benchlm.ai

Gemini 1.5 Pro vs Z-1

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

Quick Verdict

Gemini 1.5 Pro wins overall with a score of 54 vs 43 (11 point difference).Gemini 1.5 Pro wins 4 out of 4 categories.

Gemini 1.5 Pro

CreatorGoogle
TypeProprietary
Context2M
Score54

Z-1

CreatorZ
TypeProprietary
Context128K
Score43

Knowledge

Gemini 1.5 Pro

Gemini 1.5 Pro

62.5

Z-1

49.8

64
MMLU
52
64
GPQA
51
62
SuperGPQA
49
60
OpenBookQA
47

Coding

Gemini 1.5 Pro

Gemini 1.5 Pro

56

Z-1

44

56
HumanEval
44

Mathematics

Gemini 1.5 Pro

Gemini 1.5 Pro

63

Z-1

51

64
AIME 2023
52
66
AIME 2024
54
65
AIME 2025
53
60
HMMT Feb 2023
48
62
HMMT Feb 2024
50
61
HMMT Feb 2025
49
63
BRUMO 2025
51

Reasoning

Gemini 1.5 Pro

Gemini 1.5 Pro

61

Z-1

49

62
SimpleQA
50
60
MuSR
48

Frequently Asked Questions

Which is better, Gemini 1.5 Pro or Z-1?

Gemini 1.5 Pro scores higher overall with 54 vs 43, a difference of 11 points across all benchmarks.

Which is better for knowledge tasks, Gemini 1.5 Pro or Z-1?

Gemini 1.5 Pro leads in knowledge tasks with an average score of 62.5 vs 49.8.

Which is better for coding, Gemini 1.5 Pro or Z-1?

Gemini 1.5 Pro leads in coding with an average score of 56 vs 44.

Which is better for math, Gemini 1.5 Pro or Z-1?

Gemini 1.5 Pro leads in math with an average score of 63 vs 51.

Which is better for reasoning, Gemini 1.5 Pro or Z-1?

Gemini 1.5 Pro leads in reasoning with an average score of 61 vs 49.

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