DeepSeek V3.1 (Reasoning) vs Kimi K2.5

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

Quick Verdict

Kimi K2.5 wins overall with a score of 62 vs 25 (37 point difference).Kimi K2.5 wins 4 out of 4 categories.

Knowledge

Kimi K2.5

DeepSeek V3.1 (Reasoning)

31.8

Kimi K2.5

74.8

34
MMLU
77
33
GPQA
76
31
SuperGPQA
74
29
OpenBookQA
72

Coding

Kimi K2.5

DeepSeek V3.1 (Reasoning)

26

Kimi K2.5

69

26
HumanEval
69

Mathematics

Kimi K2.5

DeepSeek V3.1 (Reasoning)

33

Kimi K2.5

76

34
AIME 2023
77
36
AIME 2024
79
35
AIME 2025
78
30
HMMT Feb 2023
73
32
HMMT Feb 2024
75
31
HMMT Feb 2025
74
33
BRUMO 2025
76

Reasoning

Kimi K2.5

DeepSeek V3.1 (Reasoning)

31

Kimi K2.5

73

32
SimpleQA
74
30
MuSR
72

Frequently Asked Questions

Which is better, DeepSeek V3.1 (Reasoning) or Kimi K2.5?

Kimi K2.5 scores higher overall with 62 vs 25, a difference of 37 points across all benchmarks.

Which is better for knowledge tasks, DeepSeek V3.1 (Reasoning) or Kimi K2.5?

Kimi K2.5 leads in knowledge tasks with an average score of 74.8 vs 31.8.

Which is better for coding, DeepSeek V3.1 (Reasoning) or Kimi K2.5?

Kimi K2.5 leads in coding with an average score of 69 vs 26.

Which is better for math, DeepSeek V3.1 (Reasoning) or Kimi K2.5?

Kimi K2.5 leads in math with an average score of 76 vs 33.

Which is better for reasoning, DeepSeek V3.1 (Reasoning) or Kimi K2.5?

Kimi K2.5 leads in reasoning with an average score of 73 vs 31.