benchlm.ai

Gemini 3.1 Pro vs GPT-5 (high)

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 72 (15 point difference).Gemini 3.1 Pro wins 4 out of 4 categories.

Gemini 3.1 Pro

CreatorGoogle
TypeProprietary
Context1M
Score87

GPT-5 (high)

CreatorOpenAI
TypeProprietary
Context128K
Score72

Knowledge

Gemini 3.1 Pro

Gemini 3.1 Pro

96

GPT-5 (high)

90

99
MMLU
93
97
GPQA
91
95
SuperGPQA
89
93
OpenBookQA
87

Coding

Gemini 3.1 Pro

Gemini 3.1 Pro

91

GPT-5 (high)

85

91
HumanEval
85

Mathematics

Gemini 3.1 Pro

Gemini 3.1 Pro

97.1

GPT-5 (high)

94

99
AIME 2023
95
99
AIME 2024
97
98
AIME 2025
96
95
HMMT Feb 2023
91
97
HMMT Feb 2024
93
96
HMMT Feb 2025
92
96
BRUMO 2025
94

Reasoning

Gemini 3.1 Pro

Gemini 3.1 Pro

94

GPT-5 (high)

88

95
SimpleQA
89
93
MuSR
87

Frequently Asked Questions

Which is better, Gemini 3.1 Pro or GPT-5 (high)?

Gemini 3.1 Pro scores higher overall with 87 vs 72, a difference of 15 points across all benchmarks.

Which is better for knowledge tasks, Gemini 3.1 Pro or GPT-5 (high)?

Gemini 3.1 Pro leads in knowledge tasks with an average score of 96 vs 90.

Which is better for coding, Gemini 3.1 Pro or GPT-5 (high)?

Gemini 3.1 Pro leads in coding with an average score of 91 vs 85.

Which is better for math, Gemini 3.1 Pro or GPT-5 (high)?

Gemini 3.1 Pro leads in math with an average score of 97.1 vs 94.

Which is better for reasoning, Gemini 3.1 Pro or GPT-5 (high)?

Gemini 3.1 Pro leads in reasoning with an average score of 94 vs 88.

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