Question: I'm looking for a platform that uses AI to help me analyze and understand complex documents more efficiently.

ChatDOC is an AI-based information retrieval system that works with a variety of document formats, including PDF, DOC and EPUB. It can provide immediate answers to questions, perform in-depth AI analysis of text or tables you select, and have a conversation across multiple documents for more advanced research. The tool also can analyze math formulas and explain them. You can also train your own models to customize results. With a browser extension for uploading PDFs and encryption to protect data, ChatDOC is good for students, professionals and businesses.

If you're looking for something geared specifically for PDFs, ChatPDF offers an AI-based tool that can process any PDF in any language. You can upload PDFs and ask questions, and the tool will return answers with sources cited. That makes it good for students, researchers and pros who need to get quick answers from PDFs.

Last, Unriddle offers an AI assistant embedded in any document to help you quickly find information, summarize complex subjects, take notes and write. It works with more than 90 languages and offers features like automatically linking related sources, highlighting text and creating interactive graphs to show relationships. That makes it good for researchers trying to process and extract information from lots of documents.