GLM-5 vs GPT-5 (high)

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

Quick Verdict

GPT-5 (high) wins overall with a score of 72 vs 68 (4 point difference).GPT-5 (high) wins 4 out of 4 categories.

Knowledge

GPT-5 (high)

GLM-5

85

GPT-5 (high)

90

88
MMLU
93
86
GPQA
91
84
SuperGPQA
89
82
OpenBookQA
87

Coding

GPT-5 (high)

GLM-5

80

GPT-5 (high)

85

80
HumanEval
85

Mathematics

GPT-5 (high)

GLM-5

87

GPT-5 (high)

94

88
AIME 2023
95
90
AIME 2024
97
89
AIME 2025
96
84
HMMT Feb 2023
91
86
HMMT Feb 2024
93
85
HMMT Feb 2025
92
87
BRUMO 2025
94

Reasoning

GPT-5 (high)

GLM-5

83

GPT-5 (high)

88

84
SimpleQA
89
82
MuSR
87

Frequently Asked Questions

Which is better, GLM-5 or GPT-5 (high)?

GPT-5 (high) scores higher overall with 72 vs 68, a difference of 4 points across all benchmarks.

Which is better for knowledge tasks, GLM-5 or GPT-5 (high)?

GPT-5 (high) leads in knowledge tasks with an average score of 90 vs 85.

Which is better for coding, GLM-5 or GPT-5 (high)?

GPT-5 (high) leads in coding with an average score of 85 vs 80.

Which is better for math, GLM-5 or GPT-5 (high)?

GPT-5 (high) leads in math with an average score of 94 vs 87.

Which is better for reasoning, GLM-5 or GPT-5 (high)?

GPT-5 (high) leads in reasoning with an average score of 88 vs 83.