GPT-5.4 Nano vs Kimi K2.7 Code
Compare GPT-5.4 Nano by OpenAI against Kimi K2.7 Code by Moonshot AI, context windows of 400K vs 262K, tested across 53 shared challenges.
Our Verdict
GPT-5.4 Nano
Kimi K2.7 Code
No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.
GPT-5.4 Nano is 3.2x cheaper per token — worth considering if cost matters.
Too close to call
API pricing
Cost per 1M tokens
GPT-5.4 Nano
Input
$0.20
4.7× cheaper
Output
$1.25
3.2× cheaper
Kimi K2.7 Code
Input
$0.95
Output
$4.00
GPT-5.4 Nano is cheaper on both — 4.7× input, 3.2× output
Writing DNA
Style Comparison
Similarity
52%
GPT-5.4 Nano
Kimi K2.7 Code
51%Vocabulary57%
21wSentence Length19w
0.58Hedging0.51
7.1Bold4.7
5.5Lists3.3
0.01Emoji0.00
1.39Headings0.76
0.05Transitions0.05
Based on 23 + 27 text responses
Research
What we learned reading every model
FAQ
