o1-preview vs o3-pro

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

Quick Verdict

o1-preview wins overall with a score of 71 vs 68 (3 point difference).o1-preview wins 4 out of 4 categories.

Knowledge

o1-preview

o1-preview

89

o3-pro

87.3

92
MMLU
88
90
GPQA
89
88
SuperGPQA
87
86
OpenBookQA
85

Coding

o1-preview

o1-preview

86

o3-pro

80

86
HumanEval
80

Mathematics

o1-preview

o1-preview

93

o3-pro

89

94
AIME 2023
90
96
AIME 2024
92
95
AIME 2025
91
90
HMMT Feb 2023
86
92
HMMT Feb 2024
88
91
HMMT Feb 2025
87
93
BRUMO 2025
89

Reasoning

o1-preview

o1-preview

87

o3-pro

85

88
SimpleQA
86
86
MuSR
84

Frequently Asked Questions

Which is better, o1-preview or o3-pro?

o1-preview scores higher overall with 71 vs 68, a difference of 3 points across all benchmarks.

Which is better for knowledge tasks, o1-preview or o3-pro?

o1-preview leads in knowledge tasks with an average score of 89 vs 87.3.

Which is better for coding, o1-preview or o3-pro?

o1-preview leads in coding with an average score of 86 vs 80.

Which is better for math, o1-preview or o3-pro?

o1-preview leads in math with an average score of 93 vs 89.

Which is better for reasoning, o1-preview or o3-pro?

o1-preview leads in reasoning with an average score of 87 vs 85.