benchlm.ai

Kimi K2.5 (Reasoning) vs Llama 3.1 405B

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

Quick Verdict

Kimi K2.5 (Reasoning) wins overall with a score of 71 vs 58 (13 point difference).Kimi K2.5 (Reasoning) wins 4 out of 4 categories.

Kimi K2.5 (Reasoning)

CreatorMoonshot AI
TypeOpen Weight
Context128K
Score71

Llama 3.1 405B

CreatorMeta
TypeOpen Weight
Context128K
Score58

Knowledge

Kimi K2.5 (Reasoning)

Kimi K2.5 (Reasoning)

89

Llama 3.1 405B

68.5

92
MMLU
70
90
GPQA
70
88
SuperGPQA
68
86
OpenBookQA
66

Coding

Kimi K2.5 (Reasoning)

Kimi K2.5 (Reasoning)

84

Llama 3.1 405B

62

84
HumanEval
62

Mathematics

Kimi K2.5 (Reasoning)

Kimi K2.5 (Reasoning)

93

Llama 3.1 405B

69

94
AIME 2023
70
96
AIME 2024
72
95
AIME 2025
71
90
HMMT Feb 2023
66
92
HMMT Feb 2024
68
91
HMMT Feb 2025
67
93
BRUMO 2025
69

Reasoning

Kimi K2.5 (Reasoning)

Kimi K2.5 (Reasoning)

87

Llama 3.1 405B

67

88
SimpleQA
68
86
MuSR
66

Frequently Asked Questions

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

Kimi K2.5 (Reasoning) scores higher overall with 71 vs 58, a difference of 13 points across all benchmarks.

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

Kimi K2.5 (Reasoning) leads in knowledge tasks with an average score of 89 vs 68.5.

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

Kimi K2.5 (Reasoning) leads in coding with an average score of 84 vs 62.

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

Kimi K2.5 (Reasoning) leads in math with an average score of 93 vs 69.

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

Kimi K2.5 (Reasoning) leads in reasoning with an average score of 87 vs 67.

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