Side-by-side benchmark comparison across knowledge, coding, math, and reasoning.
Qwen3.5 397B is clearly ahead on the aggregate, 71 to 39. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.
Qwen3.5 397B's sharpest advantage is in multilingual, where it averages 82 against 80.6. The single biggest benchmark swing on the page is GPQA, 82 to 56.1. Phi-4 does hit back in coding, so the answer changes if that is the part of the workload you care about most.
Qwen3.5 397B gives you the larger context window at 128K, compared with 16K for Phi-4.
Pick Qwen3.5 397B if you want the stronger benchmark profile. Phi-4 only becomes the better choice if coding is the priority.
Qwen3.5 397B
67.7
Phi-4
70.5
Qwen3.5 397B
52
Phi-4
82.6
Qwen3.5 397B
82
Phi-4
80.6
Qwen3.5 397B is ahead overall, 71 to 39. The biggest single separator in this matchup is GPQA, where the scores are 82 and 56.1.
Phi-4 has the edge for knowledge tasks in this comparison, averaging 70.5 versus 67.7. Inside this category, GPQA is the benchmark that creates the most daylight between them.
Phi-4 has the edge for coding in this comparison, averaging 82.6 versus 52. Inside this category, HumanEval is the benchmark that creates the most daylight between them.
Qwen3.5 397B has the edge for multilingual tasks in this comparison, averaging 82 versus 80.6. Inside this category, MGSM is the benchmark that creates the most daylight between them.
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