OpenAI: GPT-5.6 Luna vs Kimi K2.6
Compare OpenAI: GPT-5.6 Luna by OpenAI against Kimi K2.6 by Moonshot AI, in 2 community votes, openai: gpt-5.6 luna wins 100% of head-to-head duels, context windows of 1.1M vs 262K, tested across 54 shared challenges.
Our Verdict
OpenAI: GPT-5.6 LunaWinner
Kimi K2.6Runner-up
Pick OpenAI: GPT-5.6 Luna. In 2 blind votes, OpenAI: GPT-5.6 Luna wins 100% of the time. That's not luck.
Clear winner
API pricing
Cost per 1M tokens
OpenAI: GPT-5.6 Luna
Input
$1.00
Output
$6.00
Kimi K2.6
Input
$0.95
1.1× cheaper
Output
$4.00
1.5× cheaper
Kimi K2.6 is cheaper on both — 1.1× input, 1.5× output
Writing DNA
Style Comparison
Similarity
39%
Kimi K2.6 uses 3.4x more emoji
OpenAI: GPT-5.6 Luna
Kimi K2.6
59%Vocabulary57%
19wSentence Length16w
0.84Hedging0.37
2.7Bold4.3
4.5Lists2.0
0.00Emoji0.03
1.20Headings0.53
0.10Transitions0.16
Based on 27 + 27 text responses
Research
What we learned reading every model
FAQ
