NotebookLM’s Gemini 3.5 upgrade adds a cloud computer and help finding sources
NotebookLM just became a research agent. Google's Gemini 3.5 upgrade adds autonomous source discovery—no manual imports required.

Why it matters
Google is shipping product-layer AI capabilities that reduce friction for knowledge workers. The upgrade transforms NotebookLM from a passive note interface into an active research tool that can autonomously search, synthesize, and cite sources—a meaningful shift in app-layer AI UX.
The key facts
5 to knowNotebookLM upgraded to Gemini 3.5 model
New feature: autonomous source discovery via Google Search integration
Users can now start research projects by asking questions directly (no manual source import required)
Update rolled out 'across the board' as of June 8, 2026
Claimed improvement: 'more accurate and reliable information' response quality
Go to the source
The Verge AItheverge.com
Publisher excerpt: Google is rolling out "across the board" updates to NotebookLM. The AI-powered note-taking app now uses Google's upgraded Gemini 3.5 model, which will allow it to respond with "more accurate and reliable information," according to a blog post on Monday. Launched in 2023, NotebookLM allows you to…