ChatGPT offers a permanent Free plan available to all users. Occasionally,...

https://zandersexcellentblog.quillnesty.com/posts/do-chatgpt-free-trials-require-a-credit-card-or-not

ChatGPT offers a permanent Free plan available to all users. Occasionally, targeted promotions provide a limited free trial for the Plus plan, which may require a payment card and auto-renews after the trial ends