If you're looking for a Brevity alternative, Unriddle is a good option. This AI-powered tool lets you read and research documents more effectively by creating an AI assistant on top of any document. It can provide immediate answers to your questions, explain complex subjects, take notes and write documents. Unriddle also can present information graphically to show relationships and support more than 90 languages. It's good for researchers who need to quickly understand and extract information from lots of documents.
Another good option is ChatPDF, which is designed to understand PDFs, especially research papers, academic papers and legal contracts. You can upload a PDF and ask questions, and the tool will provide answers and summaries. It can handle multi-file chats, too, and will cite sources. That makes it a good option for anyone who wants quick answers from documents. ChatPDF can understand PDFs in any language and respond in the same language, which is useful for people outside the US.
If you want a Chrome extension, Gist AI uses ChatGPT technology to provide instant summarization of web pages, YouTube videos and PDFs. It also includes the ability to expand on the original source with a "read more" option. Gist AI is good for students and professionals who want to get a quick idea of what's in a long document without having to read it all.
If you want a tool to analyze a document, DocGPT is a good option. It's a combination of a PDF editor and generative AI that can help you analyze and create documents. You can ask it questions about your documents and get answers based on information it finds elsewhere, like Wikipedia and arXiv. It's geared for students and professionals who need to analyze documents like contracts, research papers and essays, and it has a cloud-based document upload and communication system to help you get work done.