Side-by-side benchmark comparison across knowledge, coding, math, and reasoning.
Claude 4 Sonnet is clearly ahead on the aggregate, 67 to 39. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.
Claude 4 Sonnet's sharpest advantage is in multilingual, where it averages 84 against 80.6. The single biggest benchmark swing on the page is HumanEval, 65 to 82.6. Phi-4 does hit back in coding, so the answer changes if that is the part of the workload you care about most.
Claude 4 Sonnet gives you the larger context window at 200K, compared with 16K for Phi-4.
Pick Claude 4 Sonnet if you want the stronger benchmark profile. Phi-4 only becomes the better choice if coding is the priority.
Claude 4 Sonnet
62.2
Phi-4
70.5
Claude 4 Sonnet
50.7
Phi-4
82.6
Claude 4 Sonnet
84
Phi-4
80.6
Claude 4 Sonnet is ahead overall, 67 to 39. The biggest single separator in this matchup is HumanEval, where the scores are 65 and 82.6.
Phi-4 has the edge for knowledge tasks in this comparison, averaging 70.5 versus 62.2. 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 50.7. Inside this category, HumanEval is the benchmark that creates the most daylight between them.
Claude 4 Sonnet has the edge for multilingual tasks in this comparison, averaging 84 versus 80.6. Inside this category, MGSM is the benchmark that creates the most daylight between them.
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