Open Paper is an AI-powered research assistant that lets you chat with your entire paper library. Upload PDFs, ask questions, and get cited answers you can click to jump to the source. Group papers into projects and chat across all of them at once. Generate audio overviews to listen on the go, or extract data tables to compare information across papers. Includes a full-featured library with a PDF reader, highlights, annotations, and paper discovery.

Open Paper gives you a single place to read, annotate, and understand papers with the help of AI. Each AI response is grounded in citations, giving you info you can actually trust. We're building the fastest way to understand research.