benchlm.ai

GLM-5 (Reasoning) vs o3

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

Quick Verdict

GLM-5 (Reasoning) wins overall with a score of 75 vs 67 (8 point difference).GLM-5 (Reasoning) wins 4 out of 4 categories.

GLM-5 (Reasoning)

CreatorZhipu AI
TypeOpen Weight
Context200K
Score75

o3

CreatorOpenAI
TypeProprietary
Context200K
Score67

Knowledge

GLM-5 (Reasoning)

GLM-5 (Reasoning)

93

o3

85.3

96
MMLU
86
94
GPQA
87
92
SuperGPQA
85
90
OpenBookQA
83

Coding

GLM-5 (Reasoning)

GLM-5 (Reasoning)

88

o3

78

88
HumanEval
78

Mathematics

GLM-5 (Reasoning)

GLM-5 (Reasoning)

96.6

o3

87

98
AIME 2023
88
99
AIME 2024
90
98
AIME 2025
89
94
HMMT Feb 2023
84
96
HMMT Feb 2024
86
95
HMMT Feb 2025
85
96
BRUMO 2025
87

Reasoning

GLM-5 (Reasoning)

GLM-5 (Reasoning)

91

o3

83

92
SimpleQA
84
90
MuSR
82

Frequently Asked Questions

Which is better, GLM-5 (Reasoning) or o3?

GLM-5 (Reasoning) scores higher overall with 75 vs 67, a difference of 8 points across all benchmarks.

Which is better for knowledge tasks, GLM-5 (Reasoning) or o3?

GLM-5 (Reasoning) leads in knowledge tasks with an average score of 93 vs 85.3.

Which is better for coding, GLM-5 (Reasoning) or o3?

GLM-5 (Reasoning) leads in coding with an average score of 88 vs 78.

Which is better for math, GLM-5 (Reasoning) or o3?

GLM-5 (Reasoning) leads in math with an average score of 96.6 vs 87.

Which is better for reasoning, GLM-5 (Reasoning) or o3?

GLM-5 (Reasoning) leads in reasoning with an average score of 91 vs 83.

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