Side-by-side benchmark comparison across knowledge, coding, math, and reasoning.
Phi-4 is clearly ahead on the aggregate, 39 to 28. 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 54.8. The single biggest benchmark swing on the page is HumanEval, 82.6 to 54.8. Mixtral 8x22B Instruct v0.1 does hit back in knowledge, so the answer changes if that is the part of the workload you care about most.
Mixtral 8x22B Instruct v0.1 gives you the larger context window at 64K, compared with 16K for Phi-4.
Pick Phi-4 if you want the stronger benchmark profile. Mixtral 8x22B Instruct v0.1 only becomes the better choice if knowledge is the priority or you need the larger 64K context window.
Phi-4
70.5
Mixtral 8x22B Instruct v0.1
71.4
Phi-4
82.6
Mixtral 8x22B Instruct v0.1
54.8
Phi-4 is ahead overall, 39 to 28. The biggest single separator in this matchup is HumanEval, where the scores are 82.6 and 54.8.
Mixtral 8x22B Instruct v0.1 has the edge for knowledge tasks in this comparison, averaging 71.4 versus 70.5. 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 54.8. Inside this category, HumanEval is the benchmark that creates the most daylight between them.
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