every paper, every insight

Academic research assistant that lives in Zotero, instantly searching through all your documents and explaining complex concepts as you read.

Get started

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.

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

Summarize the experimental protocols across my papers on neural plasticity

Compare and contrast all definitions of social capital in my library

Please review my paragraph on the negative effects of microplastic toxicity. Research every citation to ensure accuracy.

I wrote that 'studies consistently show ...'. Is that accurate based on my library?

Add note annotations that compare this article's key findings to related studies in my library.

Did the American Economic Review publish any recent papers on the impact of AI on the labor market?

Accessible by Design

Built by researchers, for researchers. Affordable and accessible.

Free Plan

Full access to core features: chat with your entire library, reading assistant, and research discovery. Local-first processing keeps your PDFs on your device. 50 AI credits/month or unlimited with your own API key.

Pro (Beta)

Everything in Free, plus cloud-based document processing for full-text search, better handling of tables and equations, and sentence-level citations. Currently invitation only.

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.