GLM-4.5 vs o3-pro

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

Quick Verdict

o3-pro wins overall with a score of 68 vs 28 (40 point difference).o3-pro wins 4 out of 4 categories.

Knowledge

o3-pro

GLM-4.5

34.8

o3-pro

87.3

37
MMLU
88
36
GPQA
89
34
SuperGPQA
87
32
OpenBookQA
85

Coding

o3-pro

GLM-4.5

29

o3-pro

80

29
HumanEval
80

Mathematics

o3-pro

GLM-4.5

36

o3-pro

89

37
AIME 2023
90
39
AIME 2024
92
38
AIME 2025
91
33
HMMT Feb 2023
86
35
HMMT Feb 2024
88
34
HMMT Feb 2025
87
36
BRUMO 2025
89

Reasoning

o3-pro

GLM-4.5

34

o3-pro

85

35
SimpleQA
86
33
MuSR
84

Frequently Asked Questions

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

o3-pro scores higher overall with 68 vs 28, a difference of 40 points across all benchmarks.

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

o3-pro leads in knowledge tasks with an average score of 87.3 vs 34.8.

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

o3-pro leads in coding with an average score of 80 vs 29.

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

o3-pro leads in math with an average score of 89 vs 36.

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

o3-pro leads in reasoning with an average score of 85 vs 34.