Claude Opus 4.1 vs Kimi K2.7 Code
Compare Claude Opus 4.1 by Anthropic against Kimi K2.7 Code by Moonshot AI, context windows of 200K vs 262K, tested across 53 shared challenges.
Our Verdict
Claude Opus 4.1
Kimi K2.7 Code
No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.
Kimi K2.7 Code is 19x cheaper per token — worth considering if cost matters.
Too close to call
API pricing
Cost per 1M tokens
Claude Opus 4.1
Input
$15.00
Output
$75.00
Kimi K2.7 Code
Input
$0.95
16× cheaper
Output
$4.00
19× cheaper
Kimi K2.7 Code is cheaper on both — 16× input, 19× output
Writing DNA
Style Comparison
Similarity
38%
Claude Opus 4.1 uses 38.4x more emoji
Claude Opus 4.1
Kimi K2.7 Code
61%Vocabulary57%
87wSentence Length19w
0.54Hedging0.51
5.1Bold4.7
6.7Lists3.3
0.38Emoji0.00
1.68Headings0.76
0.13Transitions0.05
Based on 17 + 27 text responses
Research
What we learned reading every model
FAQ
