Side-by-side benchmark comparison across knowledge, coding, math, and reasoning.
Phi-4 is clearly ahead on the aggregate, 39 to 35. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.
Phi-4's sharpest advantage is in coding, where it averages 82.6 against 17. The single biggest benchmark swing on the page is HumanEval, 82.6 to 24.
Kimi K2 gives you the larger context window at 128K, compared with 16K for Phi-4.
Pick Phi-4 if you want the stronger benchmark profile. Kimi K2 only becomes the better choice if you need the larger 128K context window.
Phi-4
70.5
Kimi K2
28.8
Phi-4
82.6
Kimi K2
17
Phi-4
80.6
Kimi K2
61
Phi-4 is ahead overall, 39 to 35. The biggest single separator in this matchup is HumanEval, where the scores are 82.6 and 24.
Phi-4 has the edge for knowledge tasks in this comparison, averaging 70.5 versus 28.8. Inside this category, MMLU is the benchmark that creates the most daylight between them.
Phi-4 has the edge for coding in this comparison, averaging 82.6 versus 17. Inside this category, HumanEval is the benchmark that creates the most daylight between them.
Phi-4 has the edge for multilingual tasks in this comparison, averaging 80.6 versus 61. Inside this category, MGSM is the benchmark that creates the most daylight between them.
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