benchlm.ai

Gemini 3 Flash vs o1-preview

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

Quick Verdict

o1-preview wins overall with a score of 71 vs 58 (13 point difference).o1-preview wins 4 out of 4 categories.

Gemini 3 Flash

CreatorGoogle
TypeProprietary
Context1M
Score58

o1-preview

CreatorOpenAI
TypeProprietary
Context200K
Score71

Knowledge

o1-preview

Gemini 3 Flash

67.8

o1-preview

89

70
MMLU
92
69
GPQA
90
67
SuperGPQA
88
65
OpenBookQA
86

Coding

o1-preview

Gemini 3 Flash

62

o1-preview

86

62
HumanEval
86

Mathematics

o1-preview

Gemini 3 Flash

69

o1-preview

93

70
AIME 2023
94
72
AIME 2024
96
71
AIME 2025
95
66
HMMT Feb 2023
90
68
HMMT Feb 2024
92
67
HMMT Feb 2025
91
69
BRUMO 2025
93

Reasoning

o1-preview

Gemini 3 Flash

66

o1-preview

87

67
SimpleQA
88
65
MuSR
86

Frequently Asked Questions

Which is better, Gemini 3 Flash or o1-preview?

o1-preview scores higher overall with 71 vs 58, a difference of 13 points across all benchmarks.

Which is better for knowledge tasks, Gemini 3 Flash or o1-preview?

o1-preview leads in knowledge tasks with an average score of 89 vs 67.8.

Which is better for coding, Gemini 3 Flash or o1-preview?

o1-preview leads in coding with an average score of 86 vs 62.

Which is better for math, Gemini 3 Flash or o1-preview?

o1-preview leads in math with an average score of 93 vs 69.

Which is better for reasoning, Gemini 3 Flash or o1-preview?

o1-preview leads in reasoning with an average score of 87 vs 66.

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