benchlm.ai

Claude 4.1 Opus Thinking 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 29 (33 point difference).Kimi K2.5 wins 4 out of 4 categories.

Claude 4.1 Opus Thinking

CreatorAnthropic
TypeProprietary
Context200K
Score29

Kimi K2.5

CreatorMoonshot AI
TypeOpen Weight
Context128K
Score62

Knowledge

Kimi K2.5

Claude 4.1 Opus Thinking

35.8

Kimi K2.5

74.8

38
MMLU
77
37
GPQA
76
35
SuperGPQA
74
33
OpenBookQA
72

Coding

Kimi K2.5

Claude 4.1 Opus Thinking

30

Kimi K2.5

69

30
HumanEval
69

Mathematics

Kimi K2.5

Claude 4.1 Opus Thinking

37

Kimi K2.5

76

38
AIME 2023
77
40
AIME 2024
79
39
AIME 2025
78
34
HMMT Feb 2023
73
36
HMMT Feb 2024
75
35
HMMT Feb 2025
74
37
BRUMO 2025
76

Reasoning

Kimi K2.5

Claude 4.1 Opus Thinking

35

Kimi K2.5

73

36
SimpleQA
74
34
MuSR
72

Frequently Asked Questions

Which is better, Claude 4.1 Opus Thinking or Kimi K2.5?

Kimi K2.5 scores higher overall with 62 vs 29, a difference of 33 points across all benchmarks.

Which is better for knowledge tasks, Claude 4.1 Opus Thinking or Kimi K2.5?

Kimi K2.5 leads in knowledge tasks with an average score of 74.8 vs 35.8.

Which is better for coding, Claude 4.1 Opus Thinking or Kimi K2.5?

Kimi K2.5 leads in coding with an average score of 69 vs 30.

Which is better for math, Claude 4.1 Opus Thinking or Kimi K2.5?

Kimi K2.5 leads in math with an average score of 76 vs 37.

Which is better for reasoning, Claude 4.1 Opus Thinking or Kimi K2.5?

Kimi K2.5 leads in reasoning with an average score of 73 vs 35.

Related Comparisons

Claude 4.1 Opus Thinking vs GPT-5.4Claude 4.1 Opus Thinking vs Gemini 3.1 ProClaude 4.1 Opus Thinking vs Claude Opus 4.6Claude 4.1 Opus Thinking vs GPT-5.3 CodexClaude 4.1 Opus Thinking vs Grok 4.1Claude 4.1 Opus Thinking vs GPT-5.2