benchlm.ai

Kimi K2.5 vs Llama 3.1 405B

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

Quick Verdict

Kimi K2.5 wins overall with a score of 62 vs 58 (4 point difference).Kimi K2.5 wins 4 out of 4 categories.

Kimi K2.5

CreatorMoonshot AI
TypeOpen Weight
Context128K
Score62

Llama 3.1 405B

CreatorMeta
TypeOpen Weight
Context128K
Score58

Knowledge

Kimi K2.5

Kimi K2.5

74.8

Llama 3.1 405B

68.5

77
MMLU
70
76
GPQA
70
74
SuperGPQA
68
72
OpenBookQA
66

Coding

Kimi K2.5

Kimi K2.5

69

Llama 3.1 405B

62

69
HumanEval
62

Mathematics

Kimi K2.5

Kimi K2.5

76

Llama 3.1 405B

69

77
AIME 2023
70
79
AIME 2024
72
78
AIME 2025
71
73
HMMT Feb 2023
66
75
HMMT Feb 2024
68
74
HMMT Feb 2025
67
76
BRUMO 2025
69

Reasoning

Kimi K2.5

Kimi K2.5

73

Llama 3.1 405B

67

74
SimpleQA
68
72
MuSR
66

Frequently Asked Questions

Which is better, Kimi K2.5 or Llama 3.1 405B?

Kimi K2.5 scores higher overall with 62 vs 58, a difference of 4 points across all benchmarks.

Which is better for knowledge tasks, Kimi K2.5 or Llama 3.1 405B?

Kimi K2.5 leads in knowledge tasks with an average score of 74.8 vs 68.5.

Which is better for coding, Kimi K2.5 or Llama 3.1 405B?

Kimi K2.5 leads in coding with an average score of 69 vs 62.

Which is better for math, Kimi K2.5 or Llama 3.1 405B?

Kimi K2.5 leads in math with an average score of 76 vs 69.

Which is better for reasoning, Kimi K2.5 or Llama 3.1 405B?

Kimi K2.5 leads in reasoning with an average score of 73 vs 67.

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