GPT-5.2 Chat vs MoonshotAI: Kimi K3
Compare GPT-5.2 Chat by OpenAI against MoonshotAI: Kimi K3 by Moonshot AI, context windows of 128K vs 1.0M, tested across 52 shared challenges.
Our Verdict
MoonshotAI: Kimi K3
GPT-5.2 ChatRunner-up
No community votes yet. On paper, MoonshotAI: Kimi K3 has the edge — bigger model tier, newer, bigger context window.
Too close to call
API pricing
Cost per 1M tokens
GPT-5.2 Chat
Input
$1.75
1.7× cheaper
Output
$14.00
1.1× cheaper
MoonshotAI: Kimi K3
Input
$3.00
Output
$15.00
GPT-5.2 Chat is cheaper on both — 1.7× input, 1.1× output
Writing DNA
Style Comparison
Similarity
50%
GPT-5.2 Chat uses 2.7x more bold
GPT-5.2 Chat
MoonshotAI: Kimi K3
66%Vocabulary58%
16wSentence Length21w
0.41Hedging0.46
9.6Bold3.6
4.4Lists3.4
0.31Emoji0.78
1.20Headings0.89
0.27Transitions0.17
Based on 16 + 27 text responses
Research
What we learned reading every model
FAQ
