GLM-4.5 vs Z-1

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

Quick Verdict

Z-1 wins overall with a score of 43 vs 28 (15 point difference).Z-1 wins 4 out of 4 categories.

Knowledge

Z-1

GLM-4.5

34.8

Z-1

49.8

37
MMLU
52
36
GPQA
51
34
SuperGPQA
49
32
OpenBookQA
47

Coding

Z-1

GLM-4.5

29

Z-1

44

29
HumanEval
44

Mathematics

Z-1

GLM-4.5

36

Z-1

51

37
AIME 2023
52
39
AIME 2024
54
38
AIME 2025
53
33
HMMT Feb 2023
48
35
HMMT Feb 2024
50
34
HMMT Feb 2025
49
36
BRUMO 2025
51

Reasoning

Z-1

GLM-4.5

34

Z-1

49

35
SimpleQA
50
33
MuSR
48

Frequently Asked Questions

Which is better, GLM-4.5 or Z-1?

Z-1 scores higher overall with 43 vs 28, a difference of 15 points across all benchmarks.

Which is better for knowledge tasks, GLM-4.5 or Z-1?

Z-1 leads in knowledge tasks with an average score of 49.8 vs 34.8.

Which is better for coding, GLM-4.5 or Z-1?

Z-1 leads in coding with an average score of 44 vs 29.

Which is better for math, GLM-4.5 or Z-1?

Z-1 leads in math with an average score of 51 vs 36.

Which is better for reasoning, GLM-4.5 or Z-1?

Z-1 leads in reasoning with an average score of 49 vs 34.