GPT-5.4 Pro vs Kimi K2.7 Code
Compare GPT-5.4 Pro by OpenAI against Kimi K2.7 Code by Moonshot AI, context windows of 1.1M vs 262K, tested across 18 shared challenges.
Our Verdict
GPT-5.4 Pro
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.
Kimi K2.7 Code is 45x cheaper per token — worth considering if cost matters.
Too close to call
API pricing
Cost per 1M tokens
GPT-5.4 Pro
Input
$30.00
Output
$180.00
Kimi K2.7 Code
Input
$0.95
32× cheaper
Output
$4.00
45× cheaper
Kimi K2.7 Code is cheaper on both — 32× input, 45× output
Writing DNA
Style Comparison
Similarity
61%
Kimi K2.7 Code uses 5.1x more transitions
GPT-5.4 Pro
Kimi K2.7 Code
50%Vocabulary57%
35wSentence Length19w
0.70Hedging0.51
7.5Bold4.7
8.3Lists3.3
0.00Emoji0.00
2.52Headings0.76
0.01Transitions0.05
Based on 12 + 27 text responses
Research
What we learned reading every model
FAQ
Common questions
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