benchlm.ai

Kimi K2 vs Nemotron 3 Ultra 500B

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

Quick Verdict

Nemotron 3 Ultra 500B wins overall with a score of 60 vs 23 (37 point difference).Nemotron 3 Ultra 500B wins 4 out of 4 categories.

Kimi K2

CreatorMoonshot AI
TypeProprietary
Context128K
Score23

Nemotron 3 Ultra 500B

CreatorNVIDIA
TypeOpen Weight
Context32K
Score60

Knowledge

Nemotron 3 Ultra 500B

Kimi K2

29.8

Nemotron 3 Ultra 500B

71.8

32
MMLU
74
31
GPQA
73
29
SuperGPQA
71
27
OpenBookQA
69

Coding

Nemotron 3 Ultra 500B

Kimi K2

24

Nemotron 3 Ultra 500B

66

24
HumanEval
66

Mathematics

Nemotron 3 Ultra 500B

Kimi K2

31

Nemotron 3 Ultra 500B

73

32
AIME 2023
74
34
AIME 2024
76
33
AIME 2025
75
28
HMMT Feb 2023
70
30
HMMT Feb 2024
72
29
HMMT Feb 2025
71
31
BRUMO 2025
73

Reasoning

Nemotron 3 Ultra 500B

Kimi K2

29

Nemotron 3 Ultra 500B

70

30
SimpleQA
71
28
MuSR
69

Frequently Asked Questions

Which is better, Kimi K2 or Nemotron 3 Ultra 500B?

Nemotron 3 Ultra 500B scores higher overall with 60 vs 23, a difference of 37 points across all benchmarks.

Which is better for knowledge tasks, Kimi K2 or Nemotron 3 Ultra 500B?

Nemotron 3 Ultra 500B leads in knowledge tasks with an average score of 71.8 vs 29.8.

Which is better for coding, Kimi K2 or Nemotron 3 Ultra 500B?

Nemotron 3 Ultra 500B leads in coding with an average score of 66 vs 24.

Which is better for math, Kimi K2 or Nemotron 3 Ultra 500B?

Nemotron 3 Ultra 500B leads in math with an average score of 73 vs 31.

Which is better for reasoning, Kimi K2 or Nemotron 3 Ultra 500B?

Nemotron 3 Ultra 500B leads in reasoning with an average score of 70 vs 29.

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