If you want a conversational AI platform to explore complex topics and get a better grasp of a subject, ExperAI could be a great option. You can ask questions of an AI expert in a subject, drill down further by switching to a different expert, and upload your own context for discussion. The result is a more personal exploration of a subject.
Another interesting option is Heuristica, which uses AI-generated concept mapping to present and organize complex information. It can draw from a variety of sources, accept custom prompts, and handle multiple languages. It's geared for researchers, students and businesspeople who want to make learning and research more engaging and productive.
Last, ChatPlayground lets you ask questions of multiple AI chatbot models at once, including ChatGPT and others. It's got smart web access, a library of prompts created by experts, and the ability to import content, so it's good for developers, researchers and students who need a variety of authoritative answers to complex questions.