Nemotron 3 Ultra 500B vs o3

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

Quick Verdict

o3 wins overall with a score of 67 vs 60 (7 point difference).o3 wins 4 out of 4 categories.

Knowledge

o3

Nemotron 3 Ultra 500B

71.8

o3

85.3

74
MMLU
86
73
GPQA
87
71
SuperGPQA
85
69
OpenBookQA
83

Coding

o3

Nemotron 3 Ultra 500B

66

o3

78

66
HumanEval
78

Mathematics

o3

Nemotron 3 Ultra 500B

73

o3

87

74
AIME 2023
88
76
AIME 2024
90
75
AIME 2025
89
70
HMMT Feb 2023
84
72
HMMT Feb 2024
86
71
HMMT Feb 2025
85
73
BRUMO 2025
87

Reasoning

o3

Nemotron 3 Ultra 500B

70

o3

83

71
SimpleQA
84
69
MuSR
82

Frequently Asked Questions

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

o3 scores higher overall with 67 vs 60, a difference of 7 points across all benchmarks.

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

o3 leads in knowledge tasks with an average score of 85.3 vs 71.8.

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

o3 leads in coding with an average score of 78 vs 66.

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

o3 leads in math with an average score of 87 vs 73.

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

o3 leads in reasoning with an average score of 83 vs 70.