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.
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.
GPT-5.4 Pro
88.8
GPT-5 mini
71.5
GPT-5.4 Pro
89
GPT-5 mini
52.7
GPT-5.4 Pro
98
GPT-5 mini
88.5
GPT-5.4 Pro
96.7
GPT-5 mini
84.3
GPT-5.4 Pro
97
GPT-5 mini
82
GPT-5.4 Pro
97
GPT-5 mini
82
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.
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.
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.
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.
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.
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.
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.
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