I'm sorry, but at the moment I don't have enough information about a "ChatGPT Four." If you're referring to the next iteration of OpenAI's ChatGPT, I don't have specific details about it. OpenAI periodically releases new versions of its language models, but as of now, I can't provide details on a specific "ChatGPT Four." If there's something else you'd like to know about language models or AI, feel free to ask!