Side-by-side benchmark comparison across knowledge, coding, math, and reasoning.
o3-pro is clearly ahead on the aggregate, 77 to 51. 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 coding, where it averages 56.7 against 41. The single biggest benchmark swing on the page is AIME 2024, 92 to 74.3. o1 does hit back in instruction following, so the answer changes if that is the part of the workload you care about most.
Pick o3-pro if you want the stronger benchmark profile. o1 only becomes the better choice if instruction following is the priority.
o3-pro
75
o1
83.8
o3-pro
56.7
o1
41
o3-pro
89
o1
74.3
o3-pro
82
o1
92.2
o3-pro is ahead overall, 77 to 51. The biggest single separator in this matchup is AIME 2024, where the scores are 92 and 74.3.
o1 has the edge for knowledge tasks in this comparison, averaging 83.8 versus 75. Inside this category, GPQA is the benchmark that creates the most daylight between them.
o3-pro has the edge for coding in this comparison, averaging 56.7 versus 41. Inside this category, SWE-bench Verified is the benchmark that creates the most daylight between them.
o3-pro has the edge for math in this comparison, averaging 89 versus 74.3. Inside this category, AIME 2024 is the benchmark that creates the most daylight between them.
o1 has the edge for instruction following in this comparison, averaging 92.2 versus 82. Inside this category, IFEval is the benchmark that creates the most daylight between them.
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