NotebookLM

Best for: Studying or summarizing your own documents

Upload your own sources and ask questions grounded in them. Useful when you want answers limited to material you provided.

Alternatives

Best for: Quick answers with sources you can click

A search-first assistant that cites its sources. Good for fast fact-finding where you want to check where an answer came from.

searchcitations

Check the official site for current pricing and features. Last reviewed 2026-10-14.