Side-by-side benchmark comparison across agentic, coding, multimodal, knowledge, reasoning, and math workflows.
GPT-5.2 Instant is clearly ahead on the aggregate, 85 to 64. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.
GPT-5.2 Instant's sharpest advantage is in coding, where it averages 75.5 against 43.8. The single biggest benchmark swing on the page is SWE-bench Verified, 75 to 42.
Nemotron 3 Ultra 500B gives you the larger context window at 10M, compared with 128K for GPT-5.2 Instant.
Pick GPT-5.2 Instant 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-5.2 Instant
79.6
Nemotron 3 Ultra 500B
62.8
GPT-5.2 Instant
75.5
Nemotron 3 Ultra 500B
43.8
GPT-5.2 Instant
93.1
Nemotron 3 Ultra 500B
66.9
GPT-5.2 Instant
90.9
Nemotron 3 Ultra 500B
77.2
GPT-5.2 Instant
79.8
Nemotron 3 Ultra 500B
57
GPT-5.2 Instant
95
Nemotron 3 Ultra 500B
84
GPT-5.2 Instant
94.4
Nemotron 3 Ultra 500B
79.7
GPT-5.2 Instant
97.2
Nemotron 3 Ultra 500B
78
GPT-5.2 Instant is ahead overall, 85 to 64. The biggest single separator in this matchup is SWE-bench Verified, where the scores are 75 and 42.
GPT-5.2 Instant has the edge for knowledge tasks in this comparison, averaging 79.8 versus 57. Inside this category, HLE is the benchmark that creates the most daylight between them.
GPT-5.2 Instant has the edge for coding in this comparison, averaging 75.5 versus 43.8. Inside this category, SWE-bench Verified is the benchmark that creates the most daylight between them.
GPT-5.2 Instant has the edge for math in this comparison, averaging 97.2 versus 78. Inside this category, AIME 2023 is the benchmark that creates the most daylight between them.
GPT-5.2 Instant has the edge for reasoning in this comparison, averaging 90.9 versus 77.2. Inside this category, SimpleQA is the benchmark that creates the most daylight between them.
GPT-5.2 Instant has the edge for agentic tasks in this comparison, averaging 79.6 versus 62.8. Inside this category, Terminal-Bench 2.0 is the benchmark that creates the most daylight between them.
GPT-5.2 Instant has the edge for multimodal and grounded tasks in this comparison, averaging 93.1 versus 66.9. Inside this category, MMMU-Pro is the benchmark that creates the most daylight between them.
GPT-5.2 Instant has the edge for instruction following in this comparison, averaging 95 versus 84. Inside this category, IFEval is the benchmark that creates the most daylight between them.
GPT-5.2 Instant has the edge for multilingual tasks in this comparison, averaging 94.4 versus 79.7. Inside this category, MMLU-ProX is the benchmark that creates the most daylight between them.
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