Gemini adds Notebook sync

Google is turning Gemini from a chat box into something closer to a project folder. The new notebooks feature gives paid Gemini users one place to keep chats, files, and instructions tied to a single job, then syncs that same notebook into NotebookLM. (blog.google) That changes how the tool remembers things. Google’s help pages say a notebook keeps your sources, your ongoing discussion, and your custom instructions together, so you do not have to rebuild the same context every time you open a new chat. (support.google.com) NotebookLM is the other half of this story. It is Google’s research assistant that answers from the documents you give it, and Google says it can turn those sources into study guides, briefings, audio overviews, mind maps, and other formats with inline citations. (support.google.com) Before this update, Gemini and NotebookLM were already starting to overlap. Google had added NotebookLM as a source inside Gemini, and 9to5Google reported in January that the integration was showing up in the Gemini app on Android and iPhone. (blog.google, 9to5google.com) The new step is tighter than just attaching a source. Google says you can now view, edit, and chat with the same notebook from either app, and changes like renaming a notebook, adding sources, or updating instructions sync across both places. (support.google.com) Google is also letting Gemini chats feed the notebook itself. Its support page says users can opt in so conversations in Gemini become shared context across Gemini and NotebookLM, which means the notebook can build up a knowledge base over time instead of acting like a blank page every session. (support.google.com) The file support is practical, not flashy. Google’s Gemini help center says users can upload documents, spreadsheets, photos, videos, and NotebookLM notebooks into Gemini, while NotebookLM’s admin documentation lists PDFs, websites, YouTube videos, audio files, Google Docs, and Google Slides as supported source types. (support.google.com, support.google.com) Google is positioning notebooks as a paid feature. The company’s announcement says notebooks are available for Google Artificial Intelligence Pro and Google Artificial Intelligence Ultra subscribers on web and mobile, which puts the feature inside the same subscription bundle as Gemini Advanced and NotebookLM Plus. (blog.google, blog.google) The bigger idea is simple: one tool is good at free-form conversation, and the other is good at staying anchored to source material. By stitching Gemini and NotebookLM together around a shared notebook, Google is trying to make long projects feel less like asking the same assistant the same question over and over. (blog.google, support.google.com)