Gemini 1.5 Pro vs o3-pro

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

Quick Verdict

o3-pro wins overall with a score of 68 vs 54 (14 point difference).o3-pro wins 4 out of 4 categories.

Knowledge

o3-pro

Gemini 1.5 Pro

62.5

o3-pro

87.3

64
MMLU
88
64
GPQA
89
62
SuperGPQA
87
60
OpenBookQA
85

Coding

o3-pro

Gemini 1.5 Pro

56

o3-pro

80

56
HumanEval
80

Mathematics

o3-pro

Gemini 1.5 Pro

63

o3-pro

89

64
AIME 2023
90
66
AIME 2024
92
65
AIME 2025
91
60
HMMT Feb 2023
86
62
HMMT Feb 2024
88
61
HMMT Feb 2025
87
63
BRUMO 2025
89

Reasoning

o3-pro

Gemini 1.5 Pro

61

o3-pro

85

62
SimpleQA
86
60
MuSR
84

Frequently Asked Questions

Which is better, Gemini 1.5 Pro or o3-pro?

o3-pro scores higher overall with 68 vs 54, a difference of 14 points across all benchmarks.

Which is better for knowledge tasks, Gemini 1.5 Pro or o3-pro?

o3-pro leads in knowledge tasks with an average score of 87.3 vs 62.5.

Which is better for coding, Gemini 1.5 Pro or o3-pro?

o3-pro leads in coding with an average score of 80 vs 56.

Which is better for math, Gemini 1.5 Pro or o3-pro?

o3-pro leads in math with an average score of 89 vs 63.

Which is better for reasoning, Gemini 1.5 Pro or o3-pro?

o3-pro leads in reasoning with an average score of 85 vs 61.