Kimi K2.6 vs OpenAI o3
Compare Kimi K2.6 by Moonshot AI against OpenAI o3 by OpenAI, tested across 53 shared challenges.
Our Verdict
OpenAI o3
Kimi K2.6Runner-up
No community votes yet. On paper, OpenAI o3 has the edge — bigger model tier, major provider backing.
Kimi K2.6 is 10x cheaper per token — worth considering if cost matters.
Too close to call
API pricing
Cost per 1M tokens
Kimi K2.6
Input
$0.95
11× cheaper
Output
$4.00
10× cheaper
OpenAI o3
Input
$10.00
Output
$40.00
Kimi K2.6 is cheaper on both — 11× input, 10× output
Writing DNA
Style Comparison
Similarity
60%
Kimi K2.6 uses 3.4x more emoji
Kimi K2.6
OpenAI o3
57%Vocabulary68%
16wSentence Length14w
0.37Hedging0.26
4.3Bold0.7
2.0Lists3.0
0.03Emoji0.00
0.53Headings0.38
0.16Transitions0.12
Based on 27 + 16 text responses
Research
What we learned reading every model
FAQ
