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    • Google NotebookLM Upgraded with Gemini 3.5 and Antigravity Platform

    By Any June 8, 2026
    Google has updated its NotebookLM tool, integrating the Gemini 3.5 Flash model to improve performance and research capabilities. The update also adds support for the Antigravity platform, allowing the tool to run code, and a feature that uses Google Search to find and import relevant web sources.
    Google NotebookLM Upgraded with Gemini 3.5 and Antigravity Platform

    Google NotebookLM Upgraded with Gemini 3.5 and Antigravity Platform Google is turning its AI note-taking experiment, NotebookLM, into a more powerful research environment, but the biggest upgrades are initially limited to premium users.

    Early development and context

    Launched in 2023, NotebookLM let users analyze their own documents and web pages with Google’s AI models, positioning the app as a research co-pilot rather than a general chatbot. It remained a quiet outlier in Google’s often short-lived app portfolio, steadily adding features without being shut down.

    June 8, 2026: Gemini 3.5 arrives

    On June 8, 2026, Google began rolling out “across the board” updates that swap NotebookLM’s underlying model for Gemini 3.5, promising “more accurate and reliable information.” The new Gemini 3.5 Flash model, first shown at Google I/O for its “much faster and more efficient processing,” is now embedded in NotebookLM and “beats the old version in all of Google’s ‘core evaluation dimensions,’” including accuracy, multilingual support, and large‑document analysis.

    With this upgrade, users can start research “by just asking NotebookLM questions about a topic, instead of importing notes or YouTube videos,” while the app uses Google Search to find and suggest relevant web sources the user can selectively import.

    Antigravity and the “cloud computer”

    At the same time, NotebookLM gained its own “cloud computer,” tying into Google’s Antigravity agentic coding platform so the system can “write and run code in service of your research goals” and chain together “more than 100 software skills” to build workflows that previously required jumping between apps. Each notebook connects to this secure environment, enabling outputs in formats ranging from PDFs and data visualizations (PNG, SVG) to spreadsheets and slide decks.

    Google product leader Josh Woodward framed the combination of search and new export options as the “killer” capability: NotebookLM can “expand your search beyond your own source files” and generate “PDFs, DOCX, XLSX, PPTX, charts, etc.” to “keep helping you do better research,” in a post amplified by CEO Sundar Pichai.

    Access and limitations

    For now, the upgraded NotebookLM is available to customers on Google’s AI Ultra plan and Workspace enterprise accounts, with Google saying it plans to “expand it to more plans in the future.”

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