benchlm.ai

Gemini 3.1 Pro vs Z-1

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

Quick Verdict

Gemini 3.1 Pro wins overall with a score of 87 vs 43 (44 point difference).Gemini 3.1 Pro wins 4 out of 4 categories.

Gemini 3.1 Pro

CreatorGoogle
TypeProprietary
Context1M
Score87

Z-1

CreatorZ
TypeProprietary
Context128K
Score43

Knowledge

Gemini 3.1 Pro

Gemini 3.1 Pro

96

Z-1

49.8

99
MMLU
52
97
GPQA
51
95
SuperGPQA
49
93
OpenBookQA
47

Coding

Gemini 3.1 Pro

Gemini 3.1 Pro

91

Z-1

44

91
HumanEval
44

Mathematics

Gemini 3.1 Pro

Gemini 3.1 Pro

97.1

Z-1

51

99
AIME 2023
52
99
AIME 2024
54
98
AIME 2025
53
95
HMMT Feb 2023
48
97
HMMT Feb 2024
50
96
HMMT Feb 2025
49
96
BRUMO 2025
51

Reasoning

Gemini 3.1 Pro

Gemini 3.1 Pro

94

Z-1

49

95
SimpleQA
50
93
MuSR
48

Frequently Asked Questions

Which is better, Gemini 3.1 Pro or Z-1?

Gemini 3.1 Pro scores higher overall with 87 vs 43, a difference of 44 points across all benchmarks.

Which is better for knowledge tasks, Gemini 3.1 Pro or Z-1?

Gemini 3.1 Pro leads in knowledge tasks with an average score of 96 vs 49.8.

Which is better for coding, Gemini 3.1 Pro or Z-1?

Gemini 3.1 Pro leads in coding with an average score of 91 vs 44.

Which is better for math, Gemini 3.1 Pro or Z-1?

Gemini 3.1 Pro leads in math with an average score of 97.1 vs 51.

Which is better for reasoning, Gemini 3.1 Pro or Z-1?

Gemini 3.1 Pro leads in reasoning with an average score of 94 vs 49.

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