Side-by-side benchmark comparison across knowledge, coding, math, and reasoning.
GPT-5.4 Pro is clearly ahead on the aggregate, 94 to 67. 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 49.7. The single biggest benchmark swing on the page is LiveCodeBench, 86 to 41.
Nemotron 3 Ultra 500B gives you the larger context window at 10M, compared with 1.05M for GPT-5.4 Pro.
Pick GPT-5.4 Pro if you want the stronger benchmark profile. Nemotron 3 Ultra 500B only becomes the better choice if you need the larger 10M context window.
GPT-5.4 Pro
88.8
Nemotron 3 Ultra 500B
62.5
GPT-5.4 Pro
89
Nemotron 3 Ultra 500B
49.7
GPT-5.4 Pro
98
Nemotron 3 Ultra 500B
74.4
GPT-5.4 Pro
96.7
Nemotron 3 Ultra 500B
75
GPT-5.4 Pro
97
Nemotron 3 Ultra 500B
84
GPT-5.4 Pro
97
Nemotron 3 Ultra 500B
81
GPT-5.4 Pro is ahead overall, 94 to 67. The biggest single separator in this matchup is LiveCodeBench, where the scores are 86 and 41.
GPT-5.4 Pro has the edge for knowledge tasks in this comparison, averaging 88.8 versus 62.5. 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 49.7. 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 74.4. Inside this category, HMMT Feb 2023 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 75. 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 84. 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 81. Inside this category, MGSM is the benchmark that creates the most daylight between them.
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