Side-by-side benchmark comparison across knowledge, coding, math, and reasoning.
Claude 4.1 Opus is clearly ahead on the aggregate, 69 to 39. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.
Claude 4.1 Opus's sharpest advantage is in multilingual, where it averages 85 against 80.6. The single biggest benchmark swing on the page is GPQA, 76 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.
Claude 4.1 Opus gives you the larger context window at 200K, compared with 16K for Phi-4.
Pick Claude 4.1 Opus if you want the stronger benchmark profile. Phi-4 only becomes the better choice if coding is the priority.
Claude 4.1 Opus
64
Phi-4
70.5
Claude 4.1 Opus
52
Phi-4
82.6
Claude 4.1 Opus
85
Phi-4
80.6
Claude 4.1 Opus is ahead overall, 69 to 39. The biggest single separator in this matchup is GPQA, where the scores are 76 and 56.1.
Phi-4 has the edge for knowledge tasks in this comparison, averaging 70.5 versus 64. 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.
Claude 4.1 Opus has the edge for multilingual tasks in this comparison, averaging 85 versus 80.6. Inside this category, MGSM is the benchmark that creates the most daylight between them.
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