DeepSeek V3.1 vs Kimi K3
Compare DeepSeek V3.1 by DeepSeek against Kimi K3 by Moonshot AI, context windows of 164K vs 1.0M, tested across 53 shared challenges.
Our Verdict
DeepSeek V3.1
Kimi K3
No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.
DeepSeek V3.1 is 19x cheaper per token — worth considering if cost matters.
Too close to call
API pricing
Cost per 1M tokens
DeepSeek V3.1
Input
$0.20
15× cheaper
Output
$0.80
19× cheaper
Kimi K3
Input
$3.00
Output
$15.00
DeepSeek V3.1 is cheaper on both — 15× input, 19× output
Writing DNA
Style Comparison
Similarity
36%
Kimi K3 uses 33.1x more emoji
DeepSeek V3.1
Kimi K3
53%Vocabulary58%
14wSentence Length21w
0.42Hedging0.46
4.0Bold3.6
3.6Lists3.4
0.02Emoji0.78
0.40Headings0.89
0.22Transitions0.17
Based on 23 + 27 text responses
Research
What we learned reading every model
FAQ
Common questions
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