GPT-4 Turbo vs Phi-4

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

GPT-4 Turbo 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.

GPT-4 Turbo gives you the larger context window at 128K, compared with 16K for Phi-4.

Quick Verdict

Pick GPT-4 Turbo if you want the stronger benchmark profile. Phi-4 only becomes the better choice if coding is the priority.

Knowledge

Phi-4

GPT-4 Turbo

47.7

Phi-4

70.5

60
MMLU
84.8
60
GPQA
56.1
58
SuperGPQA
-
56
OpenBookQA
-
51
MMLU-Pro
-
1
HLE
-

Coding

Phi-4

GPT-4 Turbo

26.7

Phi-4

82.6

52
HumanEval
82.6
5
SWE-bench Verified
-
23
LiveCodeBench
-

Mathematics

GPT-4 Turbo
60
AIME 2023
-
62
AIME 2024
-
61
AIME 2025
-
56
HMMT Feb 2023
-
58
HMMT Feb 2024
-
57
HMMT Feb 2025
-
59
BRUMO 2025
-
71
MATH-500
-

Reasoning

GPT-4 Turbo
58
SimpleQA
-
56
MuSR
-
75
BBH
-

Instruction Following

GPT-4 Turbo
80
IFEval
-

Multilingual

Phi-4

GPT-4 Turbo

75

Phi-4

80.6

75
MGSM
80.6

Frequently Asked Questions

Which is better, GPT-4 Turbo or Phi-4?

GPT-4 Turbo is ahead overall, 53 to 39. The biggest single separator in this matchup is HumanEval, where the scores are 52 and 82.6.

Which is better for knowledge tasks, GPT-4 Turbo or Phi-4?

Phi-4 has the edge for knowledge tasks in this comparison, averaging 70.5 versus 47.7. Inside this category, MMLU is the benchmark that creates the most daylight between them.

Which is better for coding, GPT-4 Turbo or Phi-4?

Phi-4 has the edge for coding in this comparison, averaging 82.6 versus 26.7. Inside this category, HumanEval is the benchmark that creates the most daylight between them.

Which is better for multilingual tasks, GPT-4 Turbo or Phi-4?

Phi-4 has the edge for multilingual tasks in this comparison, averaging 80.6 versus 75. Inside this category, MGSM is the benchmark that creates the most daylight between them.

Last updated: March 9, 2026

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