GPT-5 Mini vs OpenAI: GPT-5.6 Luna
Compare GPT-5 Mini and OpenAI: GPT-5.6 Luna, both from OpenAI, tested across 54 shared challenges.
Our Verdict
GPT-5 Mini
OpenAI: GPT-5.6 Luna
No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.
GPT-5 Mini is 3.0x cheaper per token — worth considering if cost matters.
Too close to call
API pricing
Cost per 1M tokens
GPT-5 Mini
Input
$0.25
4.0× cheaper
Output
$2.00
3.0× cheaper
OpenAI: GPT-5.6 Luna
Input
$1.00
Output
$6.00
GPT-5 Mini is cheaper on both — 4.0× input, 3.0× output
Writing DNA
Style Comparison
Similarity
53%
OpenAI: GPT-5.6 Luna uses 275.0x more bold
GPT-5 Mini
OpenAI: GPT-5.6 Luna
62%Vocabulary59%
21wSentence Length19w
0.16Hedging0.84
0.0Bold2.7
3.4Lists4.5
0.00Emoji0.00
0.00Headings1.20
0.05Transitions0.10
Based on 15 + 27 text responses
Research
What we learned reading every model
FAQ
