GLM-4.5 vs GPT-5 mini

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

Quick Verdict

GPT-5 mini wins overall with a score of 68 vs 28 (40 point difference).GPT-5 mini wins 4 out of 4 categories.

Knowledge

GPT-5 mini

GLM-4.5

34.8

GPT-5 mini

85

37
MMLU
88
36
GPQA
86
34
SuperGPQA
84
32
OpenBookQA
82

Coding

GPT-5 mini

GLM-4.5

29

GPT-5 mini

80

29
HumanEval
80

Mathematics

GPT-5 mini

GLM-4.5

36

GPT-5 mini

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

GPT-5 mini

GLM-4.5

34

GPT-5 mini

83

35
SimpleQA
84
33
MuSR
82

Frequently Asked Questions

Which is better, GLM-4.5 or GPT-5 mini?

GPT-5 mini 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 GPT-5 mini?

GPT-5 mini leads in knowledge tasks with an average score of 85 vs 34.8.

Which is better for coding, GLM-4.5 or GPT-5 mini?

GPT-5 mini leads in coding with an average score of 80 vs 29.

Which is better for math, GLM-4.5 or GPT-5 mini?

GPT-5 mini leads in math with an average score of 89 vs 36.

Which is better for reasoning, GLM-4.5 or GPT-5 mini?

GPT-5 mini leads in reasoning with an average score of 83 vs 34.