benchlm.ai

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

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 24 (47 point difference).Kimi K2.5 (Reasoning) wins 4 out of 4 categories.

DeepSeek V3.1

CreatorDeepSeek
TypeOpen Weight
Context128K
Score24

Kimi K2.5 (Reasoning)

CreatorMoonshot AI
TypeOpen Weight
Context128K
Score71

Knowledge

Kimi K2.5 (Reasoning)

DeepSeek V3.1

30.8

Kimi K2.5 (Reasoning)

89

33
MMLU
92
32
GPQA
90
30
SuperGPQA
88
28
OpenBookQA
86

Coding

Kimi K2.5 (Reasoning)

DeepSeek V3.1

25

Kimi K2.5 (Reasoning)

84

25
HumanEval
84

Mathematics

Kimi K2.5 (Reasoning)

DeepSeek V3.1

32

Kimi K2.5 (Reasoning)

93

33
AIME 2023
94
35
AIME 2024
96
34
AIME 2025
95
29
HMMT Feb 2023
90
31
HMMT Feb 2024
92
30
HMMT Feb 2025
91
32
BRUMO 2025
93

Reasoning

Kimi K2.5 (Reasoning)

DeepSeek V3.1

30

Kimi K2.5 (Reasoning)

87

31
SimpleQA
88
29
MuSR
86

Frequently Asked Questions

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

Kimi K2.5 (Reasoning) scores higher overall with 71 vs 24, a difference of 47 points across all benchmarks.

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

Kimi K2.5 (Reasoning) leads in knowledge tasks with an average score of 89 vs 30.8.

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

Kimi K2.5 (Reasoning) leads in coding with an average score of 84 vs 25.

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

Kimi K2.5 (Reasoning) leads in math with an average score of 93 vs 32.

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

Kimi K2.5 (Reasoning) leads in reasoning with an average score of 87 vs 30.

Related Comparisons

DeepSeek V3.1 vs GPT-5.4DeepSeek V3.1 vs Gemini 3.1 ProDeepSeek V3.1 vs Claude Opus 4.6DeepSeek V3.1 vs GPT-5.3 CodexDeepSeek V3.1 vs Grok 4.1DeepSeek V3.1 vs GPT-5.2