benchlm.ai

Kimi K2.5 vs Nemotron 3 Ultra 500B

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

Quick Verdict

Kimi K2.5 wins overall with a score of 62 vs 60 (2 point difference).Kimi K2.5 wins 4 out of 4 categories.

Kimi K2.5

CreatorMoonshot AI
TypeOpen Weight
Context128K
Score62

Nemotron 3 Ultra 500B

CreatorNVIDIA
TypeOpen Weight
Context32K
Score60

Knowledge

Kimi K2.5

Kimi K2.5

74.8

Nemotron 3 Ultra 500B

71.8

77
MMLU
74
76
GPQA
73
74
SuperGPQA
71
72
OpenBookQA
69

Coding

Kimi K2.5

Kimi K2.5

69

Nemotron 3 Ultra 500B

66

69
HumanEval
66

Mathematics

Kimi K2.5

Kimi K2.5

76

Nemotron 3 Ultra 500B

73

77
AIME 2023
74
79
AIME 2024
76
78
AIME 2025
75
73
HMMT Feb 2023
70
75
HMMT Feb 2024
72
74
HMMT Feb 2025
71
76
BRUMO 2025
73

Reasoning

Kimi K2.5

Kimi K2.5

73

Nemotron 3 Ultra 500B

70

74
SimpleQA
71
72
MuSR
69

Frequently Asked Questions

Which is better, Kimi K2.5 or Nemotron 3 Ultra 500B?

Kimi K2.5 scores higher overall with 62 vs 60, a difference of 2 points across all benchmarks.

Which is better for knowledge tasks, Kimi K2.5 or Nemotron 3 Ultra 500B?

Kimi K2.5 leads in knowledge tasks with an average score of 74.8 vs 71.8.

Which is better for coding, Kimi K2.5 or Nemotron 3 Ultra 500B?

Kimi K2.5 leads in coding with an average score of 69 vs 66.

Which is better for math, Kimi K2.5 or Nemotron 3 Ultra 500B?

Kimi K2.5 leads in math with an average score of 76 vs 73.

Which is better for reasoning, Kimi K2.5 or Nemotron 3 Ultra 500B?

Kimi K2.5 leads in reasoning with an average score of 73 vs 70.

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