Nemotron 3 Ultra 500B vs o1-pro

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

Nemotron 3 Ultra 500B is clearly ahead on the aggregate, 67 to 33. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.

Nemotron 3 Ultra 500B gives you the larger context window at 10M, compared with 200K for o1-pro.

Quick Verdict

Pick Nemotron 3 Ultra 500B if you want the stronger benchmark profile. o1-pro only becomes the better choice if knowledge is the priority.

Knowledge

o1-pro

Nemotron 3 Ultra 500B

62.5

o1-pro

79

74
MMLU
-
73
GPQA
79
71
SuperGPQA
-
69
OpenBookQA
-
73
MMLU-Pro
-
15
HLE
-

Coding

Nemotron 3 Ultra 500B
66
HumanEval
-
42
SWE-bench Verified
-
41
LiveCodeBench
-

Mathematics

o1-pro

Nemotron 3 Ultra 500B

74.4

o1-pro

86

74
AIME 2023
-
76
AIME 2024
86
75
AIME 2025
-
70
HMMT Feb 2023
-
72
HMMT Feb 2024
-
71
HMMT Feb 2025
-
73
BRUMO 2025
-
84
MATH-500
-

Reasoning

Nemotron 3 Ultra 500B
71
SimpleQA
-
69
MuSR
-
85
BBH
-

Instruction Following

Nemotron 3 Ultra 500B
84
IFEval
-

Multilingual

Nemotron 3 Ultra 500B
81
MGSM
-

Frequently Asked Questions

Which is better, Nemotron 3 Ultra 500B or o1-pro?

Nemotron 3 Ultra 500B is ahead overall, 67 to 33. The biggest single separator in this matchup is AIME 2024, where the scores are 76 and 86.

Which is better for knowledge tasks, Nemotron 3 Ultra 500B or o1-pro?

o1-pro has the edge for knowledge tasks in this comparison, averaging 79 versus 62.5. Inside this category, GPQA is the benchmark that creates the most daylight between them.

Which is better for math, Nemotron 3 Ultra 500B or o1-pro?

o1-pro has the edge for math in this comparison, averaging 86 versus 74.4. Inside this category, AIME 2024 is the benchmark that creates the most daylight between them.

Last updated: March 9, 2026

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