benchlm.ai

GLM-4.5 vs GPT-5 (medium)

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

Quick Verdict

GPT-5 (medium) wins overall with a score of 70 vs 28 (42 point difference).GPT-5 (medium) wins 4 out of 4 categories.

GLM-4.5

CreatorTsinghua
TypeProprietary
Context128K
Score28

GPT-5 (medium)

CreatorOpenAI
TypeProprietary
Context128K
Score70

Knowledge

GPT-5 (medium)

GLM-4.5

34.8

GPT-5 (medium)

88

37
MMLU
91
36
GPQA
89
34
SuperGPQA
87
32
OpenBookQA
85

Coding

GPT-5 (medium)

GLM-4.5

29

GPT-5 (medium)

83

29
HumanEval
83

Mathematics

GPT-5 (medium)

GLM-4.5

36

GPT-5 (medium)

92

37
AIME 2023
93
39
AIME 2024
95
38
AIME 2025
94
33
HMMT Feb 2023
89
35
HMMT Feb 2024
91
34
HMMT Feb 2025
90
36
BRUMO 2025
92

Reasoning

GPT-5 (medium)

GLM-4.5

34

GPT-5 (medium)

86

35
SimpleQA
87
33
MuSR
85

Frequently Asked Questions

Which is better, GLM-4.5 or GPT-5 (medium)?

GPT-5 (medium) scores higher overall with 70 vs 28, a difference of 42 points across all benchmarks.

Which is better for knowledge tasks, GLM-4.5 or GPT-5 (medium)?

GPT-5 (medium) leads in knowledge tasks with an average score of 88 vs 34.8.

Which is better for coding, GLM-4.5 or GPT-5 (medium)?

GPT-5 (medium) leads in coding with an average score of 83 vs 29.

Which is better for math, GLM-4.5 or GPT-5 (medium)?

GPT-5 (medium) leads in math with an average score of 92 vs 36.

Which is better for reasoning, GLM-4.5 or GPT-5 (medium)?

GPT-5 (medium) leads in reasoning with an average score of 86 vs 34.

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