Question: Can you recommend a learning tool that uses AI to provide accurate answers and offers a private and secure way to upload my documents?

ChatDOC is a powerful AI-based information retrieval system that lets you analyze and summarize different types of documents, including PDFs. It offers immediate answers to questions, deeper AI analysis and image analysis with GPT-4 integration. The tool protects data privacy by encrypting files as you upload them and offers a browser extension for quick access. A free plan is available, but a Pro plan with more features costs $360 per year.

Another good option is Docufai, an AI-based document assistant for industries like research, law and financial services. It offers immediate answers, automatically generated summaries and access to your cloud stored documents. Docufai protects your documents with industry standard encryption and offers customizable workspaces, so it can be used for personal and professional purposes.

For a highly customizable option, check out Visus. The platform lets you create your own AI model based on your own documents and knowledge base. It offers immediate answers, unlimited storage and strong security with options like AES 256 encryption. Visus integrates with tools like Google Drive and Slack for a flexible and secure way to manage your knowledge base.