GLM-4.5-Air 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 26 (42 point difference).GPT-5 mini wins 4 out of 4 categories.

Knowledge

GPT-5 mini

GLM-4.5-Air

32.8

GPT-5 mini

85

35
MMLU
88
34
GPQA
86
32
SuperGPQA
84
30
OpenBookQA
82

Coding

GPT-5 mini

GLM-4.5-Air

27

GPT-5 mini

80

27
HumanEval
80

Mathematics

GPT-5 mini

GLM-4.5-Air

34

GPT-5 mini

89

35
AIME 2023
90
37
AIME 2024
92
36
AIME 2025
91
31
HMMT Feb 2023
86
33
HMMT Feb 2024
88
32
HMMT Feb 2025
87
34
BRUMO 2025
89

Reasoning

GPT-5 mini

GLM-4.5-Air

32

GPT-5 mini

83

33
SimpleQA
84
31
MuSR
82

Frequently Asked Questions

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

GPT-5 mini scores higher overall with 68 vs 26, a difference of 42 points across all benchmarks.

Which is better for knowledge tasks, GLM-4.5-Air or GPT-5 mini?

GPT-5 mini leads in knowledge tasks with an average score of 85 vs 32.8.

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

GPT-5 mini leads in coding with an average score of 80 vs 27.

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

GPT-5 mini leads in math with an average score of 89 vs 34.

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

GPT-5 mini leads in reasoning with an average score of 83 vs 32.