Google has started rolling out a new notebooks feature in Gemini, giving the chatbot a dedicated workspace for longer-running projects instead of forcing everything into one-off chats. The update is notable because Google is tying Gemini more tightly to NotebookLM, its research-focused AI product, rather than keeping the two experiences separate.

What Google confirmed

According to Google's announcement, notebooks let users group past chats, uploaded files, PDFs, and custom instructions into a single shared context. Gemini can then use that notebook alongside its usual tools and web search when answering questions.

The bigger product change is cross-app sync. Sources added in Gemini appear in NotebookLM, and sources added in NotebookLM appear back inside Gemini. Google says that makes it possible to start a project in one product and continue it in the other, using features that are unique to each app.

Why it matters

This is a fairly practical move, not a flashy model launch. One of the biggest weaknesses in consumer AI products is that complex work gets scattered across disconnected chats, files, and notes. Google's answer is to turn Gemini notebooks into a persistent project layer, with NotebookLM acting as the deeper research companion.

The rollout is limited for now. Google says notebooks are reaching AI Ultra, Pro, and Plus subscribers on the web first, with mobile access, wider European availability, and free-user support coming in the next few weeks. That staged launch makes the feature real today, but still early.