benchlm.ai

Claude 3 Opus vs Kimi K2

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

Quick Verdict

Claude 3 Opus wins overall with a score of 51 vs 23 (28 point difference).Claude 3 Opus wins 4 out of 4 categories.

Claude 3 Opus

CreatorAnthropic
TypeProprietary
Context200K
Score51

Kimi K2

CreatorMoonshot AI
TypeProprietary
Context128K
Score23

Knowledge

Claude 3 Opus

Claude 3 Opus

59.5

Kimi K2

29.8

61
MMLU
32
61
GPQA
31
59
SuperGPQA
29
57
OpenBookQA
27

Coding

Claude 3 Opus

Claude 3 Opus

53

Kimi K2

24

53
HumanEval
24

Mathematics

Claude 3 Opus

Claude 3 Opus

60

Kimi K2

31

61
AIME 2023
32
63
AIME 2024
34
62
AIME 2025
33
57
HMMT Feb 2023
28
59
HMMT Feb 2024
30
58
HMMT Feb 2025
29
60
BRUMO 2025
31

Reasoning

Claude 3 Opus

Claude 3 Opus

58

Kimi K2

29

59
SimpleQA
30
57
MuSR
28

Frequently Asked Questions

Which is better, Claude 3 Opus or Kimi K2?

Claude 3 Opus scores higher overall with 51 vs 23, a difference of 28 points across all benchmarks.

Which is better for knowledge tasks, Claude 3 Opus or Kimi K2?

Claude 3 Opus leads in knowledge tasks with an average score of 59.5 vs 29.8.

Which is better for coding, Claude 3 Opus or Kimi K2?

Claude 3 Opus leads in coding with an average score of 53 vs 24.

Which is better for math, Claude 3 Opus or Kimi K2?

Claude 3 Opus leads in math with an average score of 60 vs 31.

Which is better for reasoning, Claude 3 Opus or Kimi K2?

Claude 3 Opus leads in reasoning with an average score of 58 vs 29.

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