benchlm.ai

Claude 4.1 Opus Thinking vs Kimi K2

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

Quick Verdict

Claude 4.1 Opus Thinking wins overall with a score of 29 vs 23 (6 point difference).Claude 4.1 Opus Thinking wins 4 out of 4 categories.

Claude 4.1 Opus Thinking

CreatorAnthropic
TypeProprietary
Context200K
Score29

Kimi K2

CreatorMoonshot AI
TypeProprietary
Context128K
Score23

Knowledge

Claude 4.1 Opus Thinking

Claude 4.1 Opus Thinking

35.8

Kimi K2

29.8

38
MMLU
32
37
GPQA
31
35
SuperGPQA
29
33
OpenBookQA
27

Coding

Claude 4.1 Opus Thinking

Claude 4.1 Opus Thinking

30

Kimi K2

24

30
HumanEval
24

Mathematics

Claude 4.1 Opus Thinking

Claude 4.1 Opus Thinking

37

Kimi K2

31

38
AIME 2023
32
40
AIME 2024
34
39
AIME 2025
33
34
HMMT Feb 2023
28
36
HMMT Feb 2024
30
35
HMMT Feb 2025
29
37
BRUMO 2025
31

Reasoning

Claude 4.1 Opus Thinking

Claude 4.1 Opus Thinking

35

Kimi K2

29

36
SimpleQA
30
34
MuSR
28

Frequently Asked Questions

Which is better, Claude 4.1 Opus Thinking or Kimi K2?

Claude 4.1 Opus Thinking scores higher overall with 29 vs 23, a difference of 6 points across all benchmarks.

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

Claude 4.1 Opus Thinking leads in knowledge tasks with an average score of 35.8 vs 29.8.

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

Claude 4.1 Opus Thinking leads in coding with an average score of 30 vs 24.

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

Claude 4.1 Opus Thinking leads in math with an average score of 37 vs 31.

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

Claude 4.1 Opus Thinking leads in reasoning with an average score of 35 vs 29.

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