Which ChatGPT Plan Do You Need?
Free, Go, Plus, Pro or Business? Pick by what you do each week. Prices checked 5 November 2026, with who should stay on Free and when Plus is the wrong buy.
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ChatGPT "Context window full": what to do
Why ChatGPT shows Context window full, what the summary carries into a new chat, how large each plan's window is, and how to stop a chat filling up.
Can You Share One ChatGPT Account?
OpenAI's terms say no, even for a couple. Read the exact wording, what sharing does to your limits and private chats, and what separate plans cost in 2026.
GPT-6 Astra vs Sol vs Luna in ChatGPT
Astra now ranks above Sol, so older guides name the wrong best model. Here is what each GPT-6 tier is for in ChatGPT and what the same models cost in the API.