Improving GPT‑5.6 Sol in ChatGPT, and expanding access to GPT-5.6 Luna for free users

UpdateAug 6, 2026VerifiedAdded Sep 22, 2026

ChatGPT introduces improved GPT-5.6 Sol with better accuracy and consistency, plus expanded access for free users and unlimited everyday chats with GPT-5.6 Luna.

LLMs

Read OpenAI's release notes

https://openai.com/index/improving-gpt-5-6-sol-in-chatgpt

Summaries of vendors' own notes. Product names and logos belong to their owners; logos via logo.dev.

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