Gemini adds NotebookLM notebooks

Google is taking a tool that used to live off to the side and putting it inside the main Gemini app. On April 8, Google said Gemini now has notebooks on the web, and those notebooks sync with NotebookLM instead of replacing it. (blog.google) A notebook is Google’s way of turning a chat window into a project folder. Instead of starting every prompt from scratch, you can keep files, links, notes, and past conversations tied to one topic in one place. (blog.google) NotebookLM was built for that exact job. Google introduced it in 2023 as an artificial intelligence notebook that answers questions from sources you choose, so the model is working from your documents instead of from the open internet alone. (blog.google) That source-grounding is the whole point. Google describes NotebookLM as a “virtual research assistant” that can summarize, explain, and connect ideas based on material you upload, which is closer to reading with a stack of highlighted papers than chatting with a blank bot. (blog.google) Now Google wants that research workflow inside Gemini itself. The new notebooks in Gemini are meant for “complex projects,” and Google says you can move between Gemini and NotebookLM because the same notebook appears in both products. (blog.google) Google is not opening this to everyone on day one. The company said web access starts this week for Google AI Ultra, Google AI Pro, and Google AI Plus subscribers, with broader access coming later. (blog.google) The paid-first rollout fits how Google already sells NotebookLM upgrades. Google’s help pages say higher tiers raise limits on notebooks, sources, chats, audio overviews, reports, quizzes, and other research features, so notebooks inside Gemini also become another reason to pay for a plan. (support.google.com) This also tells you how Google sees Gemini now. The Gemini subscription page already bundles model access, Deep Research, video generation, and other tools, and notebooks push the app one step further from “chatbot” toward “workspace.” (gemini.google.com) Google has been building NotebookLM outward for months before folding it inward. In late 2025 it added Deep Research and more file types, and in 2025 it also launched mobile apps, so the notebook was already turning into a broader research product before this Gemini integration arrived. (blog.google 1) (blog.google 2) The practical change is simple: if you are paying for Gemini, Google no longer wants your long-running research project in one app and your general assistant chat in another. It wants the project folder, the source-grounded answers, and the model all sitting behind the same Gemini tab. (blog.google)