GLM-4.5 vs GPT-5.1

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

Quick Verdict

GPT-5.1 wins overall with a score of 76 vs 28 (48 point difference).GPT-5.1 wins 4 out of 4 categories.

Knowledge

GPT-5.1

GLM-4.5

34.8

GPT-5.1

94

37
MMLU
97
36
GPQA
95
34
SuperGPQA
93
32
OpenBookQA
91

Coding

GPT-5.1

GLM-4.5

29

GPT-5.1

89

29
HumanEval
89

Mathematics

GPT-5.1

GLM-4.5

36

GPT-5.1

97.1

37
AIME 2023
99
39
AIME 2024
99
38
AIME 2025
98
33
HMMT Feb 2023
95
35
HMMT Feb 2024
97
34
HMMT Feb 2025
96
36
BRUMO 2025
96

Reasoning

GPT-5.1

GLM-4.5

34

GPT-5.1

92

35
SimpleQA
93
33
MuSR
91

Frequently Asked Questions

Which is better, GLM-4.5 or GPT-5.1?

GPT-5.1 scores higher overall with 76 vs 28, a difference of 48 points across all benchmarks.

Which is better for knowledge tasks, GLM-4.5 or GPT-5.1?

GPT-5.1 leads in knowledge tasks with an average score of 94 vs 34.8.

Which is better for coding, GLM-4.5 or GPT-5.1?

GPT-5.1 leads in coding with an average score of 89 vs 29.

Which is better for math, GLM-4.5 or GPT-5.1?

GPT-5.1 leads in math with an average score of 97.1 vs 36.

Which is better for reasoning, GLM-4.5 or GPT-5.1?

GPT-5.1 leads in reasoning with an average score of 92 vs 34.