GLM-4.5-Air vs GLM-5

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

Quick Verdict

GLM-5 wins overall with a score of 68 vs 26 (42 point difference).GLM-5 wins 4 out of 4 categories.

Knowledge

GLM-5

GLM-4.5-Air

32.8

GLM-5

85

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

Coding

GLM-5

GLM-4.5-Air

27

GLM-5

80

27
HumanEval
80

Mathematics

GLM-5

GLM-4.5-Air

34

GLM-5

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

GLM-5

GLM-4.5-Air

32

GLM-5

83

33
SimpleQA
84
31
MuSR
82

Frequently Asked Questions

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

GLM-5 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 GLM-5?

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

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

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

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

GLM-5 leads in math with an average score of 87 vs 34.

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

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