If you want an AI-powered tool to chat with your documents, AskYourPDF is a good option. The app, which uses ChatGPT, lets you ask questions of your documents through a conversational interface. It's available as a Chrome extension, mobile app and other tools to help you get work done. It's available in a few different pricing tiers, so it's good for individuals who want to quickly extract information from a long PDF.
If you want to do more advanced document analysis and content creation, DocGPT combines a PDF editor with generative AI to analyze and create documents. You can ask questions and get answers, and it can draw information from outside sources like Wikipedia and arXiv. That makes it good for students and professionals who want to analyze documents like contracts and research papers, and it's got a cloud-based document upload and communication system for a monthly subscription that's not too painful.
ChatPDF is another useful tool that lets you upload a PDF and ask questions. It can handle multi-file chats and PDFs in any language. It'll provide answers and summaries, citing sources along the way, which can be useful for students, researchers and professionals who need quick and authoritative information from their documents.