If you're seeking a different alternative to ExperAI, Visus is worth a look. It's a personalized ChatGPT AI training platform that lets you create a custom AI model based on your own documents and knowledge base. The platform offers immediate answers to questions about your documents and supports a conversational interface. It also offers unlimited storage for knowledge and integrates with tools like Google Drive, Confluence, and Slack.
Another alternative is Heuristica, an AI-powered concept mapping tool. It uses a mind map interface to help you learn, research, and be creative. The tool integrates with a variety of sources, including Wikipedia, arXiv, and YouTube, and offers immediate results. It supports multiple languages and offers flashcards and content creation abilities, so it's a flexible and personalized way to explore subjects.