Side-by-side benchmark comparison across knowledge, coding, math, and reasoning.
Kimi K2 has the cleaner overall profile here, landing at 35 versus 33. It is a real lead, but still close enough that category-level strengths matter more than the headline number.
o1-pro is the reasoning model in the pair, while Kimi K2 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. o1-pro gives you the larger context window at 200K, compared with 128K for Kimi K2.
Pick Kimi K2 if you want the stronger benchmark profile. o1-pro only becomes the better choice if mathematics is the priority or you need the larger 200K context window.
Kimi K2
28.8
o1-pro
79
Kimi K2
34.3
o1-pro
86
Kimi K2 is ahead overall, 35 to 33. The biggest single separator in this matchup is AIME 2024, where the scores are 34 and 86.
o1-pro has the edge for knowledge tasks in this comparison, averaging 79 versus 28.8. Inside this category, GPQA is the benchmark that creates the most daylight between them.
o1-pro has the edge for math in this comparison, averaging 86 versus 34.3. Inside this category, AIME 2024 is the benchmark that creates the most daylight between them.
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