Side-by-side benchmark comparison across knowledge, coding, math, and reasoning.
MiMo-V2-Flash is clearly ahead on the aggregate, 71 to 51. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.
MiMo-V2-Flash's sharpest advantage is in coding, where it averages 55 against 41. The single biggest benchmark swing on the page is MMLU, 79 to 91.8. o1 does hit back in knowledge, so the answer changes if that is the part of the workload you care about most.
o1 gives you the larger context window at 200K, compared with 128K for MiMo-V2-Flash.
Pick MiMo-V2-Flash if you want the stronger benchmark profile. o1 only becomes the better choice if knowledge is the priority or you need the larger 200K context window.
MiMo-V2-Flash
65.5
o1
83.8
MiMo-V2-Flash
55
o1
41
MiMo-V2-Flash
79.5
o1
74.3
MiMo-V2-Flash
84
o1
92.2
MiMo-V2-Flash is ahead overall, 71 to 51. The biggest single separator in this matchup is MMLU, where the scores are 79 and 91.8.
o1 has the edge for knowledge tasks in this comparison, averaging 83.8 versus 65.5. Inside this category, MMLU is the benchmark that creates the most daylight between them.
MiMo-V2-Flash has the edge for coding in this comparison, averaging 55 versus 41. Inside this category, SWE-bench Verified is the benchmark that creates the most daylight between them.
MiMo-V2-Flash has the edge for math in this comparison, averaging 79.5 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 84. Inside this category, IFEval is the benchmark that creates the most daylight between them.
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