ChatGTP (Free)It can help with a variety of tasks such as search for information, write emails, poems, stories, and scripts, answer questions, generate ideas and bullet points for specific topics, refine question prompts to gain more specific information, explain complex topics, solve and explain complex math problems step-by-step, and more. It also can respond to prompts to a desired length, format, style, level of detail, and language used. The paid subscription to ChatGTP 4 offers access to more current info, faster response, and better prompt refinement.