Claude Opus 4.1 vs Kimi Linear 48B A3B Instruct
Compare Claude Opus 4.1 by Anthropic against Kimi Linear 48B A3B Instruct by Moonshot AI, context windows of 200K vs 1.0M, tested across 34 shared challenges.
Our Verdict
Claude Opus 4.1
Kimi Linear 48B A3B Instruct
No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.
Kimi Linear 48B A3B Instruct is 125x 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 Linear 48B A3B Instruct
Input
$0.30
50× cheaper
Output
$0.60
125× cheaper
Kimi Linear 48B A3B Instruct is cheaper on both — 50× input, 125× output
Writing DNA
Style Comparison
Similarity
30%
Claude Opus 4.1 uses 38.4x more emoji
Claude Opus 4.1
Kimi Linear 48B A3B Instruct
61%Vocabulary63%
87wSentence Length15w
0.54Hedging0.19
5.1Bold5.2
6.7Lists3.2
0.38Emoji0.00
1.68Headings0.38
0.13Transitions0.05
Based on 17 + 14 text responses
Research
What we learned reading every model
FAQ
