o3-pro vs o1-pro

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

o3-pro is clearly ahead on the aggregate, 77 to 33. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.

o3-pro's sharpest advantage is in mathematics, where it averages 89 against 86. The single biggest benchmark swing on the page is GPQA, 89 to 79. o1-pro does hit back in knowledge, so the answer changes if that is the part of the workload you care about most.

Quick Verdict

Pick o3-pro if you want the stronger benchmark profile. o1-pro only becomes the better choice if knowledge is the priority.

Knowledge

o1-pro

o3-pro

75

o1-pro

79

88
MMLU
-
89
GPQA
79
87
SuperGPQA
-
85
OpenBookQA
-
75
MMLU-Pro
-
26
HLE
-

Coding

o3-pro
80
HumanEval
-
46
SWE-bench Verified
-
44
LiveCodeBench
-

Mathematics

o3-pro

o3-pro

89

o1-pro

86

90
AIME 2023
-
92
AIME 2024
86
91
AIME 2025
-
86
HMMT Feb 2023
-
88
HMMT Feb 2024
-
87
HMMT Feb 2025
-
89
BRUMO 2025
-
89
MATH-500
-

Reasoning

o3-pro
86
SimpleQA
-
84
MuSR
-
89
BBH
-

Instruction Following

o3-pro
82
IFEval
-

Multilingual

o3-pro
83
MGSM
-

Frequently Asked Questions

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

o3-pro is ahead overall, 77 to 33. The biggest single separator in this matchup is GPQA, where the scores are 89 and 79.

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

o1-pro has the edge for knowledge tasks in this comparison, averaging 79 versus 75. Inside this category, GPQA is the benchmark that creates the most daylight between them.

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

o3-pro has the edge for math in this comparison, averaging 89 versus 86. Inside this category, AIME 2024 is the benchmark that creates the most daylight between them.

Last updated: March 9, 2026

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