GLM-5 vs GPT-4o

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

Quick Verdict

GLM-5 wins overall with a score of 68 vs 56 (12 point difference).GLM-5 wins 4 out of 4 categories.

Knowledge

GLM-5

GLM-5

85

GPT-4o

64.5

88
MMLU
66
86
GPQA
66
84
SuperGPQA
64
82
OpenBookQA
62

Coding

GLM-5

GLM-5

80

GPT-4o

58

80
HumanEval
58

Mathematics

GLM-5

GLM-5

87

GPT-4o

65

88
AIME 2023
66
90
AIME 2024
68
89
AIME 2025
67
84
HMMT Feb 2023
62
86
HMMT Feb 2024
64
85
HMMT Feb 2025
63
87
BRUMO 2025
65

Reasoning

GLM-5

GLM-5

83

GPT-4o

63

84
SimpleQA
64
82
MuSR
62

Frequently Asked Questions

Which is better, GLM-5 or GPT-4o?

GLM-5 scores higher overall with 68 vs 56, a difference of 12 points across all benchmarks.

Which is better for knowledge tasks, GLM-5 or GPT-4o?

GLM-5 leads in knowledge tasks with an average score of 85 vs 64.5.

Which is better for coding, GLM-5 or GPT-4o?

GLM-5 leads in coding with an average score of 80 vs 58.

Which is better for math, GLM-5 or GPT-4o?

GLM-5 leads in math with an average score of 87 vs 65.

Which is better for reasoning, GLM-5 or GPT-4o?

GLM-5 leads in reasoning with an average score of 83 vs 63.