Side-by-side benchmark comparison across knowledge, coding, math, and reasoning.
Claude 3 Opus has the cleaner overall profile here, landing at 53 versus 51. It is a real lead, but still close enough that category-level strengths matter more than the headline number.
o1 is the reasoning model in the pair, while Claude 3 Opus is not. That usually helps on harder chain-of-thought-heavy tests, but it can also mean more latency and more token spend in real use.
Pick Claude 3 Opus if you want the stronger benchmark profile. o1 only becomes the better choice if knowledge is the priority or you want the stronger reasoning-first profile.
Claude 3 Opus
50.2
o1
83.8
Claude 3 Opus
27.7
o1
41
Claude 3 Opus
61.6
o1
74.3
Claude 3 Opus
77
o1
92.2
Claude 3 Opus is ahead overall, 53 to 51. The biggest single separator in this matchup is SWE-bench Verified, where the scores are 10 and 41.
o1 has the edge for knowledge tasks in this comparison, averaging 83.8 versus 50.2. 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 27.7. 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 61.6. 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 77. Inside this category, IFEval is the benchmark that creates the most daylight between them.
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