Claude Sonnet 4.5 vs Nemotron 3 Ultra 500B

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

Quick Verdict

Claude Sonnet 4.5 wins overall with a score of 74 vs 60 (14 point difference).Claude Sonnet 4.5 wins 4 out of 4 categories.

Knowledge

Claude Sonnet 4.5

Claude Sonnet 4.5

92

Nemotron 3 Ultra 500B

71.8

95
MMLU
74
93
GPQA
73
91
SuperGPQA
71
89
OpenBookQA
69

Coding

Claude Sonnet 4.5

Claude Sonnet 4.5

87

Nemotron 3 Ultra 500B

66

87
HumanEval
66

Mathematics

Claude Sonnet 4.5

Claude Sonnet 4.5

96

Nemotron 3 Ultra 500B

73

97
AIME 2023
74
99
AIME 2024
76
98
AIME 2025
75
93
HMMT Feb 2023
70
95
HMMT Feb 2024
72
94
HMMT Feb 2025
71
96
BRUMO 2025
73

Reasoning

Claude Sonnet 4.5

Claude Sonnet 4.5

90

Nemotron 3 Ultra 500B

70

91
SimpleQA
71
89
MuSR
69

Frequently Asked Questions

Which is better, Claude Sonnet 4.5 or Nemotron 3 Ultra 500B?

Claude Sonnet 4.5 scores higher overall with 74 vs 60, a difference of 14 points across all benchmarks.

Which is better for knowledge tasks, Claude Sonnet 4.5 or Nemotron 3 Ultra 500B?

Claude Sonnet 4.5 leads in knowledge tasks with an average score of 92 vs 71.8.

Which is better for coding, Claude Sonnet 4.5 or Nemotron 3 Ultra 500B?

Claude Sonnet 4.5 leads in coding with an average score of 87 vs 66.

Which is better for math, Claude Sonnet 4.5 or Nemotron 3 Ultra 500B?

Claude Sonnet 4.5 leads in math with an average score of 96 vs 73.

Which is better for reasoning, Claude Sonnet 4.5 or Nemotron 3 Ultra 500B?

Claude Sonnet 4.5 leads in reasoning with an average score of 90 vs 70.