According to NotebookLM on X, Google is rolling out Notebooks in Gemini to Ultra, Pro, and Plus subscribers on the web, enabling users to access all personal unshared notebooks inside the Gemini app and use Gemini chats as sources in new or existing unshared notebooks. As reported by NotebookLM, mobile access, broader European availability, and free-tier support will follow in the coming weeks, creating a unified workflow for grounded research, content drafting, and retrieval-augmented generation within Gemini. According to NotebookLM, the integration expands use cases like marketing brief creation, technical documentation updates, and customer support playbooks by turning prior Gemini conversations into structured, citeable sources, improving provenance and reducing hallucinations for business users.

According to Google Gemini on X, NotebookLM users can now access all personal, unshared notebooks directly inside the Gemini app, and use chats with Gemini as sources in new or existing unshared notebooks, with rollout starting on the web for Google AI Ultra, Pro, and Plus subscribers and expanding to mobile, more European countries, and free users in coming weeks (source: Google Gemini and NotebookLM posts on X, Apr 8, 2026). From a business perspective, this deepens Gemini’s research workflow utility, improves data continuity across tools, and creates upsell opportunities for paid tiers through premium early access (source: Google Gemini on X). For enterprises and creators, consolidating NotebookLM citations and Gemini chat context in one place can shorten content development cycles and enhance knowledge management for marketing, product research, and academic workflows (source: NotebookLM on X).