Google Updates NotebookLM with Deep Research, File Support

Google has introduced significant updates to NotebookLM, its AI-powered notetaking and research assistant, integrating the Deep Research feature and expanding support for additional file types to streamline complex online investigations and source management.

The enhancements, announced on Thursday, allow NotebookLM to automate in-depth web research by generating detailed, sourced reports based on user queries. Deep Research functions as a virtual researcher, creating a plan, browsing hundreds of websites, recommending relevant articles, papers, or sites, and compiling organized reports grounded in those sources. The process typically takes a few minutes and runs in the background, enabling users to continue adding other materials without interruption. Once complete, the report and its sources can be directly imported into a NotebookLM notebook, where they integrate with tools like the AI chatbot, Audio Overviews, and Video Overviews for further analysis or refinement.

To access Deep Research, users open the Sources panel in NotebookLM, select Web as the source type, and choose from two research styles: Deep Research for comprehensive briefings and analysis, or Fast Research,...