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 interact with your notes and sources using AI, as well as ask questions about the materials. With this update, Google says you can start a research project by just asking NotebookLM questions about a