Nemotron 3 Ultra 500B vs o3-pro

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

Quick Verdict

o3-pro wins overall with a score of 68 vs 60 (8 point difference).o3-pro wins 4 out of 4 categories.

Knowledge

o3-pro

Nemotron 3 Ultra 500B

71.8

o3-pro

87.3

74
MMLU
88
73
GPQA
89
71
SuperGPQA
87
69
OpenBookQA
85

Coding

o3-pro

Nemotron 3 Ultra 500B

66

o3-pro

80

66
HumanEval
80

Mathematics

o3-pro

Nemotron 3 Ultra 500B

73

o3-pro

89

74
AIME 2023
90
76
AIME 2024
92
75
AIME 2025
91
70
HMMT Feb 2023
86
72
HMMT Feb 2024
88
71
HMMT Feb 2025
87
73
BRUMO 2025
89

Reasoning

o3-pro

Nemotron 3 Ultra 500B

70

o3-pro

85

71
SimpleQA
86
69
MuSR
84

Frequently Asked Questions

Which is better, Nemotron 3 Ultra 500B or o3-pro?

o3-pro scores higher overall with 68 vs 60, a difference of 8 points across all benchmarks.

Which is better for knowledge tasks, Nemotron 3 Ultra 500B or o3-pro?

o3-pro leads in knowledge tasks with an average score of 87.3 vs 71.8.

Which is better for coding, Nemotron 3 Ultra 500B or o3-pro?

o3-pro leads in coding with an average score of 80 vs 66.

Which is better for math, Nemotron 3 Ultra 500B or o3-pro?

o3-pro leads in math with an average score of 89 vs 73.

Which is better for reasoning, Nemotron 3 Ultra 500B or o3-pro?

o3-pro leads in reasoning with an average score of 85 vs 70.