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GPT-6 Luna

GPT-6 Luna is the light, fast member of OpenAI's GPT-6 family. It gives ChatGPT-style structured answers in seconds and is ideal when you want lists, tables and step-by-step instructions without waiting.

Updated November 13, 20262 min read
Made byOpenAI
GroupEveryday
SpeedVery fast
In ProUnlimited*
fair use

Best for

  • Step-by-step instructions
  • Quick tables and checklists
  • Short translations
  • Everyday Q&A in a ChatGPT style

Strengths

  • Neat, structured formatting by default
  • Reliable at following explicit constraints
  • Fast enough for rapid back-and-forth
  • Good at turning notes into lists

Things to keep in mind

  • Less nuance in long-form writing than Claude
  • For tricky debugging move to Terra or Sol
  • Verify numbers and facts — answers come from training data

Prompts to try

Turn these meeting notes into a checklist with owners and dates.
Translate this page section into Spanish, keep the formatting.
Give me 3 options to phrase this headline, max 60 characters.

Other GPT-6.1 models

GPT-6.1 Terra · GPT-6.1 Sol

Frequently asked questions

Is GPT-6 Luna free to try?

Yes. Your 3 free requests work with GPT-6 Luna. On Pro it's unlimited within fair use.

What is GPT-6 Luna best at?

Step-by-step instructions, quick tables and checklists, short translations.

Does GPT-6 Luna browse the web here?

No. In Chat with all AI models don't run live web searches. Share the page you're on with This page to ground the answer.

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