OpenAI is adding unlimited text chats for Free users, and a new option that delivers more reliable answers for Plus and Pro users, the company said in a Thursday (Aug. 6) blog post. Complete the form to unlock this article and enjoy unlimited free access to all PYMNTS content — no additional logins required. Free users will be able to access GPT-5.6 Luna as the default model and to have unlimited text chats using the model. For Plus and Pro users, OpenAI has also added a new slider in ChatGPT on web, mobile and desktop that lets users determine how much time ChatGPT spends thinking about a response, the post said. OpenAI has found that these users deploy AI more often and more deeply as they gain confidence in it.