benchlm.ai

Grok Code Fast 1 vs Nemotron Ultra 253B

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

Quick Verdict

Grok Code Fast 1 wins overall with a score of 54 vs 40 (14 point difference).Grok Code Fast 1 wins 4 out of 4 categories.

Grok Code Fast 1

CreatorxAI
TypeProprietary
Context256K
Score54

Nemotron Ultra 253B

CreatorNVIDIA
TypeOpen Weight
Context32K
Score40

Knowledge

Grok Code Fast 1

Grok Code Fast 1

61.8

Nemotron Ultra 253B

46.8

64
MMLU
49
63
GPQA
48
61
SuperGPQA
46
59
OpenBookQA
44

Coding

Grok Code Fast 1

Grok Code Fast 1

60

Nemotron Ultra 253B

41

60
HumanEval
41

Mathematics

Grok Code Fast 1

Grok Code Fast 1

63

Nemotron Ultra 253B

48

64
AIME 2023
49
66
AIME 2024
51
65
AIME 2025
50
60
HMMT Feb 2023
45
62
HMMT Feb 2024
47
61
HMMT Feb 2025
46
63
BRUMO 2025
48

Reasoning

Grok Code Fast 1

Grok Code Fast 1

60

Nemotron Ultra 253B

46

61
SimpleQA
47
59
MuSR
45

Frequently Asked Questions

Which is better, Grok Code Fast 1 or Nemotron Ultra 253B?

Grok Code Fast 1 scores higher overall with 54 vs 40, a difference of 14 points across all benchmarks.

Which is better for knowledge tasks, Grok Code Fast 1 or Nemotron Ultra 253B?

Grok Code Fast 1 leads in knowledge tasks with an average score of 61.8 vs 46.8.

Which is better for coding, Grok Code Fast 1 or Nemotron Ultra 253B?

Grok Code Fast 1 leads in coding with an average score of 60 vs 41.

Which is better for math, Grok Code Fast 1 or Nemotron Ultra 253B?

Grok Code Fast 1 leads in math with an average score of 63 vs 48.

Which is better for reasoning, Grok Code Fast 1 or Nemotron Ultra 253B?

Grok Code Fast 1 leads in reasoning with an average score of 60 vs 46.

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