NotebookLM

Google's research notebook: upload your sources and get grounded answers, summaries and audio overviews.

Key features of NotebookLM

Pricing: Free / Plus. Plans change often, so check the official site for the latest details. Our editorial rating is 4.7 out of 5.

Elicit: AI research assistant that automates systematic literature reviews and research tasks.
Consensus: AI search engine for scientific research. Find consensus across millions of peer-reviewed papers.
Scite AI: Smart citation tool that shows how papers have been cited with supporting and contrasting evidence.
Humata: Ask questions of long PDFs and documents and get answers with page-level citations.
Perplexity Labs: Research mode that builds reports, spreadsheets and dashboards from live web sources.
Semantic Scholar: Free AI-powered academic search with paper summaries and citation graphs.