OpenAI: GPT-5.6 Luna vs Kimi K2.7 Code
Compare OpenAI: GPT-5.6 Luna by OpenAI against Kimi K2.7 Code by Moonshot AI, in 5 community votes, kimi k2.7 code wins 75% of head-to-head duels, context windows of 1.1M vs 262K, tested across 54 shared challenges.
Image Generation: Kimi K2.7 Code wins 67% of votes
Our Verdict
Kimi K2.7 CodeWinner
OpenAI: GPT-5.6 LunaRunner-up
Pick Kimi K2.7 Code. In 5 blind votes, Kimi K2.7 Code wins 75% of the time. That's not luck.
Kimi K2.7 Code particularly excels in Image Generation.
Clear winner
API pricing
Cost per 1M tokens
OpenAI: GPT-5.6 Luna
Input
$1.00
Output
$6.00
Kimi K2.7 Code
Input
$0.95
1.1× cheaper
Output
$4.00
1.5× cheaper
Kimi K2.7 Code is cheaper on both — 1.1× input, 1.5× output
Writing DNA
Style Comparison
Similarity
76%
OpenAI: GPT-5.6 Luna uses 1.9x more transitions
OpenAI: GPT-5.6 Luna
Kimi K2.7 Code
59%Vocabulary57%
19wSentence Length19w
0.84Hedging0.51
2.7Bold4.7
4.5Lists3.3
0.00Emoji0.00
1.20Headings0.76
0.10Transitions0.05
Based on 27 + 27 text responses
Research
What we learned reading every model
FAQ
