benchlm.ai

GLM-5 (Reasoning) vs GPT-5 (high)

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

Quick Verdict

GLM-5 (Reasoning) wins overall with a score of 75 vs 72 (3 point difference).GLM-5 (Reasoning) wins 4 out of 4 categories.

GLM-5 (Reasoning)

CreatorZhipu AI
TypeOpen Weight
Context200K
Score75

GPT-5 (high)

CreatorOpenAI
TypeProprietary
Context128K
Score72

Knowledge

GLM-5 (Reasoning)

GLM-5 (Reasoning)

93

GPT-5 (high)

90

96
MMLU
93
94
GPQA
91
92
SuperGPQA
89
90
OpenBookQA
87

Coding

GLM-5 (Reasoning)

GLM-5 (Reasoning)

88

GPT-5 (high)

85

88
HumanEval
85

Mathematics

GLM-5 (Reasoning)

GLM-5 (Reasoning)

96.6

GPT-5 (high)

94

98
AIME 2023
95
99
AIME 2024
97
98
AIME 2025
96
94
HMMT Feb 2023
91
96
HMMT Feb 2024
93
95
HMMT Feb 2025
92
96
BRUMO 2025
94

Reasoning

GLM-5 (Reasoning)

GLM-5 (Reasoning)

91

GPT-5 (high)

88

92
SimpleQA
89
90
MuSR
87

Frequently Asked Questions

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

GLM-5 (Reasoning) scores higher overall with 75 vs 72, a difference of 3 points across all benchmarks.

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

GLM-5 (Reasoning) leads in knowledge tasks with an average score of 93 vs 90.

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

GLM-5 (Reasoning) leads in coding with an average score of 88 vs 85.

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

GLM-5 (Reasoning) leads in math with an average score of 96.6 vs 94.

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

GLM-5 (Reasoning) leads in reasoning with an average score of 91 vs 88.

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