Question: Is there a tool that can automatically extract key information from long documents and articles?

Genei is a research and note-taking tool that uses AI for summarizing articles, analyzing research and extracting information. It's got features like keyword extraction, semantic search and annotation tools, so it's good for writers, academics and content creators who want to get their research and writing done faster.

Another good option is Layer, which uses AI to do the legwork for you, extracting information from dense documents and answering specific questions. It's got features like PDF Insights and a Notebook where you can store information, too. It's good for researchers, journalists and strategists who need to get a lot of information out of documents.

If you want an AI assistant that can do a lot of things, Unriddle will give you answers to questions, summarize complex subjects and take notes for you. It can handle big documents and works in more than 90 languages. Its Chrome extension makes it easy to integrate into your workflow, and it's good for researchers like PhD students and R&D scientists who need to quickly read and extract information from lots of documents.

Last, Linfo is an AI-powered information retrieval system that pulls out the key points from long documents and articles and presents them in a structured format. It also can turn website content into downloadable mind maps, which can be useful for academics and researchers who need to process information. With a free basic plan and several Pro plans, Linfo is available for those with modest needs and budgets.