GPT-4o vs Nemotron Ultra 253B

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

Quick Verdict

GPT-4o wins overall with a score of 56 vs 40 (16 point difference).GPT-4o wins 4 out of 4 categories.

Knowledge

GPT-4o

GPT-4o

64.5

Nemotron Ultra 253B

46.8

66
MMLU
49
66
GPQA
48
64
SuperGPQA
46
62
OpenBookQA
44

Coding

GPT-4o

GPT-4o

58

Nemotron Ultra 253B

41

58
HumanEval
41

Mathematics

GPT-4o

GPT-4o

65

Nemotron Ultra 253B

48

66
AIME 2023
49
68
AIME 2024
51
67
AIME 2025
50
62
HMMT Feb 2023
45
64
HMMT Feb 2024
47
63
HMMT Feb 2025
46
65
BRUMO 2025
48

Reasoning

GPT-4o

GPT-4o

63

Nemotron Ultra 253B

46

64
SimpleQA
47
62
MuSR
45

Frequently Asked Questions

Which is better, GPT-4o or Nemotron Ultra 253B?

GPT-4o scores higher overall with 56 vs 40, a difference of 16 points across all benchmarks.

Which is better for knowledge tasks, GPT-4o or Nemotron Ultra 253B?

GPT-4o leads in knowledge tasks with an average score of 64.5 vs 46.8.

Which is better for coding, GPT-4o or Nemotron Ultra 253B?

GPT-4o leads in coding with an average score of 58 vs 41.

Which is better for math, GPT-4o or Nemotron Ultra 253B?

GPT-4o leads in math with an average score of 65 vs 48.

Which is better for reasoning, GPT-4o or Nemotron Ultra 253B?

GPT-4o leads in reasoning with an average score of 63 vs 46.