benchlm.ai

Gemini 3.1 Pro vs Gemini 3 Flash

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 58 (29 point difference).Gemini 3.1 Pro wins 4 out of 4 categories.

Gemini 3.1 Pro

CreatorGoogle
TypeProprietary
Context1M
Score87

Gemini 3 Flash

CreatorGoogle
TypeProprietary
Context1M
Score58

Knowledge

Gemini 3.1 Pro

Gemini 3.1 Pro

96

Gemini 3 Flash

67.8

99
MMLU
70
97
GPQA
69
95
SuperGPQA
67
93
OpenBookQA
65

Coding

Gemini 3.1 Pro

Gemini 3.1 Pro

91

Gemini 3 Flash

62

91
HumanEval
62

Mathematics

Gemini 3.1 Pro

Gemini 3.1 Pro

97.1

Gemini 3 Flash

69

99
AIME 2023
70
99
AIME 2024
72
98
AIME 2025
71
95
HMMT Feb 2023
66
97
HMMT Feb 2024
68
96
HMMT Feb 2025
67
96
BRUMO 2025
69

Reasoning

Gemini 3.1 Pro

Gemini 3.1 Pro

94

Gemini 3 Flash

66

95
SimpleQA
67
93
MuSR
65

Frequently Asked Questions

Which is better, Gemini 3.1 Pro or Gemini 3 Flash?

Gemini 3.1 Pro scores higher overall with 87 vs 58, a difference of 29 points across all benchmarks.

Which is better for knowledge tasks, Gemini 3.1 Pro or Gemini 3 Flash?

Gemini 3.1 Pro leads in knowledge tasks with an average score of 96 vs 67.8.

Which is better for coding, Gemini 3.1 Pro or Gemini 3 Flash?

Gemini 3.1 Pro leads in coding with an average score of 91 vs 62.

Which is better for math, Gemini 3.1 Pro or Gemini 3 Flash?

Gemini 3.1 Pro leads in math with an average score of 97.1 vs 69.

Which is better for reasoning, Gemini 3.1 Pro or Gemini 3 Flash?

Gemini 3.1 Pro leads in reasoning with an average score of 94 vs 66.

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