Nemotron Ultra 253B vs Qwen3.5 397B

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

Quick Verdict

Qwen3.5 397B wins overall with a score of 65 vs 40 (25 point difference).Qwen3.5 397B wins 4 out of 4 categories.

Knowledge

Qwen3.5 397B

Nemotron Ultra 253B

46.8

Qwen3.5 397B

80.8

49
MMLU
83
48
GPQA
82
46
SuperGPQA
80
44
OpenBookQA
78

Coding

Qwen3.5 397B

Nemotron Ultra 253B

41

Qwen3.5 397B

75

41
HumanEval
75

Mathematics

Qwen3.5 397B

Nemotron Ultra 253B

48

Qwen3.5 397B

82

49
AIME 2023
83
51
AIME 2024
85
50
AIME 2025
84
45
HMMT Feb 2023
79
47
HMMT Feb 2024
81
46
HMMT Feb 2025
80
48
BRUMO 2025
82

Reasoning

Qwen3.5 397B

Nemotron Ultra 253B

46

Qwen3.5 397B

79

47
SimpleQA
80
45
MuSR
78

Frequently Asked Questions

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

Qwen3.5 397B scores higher overall with 65 vs 40, a difference of 25 points across all benchmarks.

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

Qwen3.5 397B leads in knowledge tasks with an average score of 80.8 vs 46.8.

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

Qwen3.5 397B leads in coding with an average score of 75 vs 41.

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

Qwen3.5 397B leads in math with an average score of 82 vs 48.

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

Qwen3.5 397B leads in reasoning with an average score of 79 vs 46.