notebooklm Gains Chat History & AI Ultra Subscribers Unlock Expanded Power
(Last Updated: December 16, 2025)
google’s AI-powered note-taking and knowledge organization tool, NotebookLM, just got a meaningful upgrade. Following October’s proclamation, chat history is now fully rolled out to all users, offering a more seamless and continuous conversational experience. Concurrently, subscribers to Google AI Ultra are receiving dramatically increased usage limits, unlocking the full potential of this powerful AI assistant.
This update positions NotebookLM as a central hub for leveraging AI across your personal and professional knowledge base, making it easier than ever to brainstorm, research, and synthesize information.
What’s New: Seamless Chat History Across Devices
NotebookLM’s new chat history feature bridges the gap between web and mobile. Now, you can **start a conversation on your computer and seamlessly pick it up on your Android or iOS device – and vice
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