benchlm.ai

Gemini 3.1 Pro vs GPT-4o

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 56 (31 point difference).Gemini 3.1 Pro wins 4 out of 4 categories.

Gemini 3.1 Pro

CreatorGoogle
TypeProprietary
Context1M
Score87

GPT-4o

CreatorOpenAI
TypeProprietary
Context128K
Score56

Knowledge

Gemini 3.1 Pro

Gemini 3.1 Pro

96

GPT-4o

64.5

99
MMLU
66
97
GPQA
66
95
SuperGPQA
64
93
OpenBookQA
62

Coding

Gemini 3.1 Pro

Gemini 3.1 Pro

91

GPT-4o

58

91
HumanEval
58

Mathematics

Gemini 3.1 Pro

Gemini 3.1 Pro

97.1

GPT-4o

65

99
AIME 2023
66
99
AIME 2024
68
98
AIME 2025
67
95
HMMT Feb 2023
62
97
HMMT Feb 2024
64
96
HMMT Feb 2025
63
96
BRUMO 2025
65

Reasoning

Gemini 3.1 Pro

Gemini 3.1 Pro

94

GPT-4o

63

95
SimpleQA
64
93
MuSR
62

Frequently Asked Questions

Which is better, Gemini 3.1 Pro or GPT-4o?

Gemini 3.1 Pro scores higher overall with 87 vs 56, a difference of 31 points across all benchmarks.

Which is better for knowledge tasks, Gemini 3.1 Pro or GPT-4o?

Gemini 3.1 Pro leads in knowledge tasks with an average score of 96 vs 64.5.

Which is better for coding, Gemini 3.1 Pro or GPT-4o?

Gemini 3.1 Pro leads in coding with an average score of 91 vs 58.

Which is better for math, Gemini 3.1 Pro or GPT-4o?

Gemini 3.1 Pro leads in math with an average score of 97.1 vs 65.

Which is better for reasoning, Gemini 3.1 Pro or GPT-4o?

Gemini 3.1 Pro leads in reasoning with an average score of 94 vs 63.

Related Comparisons

Gemini 3.1 Pro vs GPT-5.4Gemini 3.1 Pro vs Claude Opus 4.6Gemini 3.1 Pro vs GPT-5.3 CodexGemini 3.1 Pro vs Grok 4.1Gemini 3.1 Pro vs GPT-5.2Gemini 3.1 Pro vs GPT-5.2-Codex