions

Which is better, GLM-4.5-Air or o3?

o3 scores higher overall with 67 vs 26, a difference of 41 points across all benchmarks.

Which is better for knowledge tasks, GLM-4.5-Air or o3?

o3 leads in knowledge tasks with an average score of 85.3 vs 32.8.

Which is better for coding, GLM-4.5-Air or o3?

o3 leads in coding with an average score of 78 vs 27.

Which is better for math, GLM-4.5-Air or o3?

o3 leads in math with an average score of 87 vs 34.

Which is better for reasoning, GLM-4.5-Air or o3?

o3 leads in reasoning with an average score of 83 vs 32.