ChatGPT GPT-5.6 Sol & Luna upgrade

About

GPT-5.6 Sol for Plus/Pro (Instant + reasoning), unlimited GPT-5.6 Luna for Free/Go, plus reasoning effort slider.

Product

ChatGPT

Company

OpenAI

Category

AI

Posted

Aug 6, 2026

Duration

0:09

Views on X

4,568,977snapshot Sep 14, 2026

Author

@OpenAI

Original

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Tags

chatgpt · gpt-5.6 · openai