Side-by-side benchmark comparison across knowledge, coding, math, and reasoning.
Kimi K2 is clearly ahead on the aggregate, 35 to 28. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.
Kimi K2 gives you the larger context window at 128K, compared with 64K for Mixtral 8x22B Instruct v0.1.
Pick Kimi K2 if you want the stronger benchmark profile. Mixtral 8x22B Instruct v0.1 only becomes the better choice if knowledge is the priority.
Kimi K2
28.8
Mixtral 8x22B Instruct v0.1
71.4
Kimi K2
17
Mixtral 8x22B Instruct v0.1
54.8
Kimi K2 is ahead overall, 35 to 28. The biggest single separator in this matchup is MMLU, where the scores are 32 and 71.4.
Mixtral 8x22B Instruct v0.1 has the edge for knowledge tasks in this comparison, averaging 71.4 versus 28.8. Inside this category, MMLU is the benchmark that creates the most daylight between them.
Mixtral 8x22B Instruct v0.1 has the edge for coding in this comparison, averaging 54.8 versus 17. Inside this category, HumanEval is the benchmark that creates the most daylight between them.
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