Side-by-side benchmark comparison across knowledge, coding, math, and reasoning.
o1 is clearly ahead on the aggregate, 51 to 39. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.
o1's sharpest advantage is in knowledge, where it averages 83.8 against 34. The single biggest benchmark swing on the page is MMLU, 91.8 to 38.
Pick o1 if you want the stronger benchmark profile. Claude 4.1 Opus Thinking only becomes the better choice if its workflow or ecosystem matters more than the raw scoreboard.
o1
83.8
Claude 4.1 Opus Thinking
34
o1
41
Claude 4.1 Opus Thinking
21.7
o1
74.3
Claude 4.1 Opus Thinking
40.1
o1
92.2
Claude 4.1 Opus Thinking
66
o1 is ahead overall, 51 to 39. The biggest single separator in this matchup is MMLU, where the scores are 91.8 and 38.
o1 has the edge for knowledge tasks in this comparison, averaging 83.8 versus 34. Inside this category, MMLU is the benchmark that creates the most daylight between them.
o1 has the edge for coding in this comparison, averaging 41 versus 21.7. Inside this category, SWE-bench Verified is the benchmark that creates the most daylight between them.
o1 has the edge for math in this comparison, averaging 74.3 versus 40.1. 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 66. 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.