Claude 3 Opus vs Phi-4

Side-by-side benchmark comparison across knowledge, coding, math, and reasoning.

Claude 3 Opus is clearly ahead on the aggregate, 53 to 39. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.

Claude 3 Opus gives you the larger context window at 200K, compared with 16K for Phi-4.

Quick Verdict

Pick Claude 3 Opus if you want the stronger benchmark profile. Phi-4 only becomes the better choice if coding is the priority.

Knowledge

Phi-4

Claude 3 Opus

50.2

Phi-4

70.5

61
MMLU
84.8
61
GPQA
56.1
59
SuperGPQA
-
57
OpenBookQA
-
62
MMLU-Pro
-
1
HLE
-

Coding

Phi-4

Claude 3 Opus

27.7

Phi-4

82.6

53
HumanEval
82.6
10
SWE-bench Verified
-
20
LiveCodeBench
-

Mathematics

Claude 3 Opus
61
AIME 2023
-
63
AIME 2024
-
62
AIME 2025
-
57
HMMT Feb 2023
-
59
HMMT Feb 2024
-
58
HMMT Feb 2025
-
60
BRUMO 2025
-
73
MATH-500
-

Reasoning

Claude 3 Opus
59
SimpleQA
-
57
MuSR
-
74
BBH
-

Instruction Following

Claude 3 Opus
77
IFEval
-

Multilingual

Phi-4

Claude 3 Opus

73

Phi-4

80.6

73
MGSM
80.6

Frequently Asked Questions

Which is better, Claude 3 Opus or Phi-4?

Claude 3 Opus is ahead overall, 53 to 39. The biggest single separator in this matchup is HumanEval, where the scores are 53 and 82.6.

Which is better for knowledge tasks, Claude 3 Opus or Phi-4?

Phi-4 has the edge for knowledge tasks in this comparison, averaging 70.5 versus 50.2. Inside this category, MMLU is the benchmark that creates the most daylight between them.

Which is better for coding, Claude 3 Opus or Phi-4?

Phi-4 has the edge for coding in this comparison, averaging 82.6 versus 27.7. Inside this category, HumanEval is the benchmark that creates the most daylight between them.

Which is better for multilingual tasks, Claude 3 Opus or Phi-4?

Phi-4 has the edge for multilingual tasks in this comparison, averaging 80.6 versus 73. Inside this category, MGSM is the benchmark that creates the most daylight between them.

Last updated: March 9, 2026

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