ChatGPT 4 will probably be extremely lucrative for businesses as a extremely trained chatbot permits them to include it into their enterprise. 9.9 Monthly Subscription: Allows 300 questions per day, with the option to keep questions and answers non-public, and no limit on the frequency of questions. Questions and solutions are public, and you may ask one question per minute. They take like a minute. You're free to go wild and ask any question you'd like.