GPT-4 Turbo vs Z-1

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

Quick Verdict

GPT-4 Turbo wins overall with a score of 50 vs 43 (7 point difference).GPT-4 Turbo wins 4 out of 4 categories.

Knowledge

GPT-4 Turbo

GPT-4 Turbo

58.5

Z-1

49.8

60
MMLU
52
60
GPQA
51
58
SuperGPQA
49
56
OpenBookQA
47

Coding

GPT-4 Turbo

GPT-4 Turbo

52

Z-1

44

52
HumanEval
44

Mathematics

GPT-4 Turbo

GPT-4 Turbo

59

Z-1

51

60
AIME 2023
52
62
AIME 2024
54
61
AIME 2025
53
56
HMMT Feb 2023
48
58
HMMT Feb 2024
50
57
HMMT Feb 2025
49
59
BRUMO 2025
51

Reasoning

GPT-4 Turbo

GPT-4 Turbo

57

Z-1

49

58
SimpleQA
50
56
MuSR
48

Frequently Asked Questions

Which is better, GPT-4 Turbo or Z-1?

GPT-4 Turbo scores higher overall with 50 vs 43, a difference of 7 points across all benchmarks.

Which is better for knowledge tasks, GPT-4 Turbo or Z-1?

GPT-4 Turbo leads in knowledge tasks with an average score of 58.5 vs 49.8.

Which is better for coding, GPT-4 Turbo or Z-1?

GPT-4 Turbo leads in coding with an average score of 52 vs 44.

Which is better for math, GPT-4 Turbo or Z-1?

GPT-4 Turbo leads in math with an average score of 59 vs 51.

Which is better for reasoning, GPT-4 Turbo or Z-1?

GPT-4 Turbo leads in reasoning with an average score of 57 vs 49.