every paper, every insight
Academic research assistant that lives in Zotero, instantly searching through all your documents and explaining complex concepts as you read.
Why Beaver?
Chat with your Entire Library
Ask questions about your research and get answers drawn from your entire library. Beaver searches across metadata, topics, and the full content of your PDFs to give grounded answers. Learn more
Reading Assistant
Beaver is integrated inside your PDF reader. Select complex equations or highlight text to get explanations. Need more context? Ask how a claim compares to the rest of your library without ever leaving the page. Learn more
Discover New Research
Search over 240 million scholarly works outside your Zotero library. Understand citation patterns and find papers to expand your collection. Learn more
Seamless Zotero Integration
Lives directly in Zotero as a side panel. Ask questions about the paper you're reading, and Beaver knows exactly which page you're on.
Your Library, Your Control
Beaver prioritizes your curated Zotero library and sources you trust, not generic web results.
Built with Privacy in Mind
Your data stays yours. We don't train models on your data without explicit opt-in, and we're building local storage options.
Organize & Edit Your Library
Beaver can help you manage collections, add tags, fix metadata, and keep your library organized. All changes require your approval by default so you stay in control. Learn more

Precise, Sentence-Level Citations
Answers include direct sentence-level citations that link back to your source PDFs, ensuring transparency and verifiability.

Annotate Your PDFs
Beaver can highlight and add notes to your PDFs when you ask. Learn more

Examples
Accessible by Design
Built by researchers, for researchers. Full access to all core features on every plan. Start free, get unlimited use with your own API key, or subscribe for a seamless experience with nothing to configure.
About

Beaver was created by Joscha Legewie, Professor of Sociology at Harvard University, to make advanced research tools more accessible and useful to students and scholars.