Google’s NotebookLM Update Adds Deep Research, Expanded File Formats

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Google is supercharging NotebookLM with a powerful upgrade that turns it into a serious research engine.

The generative AI platform, which assists in organizing, analyzing, and synthesizing user-uploaded content, has added two major capabilities designed to handle more demanding research tasks: Deep Research and expanded file support.

The new Deep Research agent allows users to submit complex, layered questions and receive organized responses that show how the system arrived at its conclusions. Instead of offering quick summaries, it works through multiple steps, pulling from the user’s uploaded materials and verifiable web sources to produce structured outputs that resemble early research drafts.

Much like a bibliography, every claim is linked back to its source, providing ...