Claude Opus 4.5 vs Nemotron-4 15B

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

Quick Verdict

Claude Opus 4.5 wins overall with a score of 79 vs 45 (34 point difference).Claude Opus 4.5 wins 4 out of 4 categories.

Knowledge

Claude Opus 4.5

Claude Opus 4.5

96

Nemotron-4 15B

51.8

99
MMLU
54
97
GPQA
53
95
SuperGPQA
51
93
OpenBookQA
49

Coding

Claude Opus 4.5

Claude Opus 4.5

91

Nemotron-4 15B

46

91
HumanEval
46

Mathematics

Claude Opus 4.5

Claude Opus 4.5

97.1

Nemotron-4 15B

53

99
AIME 2023
54
99
AIME 2024
56
98
AIME 2025
55
95
HMMT Feb 2023
50
97
HMMT Feb 2024
52
96
HMMT Feb 2025
51
96
BRUMO 2025
53

Reasoning

Claude Opus 4.5

Claude Opus 4.5

94

Nemotron-4 15B

51

95
SimpleQA
52
93
MuSR
50

Frequently Asked Questions

Which is better, Claude Opus 4.5 or Nemotron-4 15B?

Claude Opus 4.5 scores higher overall with 79 vs 45, a difference of 34 points across all benchmarks.

Which is better for knowledge tasks, Claude Opus 4.5 or Nemotron-4 15B?

Claude Opus 4.5 leads in knowledge tasks with an average score of 96 vs 51.8.

Which is better for coding, Claude Opus 4.5 or Nemotron-4 15B?

Claude Opus 4.5 leads in coding with an average score of 91 vs 46.

Which is better for math, Claude Opus 4.5 or Nemotron-4 15B?

Claude Opus 4.5 leads in math with an average score of 97.1 vs 53.

Which is better for reasoning, Claude Opus 4.5 or Nemotron-4 15B?

Claude Opus 4.5 leads in reasoning with an average score of 94 vs 51.