benchlm.ai

Claude 4.1 Opus vs Kimi K2

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

Quick Verdict

Claude 4.1 Opus wins overall with a score of 61 vs 23 (38 point difference).Claude 4.1 Opus wins 4 out of 4 categories.

Claude 4.1 Opus

CreatorAnthropic
TypeProprietary
Context200K
Score61

Kimi K2

CreatorMoonshot AI
TypeProprietary
Context128K
Score23

Knowledge

Claude 4.1 Opus

Claude 4.1 Opus

74.5

Kimi K2

29.8

76
MMLU
32
76
GPQA
31
74
SuperGPQA
29
72
OpenBookQA
27

Coding

Claude 4.1 Opus

Claude 4.1 Opus

68

Kimi K2

24

68
HumanEval
24

Mathematics

Claude 4.1 Opus

Claude 4.1 Opus

75

Kimi K2

31

76
AIME 2023
32
78
AIME 2024
34
77
AIME 2025
33
72
HMMT Feb 2023
28
74
HMMT Feb 2024
30
73
HMMT Feb 2025
29
75
BRUMO 2025
31

Reasoning

Claude 4.1 Opus

Claude 4.1 Opus

73

Kimi K2

29

74
SimpleQA
30
72
MuSR
28

Frequently Asked Questions

Which is better, Claude 4.1 Opus or Kimi K2?

Claude 4.1 Opus scores higher overall with 61 vs 23, a difference of 38 points across all benchmarks.

Which is better for knowledge tasks, Claude 4.1 Opus or Kimi K2?

Claude 4.1 Opus leads in knowledge tasks with an average score of 74.5 vs 29.8.

Which is better for coding, Claude 4.1 Opus or Kimi K2?

Claude 4.1 Opus leads in coding with an average score of 68 vs 24.

Which is better for math, Claude 4.1 Opus or Kimi K2?

Claude 4.1 Opus leads in math with an average score of 75 vs 31.

Which is better for reasoning, Claude 4.1 Opus or Kimi K2?

Claude 4.1 Opus leads in reasoning with an average score of 73 vs 29.

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