Nemotron Ultra 253B vs Qwen3.5 397B (Reasoning)

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

Quick Verdict

Qwen3.5 397B (Reasoning) wins overall with a score of 70 vs 40 (30 point difference).Qwen3.5 397B (Reasoning) wins 4 out of 4 categories.

Knowledge

Qwen3.5 397B (Reasoning)

Nemotron Ultra 253B

46.8

Qwen3.5 397B (Reasoning)

88

49
MMLU
91
48
GPQA
89
46
SuperGPQA
87
44
OpenBookQA
85

Coding

Qwen3.5 397B (Reasoning)

Nemotron Ultra 253B

41

Qwen3.5 397B (Reasoning)

83

41
HumanEval
83

Mathematics

Qwen3.5 397B (Reasoning)

Nemotron Ultra 253B

48

Qwen3.5 397B (Reasoning)

92

49
AIME 2023
93
51
AIME 2024
95
50
AIME 2025
94
45
HMMT Feb 2023
89
47
HMMT Feb 2024
91
46
HMMT Feb 2025
90
48
BRUMO 2025
92

Reasoning

Qwen3.5 397B (Reasoning)

Nemotron Ultra 253B

46

Qwen3.5 397B (Reasoning)

86

47
SimpleQA
87
45
MuSR
85

Frequently Asked Questions

Which is better, Nemotron Ultra 253B or Qwen3.5 397B (Reasoning)?

Qwen3.5 397B (Reasoning) scores higher overall with 70 vs 40, a difference of 30 points across all benchmarks.

Which is better for knowledge tasks, Nemotron Ultra 253B or Qwen3.5 397B (Reasoning)?

Qwen3.5 397B (Reasoning) leads in knowledge tasks with an average score of 88 vs 46.8.

Which is better for coding, Nemotron Ultra 253B or Qwen3.5 397B (Reasoning)?

Qwen3.5 397B (Reasoning) leads in coding with an average score of 83 vs 41.

Which is better for math, Nemotron Ultra 253B or Qwen3.5 397B (Reasoning)?

Qwen3.5 397B (Reasoning) leads in math with an average score of 92 vs 48.

Which is better for reasoning, Nemotron Ultra 253B or Qwen3.5 397B (Reasoning)?

Qwen3.5 397B (Reasoning) leads in reasoning with an average score of 86 vs 46.