ChatGPT offers a permanent Free plan anyone can use without a trial....

https://www.pawn-bookmarks.win/chatgpt-offers-a-permanent-free-plan-with-basic-access-available-to-everyone

ChatGPT offers a permanent Free plan anyone can use without a trial. Occasionally, OpenAI runs targeted promotions for ChatGPT Plus free trials, which may require a card and will auto-renew into a paid subscription unless canceled