Side-by-side benchmark comparison across knowledge, coding, math, and reasoning.
o1-preview is clearly ahead on the aggregate, 83 to 56. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.
o1-preview's sharpest advantage is in coding, where it averages 70.3 against 49.3. The single biggest benchmark swing on the page is SWE-bench Verified, 65 to 49.3. o3-mini does hit back in instruction following, so the answer changes if that is the part of the workload you care about most.
Pick o1-preview if you want the stronger benchmark profile. o3-mini only becomes the better choice if instruction following is the priority.
o1-preview
78
o3-mini
82.1
o1-preview
70.3
o3-mini
49.3
o1-preview
93.1
o3-mini
87.3
o1-preview
88
o3-mini
93.9
o1-preview is ahead overall, 83 to 56. The biggest single separator in this matchup is SWE-bench Verified, where the scores are 65 and 49.3.
o3-mini has the edge for knowledge tasks in this comparison, averaging 82.1 versus 78. Inside this category, GPQA is the benchmark that creates the most daylight between them.
o1-preview has the edge for coding in this comparison, averaging 70.3 versus 49.3. Inside this category, SWE-bench Verified is the benchmark that creates the most daylight between them.
o1-preview has the edge for math in this comparison, averaging 93.1 versus 87.3. Inside this category, AIME 2024 is the benchmark that creates the most daylight between them.
o3-mini has the edge for instruction following in this comparison, averaging 93.9 versus 88. Inside this category, IFEval is the benchmark that creates the most daylight between them.
Get notified when new models drop, benchmark scores change, or the leaderboard shifts. One email per week.
Free. No spam. Unsubscribe anytime. We only store derived location metadata for consent routing.