GPT-5.4 Pro vs GPT-5 mini

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

GPT-5.4 Pro is clearly ahead on the aggregate, 94 to 74. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.

GPT-5.4 Pro's sharpest advantage is in coding, where it averages 89 against 52.7. The single biggest benchmark swing on the page is LiveCodeBench, 86 to 37.

GPT-5.4 Pro gives you the larger context window at 1.05M, compared with 128K for GPT-5 mini.

Quick Verdict

Pick GPT-5.4 Pro if you want the stronger benchmark profile. GPT-5 mini only becomes the better choice if its workflow or ecosystem matters more than the raw scoreboard.

Knowledge

GPT-5.4 Pro

GPT-5.4 Pro

88.8

GPT-5 mini

71.5

99
MMLU
88
99
GPQA
86
97
SuperGPQA
84
94
OpenBookQA
82
94
MMLU-Pro
73
50
HLE
16

Coding

GPT-5.4 Pro

GPT-5.4 Pro

89

GPT-5 mini

52.7

95
HumanEval
80
86
SWE-bench Verified
41
86
LiveCodeBench
37

Mathematics

GPT-5.4 Pro

GPT-5.4 Pro

98

GPT-5 mini

88.5

99
AIME 2023
90
99
AIME 2024
92
99
AIME 2025
91
96
HMMT Feb 2023
86
98
HMMT Feb 2024
88
97
HMMT Feb 2025
87
97
BRUMO 2025
89
99
MATH-500
85

Reasoning

GPT-5.4 Pro

GPT-5.4 Pro

96.7

GPT-5 mini

84.3

97
SimpleQA
84
95
MuSR
82
98
BBH
87

Instruction Following

GPT-5.4 Pro

GPT-5.4 Pro

97

GPT-5 mini

82

97
IFEval
82

Multilingual

GPT-5.4 Pro

GPT-5.4 Pro

97

GPT-5 mini

82

97
MGSM
82

Frequently Asked Questions

Which is better, GPT-5.4 Pro or GPT-5 mini?

GPT-5.4 Pro is ahead overall, 94 to 74. The biggest single separator in this matchup is LiveCodeBench, where the scores are 86 and 37.

Which is better for knowledge tasks, GPT-5.4 Pro or GPT-5 mini?

GPT-5.4 Pro has the edge for knowledge tasks in this comparison, averaging 88.8 versus 71.5. Inside this category, HLE is the benchmark that creates the most daylight between them.

Which is better for coding, GPT-5.4 Pro or GPT-5 mini?

GPT-5.4 Pro has the edge for coding in this comparison, averaging 89 versus 52.7. Inside this category, LiveCodeBench is the benchmark that creates the most daylight between them.

Which is better for math, GPT-5.4 Pro or GPT-5 mini?

GPT-5.4 Pro has the edge for math in this comparison, averaging 98 versus 88.5. Inside this category, MATH-500 is the benchmark that creates the most daylight between them.

Which is better for reasoning, GPT-5.4 Pro or GPT-5 mini?

GPT-5.4 Pro has the edge for reasoning in this comparison, averaging 96.7 versus 84.3. Inside this category, SimpleQA is the benchmark that creates the most daylight between them.

Which is better for instruction following, GPT-5.4 Pro or GPT-5 mini?

GPT-5.4 Pro has the edge for instruction following in this comparison, averaging 97 versus 82. Inside this category, IFEval is the benchmark that creates the most daylight between them.

Which is better for multilingual tasks, GPT-5.4 Pro or GPT-5 mini?

GPT-5.4 Pro has the edge for multilingual tasks in this comparison, averaging 97 versus 82. Inside this category, MGSM is the benchmark that creates the most daylight between them.

Last updated: March 9, 2026

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