benchlm.ai

GLM-5 (Reasoning) vs GPT-4o

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

Quick Verdict

GLM-5 (Reasoning) wins overall with a score of 75 vs 56 (19 point difference).GLM-5 (Reasoning) wins 4 out of 4 categories.

GLM-5 (Reasoning)

CreatorZhipu AI
TypeOpen Weight
Context200K
Score75

GPT-4o

CreatorOpenAI
TypeProprietary
Context128K
Score56

Knowledge

GLM-5 (Reasoning)

GLM-5 (Reasoning)

93

GPT-4o

64.5

96
MMLU
66
94
GPQA
66
92
SuperGPQA
64
90
OpenBookQA
62

Coding

GLM-5 (Reasoning)

GLM-5 (Reasoning)

88

GPT-4o

58

88
HumanEval
58

Mathematics

GLM-5 (Reasoning)

GLM-5 (Reasoning)

96.6

GPT-4o

65

98
AIME 2023
66
99
AIME 2024
68
98
AIME 2025
67
94
HMMT Feb 2023
62
96
HMMT Feb 2024
64
95
HMMT Feb 2025
63
96
BRUMO 2025
65

Reasoning

GLM-5 (Reasoning)

GLM-5 (Reasoning)

91

GPT-4o

63

92
SimpleQA
64
90
MuSR
62

Frequently Asked Questions

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

GLM-5 (Reasoning) scores higher overall with 75 vs 56, a difference of 19 points across all benchmarks.

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

GLM-5 (Reasoning) leads in knowledge tasks with an average score of 93 vs 64.5.

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

GLM-5 (Reasoning) leads in coding with an average score of 88 vs 58.

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

GLM-5 (Reasoning) leads in math with an average score of 96.6 vs 65.

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

GLM-5 (Reasoning) leads in reasoning with an average score of 91 vs 63.

Related Comparisons

GLM-5 (Reasoning) vs GPT-5.4GLM-5 (Reasoning) vs Gemini 3.1 ProGLM-5 (Reasoning) vs Claude Opus 4.6GLM-5 (Reasoning) vs GPT-5.3 CodexGLM-5 (Reasoning) vs Grok 4.1GLM-5 (Reasoning) vs GPT-5.2