GPT-5.2 vs Kimi K2.5
Compare GPT-5.2 by OpenAI against Kimi K2.5 by Moonshot AI, context windows of 400K vs 262K, tested across 52 shared challenges.
Our Verdict
GPT-5.2
Kimi K2.5Runner-up
No community votes yet. On paper, GPT-5.2 has the edge — bigger model tier, bigger context window, major provider backing.
Kimi K2.5 is 4.7x cheaper per token — worth considering if cost matters.
Too close to call
API pricing
Cost per 1M tokens
GPT-5.2
Input
$1.75
Output
$14.00
Kimi K2.5
Input
$0.60
2.9× cheaper
Output
$3.00
4.7× cheaper
Kimi K2.5 is cheaper on both — 2.9× input, 4.7× output
Writing DNA
Style Comparison
Similarity
57%
GPT-5.2 uses 5.8x more emoji
GPT-5.2
Kimi K2.5
64%Vocabulary61%
16wSentence Length21w
0.34Hedging0.55
9.4Bold4.9
3.9Lists2.8
0.06Emoji0.01
0.89Headings0.56
0.31Transitions0.17
Based on 15 + 20 text responses
Research
What we learned reading every model
FAQ
Common questions
Keep exploring
