GPT-5.2 Pro vs Kimi K3
Compare GPT-5.2 Pro by OpenAI against Kimi K3 by Moonshot AI, context windows of 400K vs 1.0M, tested across 31 shared challenges.
Our Verdict
GPT-5.2 Pro
Kimi K3
No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.
Kimi K3 is 11x cheaper per token — worth considering if cost matters.
Too close to call
API pricing
Cost per 1M tokens
GPT-5.2 Pro
Input
$21.00
Output
$168.00
Kimi K3
Input
$3.00
7.0× cheaper
Output
$15.00
11× cheaper
Kimi K3 is cheaper on both — 7.0× input, 11× output
Writing DNA
Style Comparison
Similarity
37%
Kimi K3 uses 77.9x more emoji
GPT-5.2 Pro
Kimi K3
62%Vocabulary58%
19wSentence Length21w
0.39Hedging0.46
8.6Bold3.6
3.8Lists3.4
0.00Emoji0.78
1.17Headings0.89
0.02Transitions0.17
Based on 10 + 27 text responses
Research
What we learned reading every model
FAQ
Common questions
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