OpenAI: GPT-5.6 Luna vs Kimi Linear 48B A3B Instruct
Compare OpenAI: GPT-5.6 Luna by OpenAI against Kimi Linear 48B A3B Instruct by Moonshot AI, context windows of 1.1M vs 1.0M, tested across 34 shared challenges.
Our Verdict
OpenAI: GPT-5.6 Luna
Kimi Linear 48B A3B Instruct
No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.
Kimi Linear 48B A3B Instruct is 10x cheaper per token — worth considering if cost matters.
Too close to call
API pricing
Cost per 1M tokens
OpenAI: GPT-5.6 Luna
Input
$1.00
Output
$6.00
Kimi Linear 48B A3B Instruct
Input
$0.30
3.3× cheaper
Output
$0.60
10× cheaper
Kimi Linear 48B A3B Instruct is cheaper on both — 3.3× input, 10× output
Writing DNA
Style Comparison
Similarity
38%
OpenAI: GPT-5.6 Luna uses 4.4x more hedging
OpenAI: GPT-5.6 Luna
Kimi Linear 48B A3B Instruct
59%Vocabulary63%
19wSentence Length15w
0.84Hedging0.19
2.7Bold5.2
4.5Lists3.2
0.00Emoji0.00
1.20Headings0.38
0.10Transitions0.05
Based on 27 + 14 text responses
Research
What we learned reading every model
FAQ
