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Stacks vs NotebookLM

NotebookLM is Google’s tool for studying a set of sources you add to a notebook, with grounded answers and audio overviews. Stacks keeps everything you save as you browse and puts it inside ChatGPT and Claude. NotebookLM is better for deep study of a chosen set; Stacks is better for using all your saved research in the AI tools you already work in.

Side by side

StacksNotebookLM
Built forEverything you save, used in ChatGPT and ClaudeStudying a chosen set of sources
How sources get inSaved as you browse; imports from bookmarks, X, LinkedIn and InstagramYou add documents, links and videos to each notebook
Where you askChatGPT, Claude, Claude Code or StacksIn NotebookLM
Answers cite sources
Audio overviews
Social saves (X, LinkedIn, Instagram)
Saves AI chat answersYes, with Keep

Where NotebookLM is better

  • Deep study of a fixed set of sources: a course, a stack of papers, a long report.
  • Audio overviews and study aids built from your sources.
  • Tight grounding: answers come only from the notebook you’re in.

Where Stacks is better

  • You don’t have to assemble a notebook first: what you save while browsing is already there.
  • It works inside ChatGPT and Claude, where you already write, plan and code.
  • It covers social saves and AI answers, not just documents and links.
  • One library across every topic, searchable by description.

Questions

Can I use NotebookLM and Stacks together?

Yes. Use NotebookLM to study a defined set of sources, and Stacks to keep everything else you read and bring it into ChatGPT or Claude.

Does Stacks work with ChatGPT and Claude?

Yes. Add Stacks as a connector and both can search and read your saves, with links back to them.

Which is better for students?

For studying a reading list, NotebookLM. For keeping everything you come across and using it later in ChatGPT or Claude, Stacks.

Is Stacks free?

Yes. The free plan includes 20 asks a month. Be Productive ($36 a year) adds unlimited asks and search by meaning.

Bring your research into ChatGPT and Claude

Add the extension to start saving, then connect your AI and ask about anything you’ve kept.