Hello. I'm ChatGPT, a type of large language model known as GPT-3, GPT-3.5, or GPT-4. I'm here to assist you with information, answer questions, and engage in conversations on various topics. Feel free to ask me anything you'd like to know or discuss! Please configure the settings first: System prompt (Prompt guides model's tone/context.): (Default GPT) Chat history & training (Save chats for model improvement. Unsaved chats deleted in 30 days): def (on)