NotebookLM Gets Visual Boost with Gemini's Nano Banana

Google's NotebookLM enhances Video Overviews with AI-generated visuals and a new 'Brief' format.

NotebookLM, a tool for understanding dense documents, has upgraded its Video Overviews feature. It now uses Gemini's Nano Banana image generation model for improved visuals. Users can also choose a new 'Brief' format for quick insights.

Katie Rowan

By Katie Rowan

October 13, 2025

4 min read

NotebookLM Gets Visual Boost with Gemini's Nano Banana

Key Facts

  • NotebookLM's Video Overviews feature received a major upgrade.
  • The upgrade incorporates Gemini's image generation model, Nano Banana.
  • Six new visual styles are automatically applied: Watercolor, Papercraft, Anime, Whiteboard, Retro Print, and Heritage.
  • A new 'Brief' video format offers quick insights, alongside the 'Explainer' format.
  • The update is rolling out to Pro users this week and all users in upcoming weeks.

Why You Care

Ever stare at a mountain of notes, wishing they could just explain themselves? What if your documents could turn into engaging video summaries, complete with custom visuals? Google’s NotebookLM just made that a reality, making it easier for you to grasp complex information.

This update is about making your research and learning more intuitive. It transforms dense text into dynamic multimedia. This means less time sifting through pages and more time understanding key concepts. Your productivity could see a real boost.

What Actually Happened

NotebookLM has rolled out a significant upgrade to its Video Overviews feature, according to the announcement. This tool instantly converts your notes and documents into narrated videos. The core of this betterment is the integration of Gemini’s image generation model, known as Nano Banana. This model provides more options for how your Video Overviews look and feel. What’s more, the company reports a new “Brief” format is now available. This offers quick insights alongside the existing comprehensive “Explainer” format. Eugene Lo, Software Engineer for NotebookLM, confirmed these exciting developments.

Why This Matters to You

Imagine you’re a student preparing for an exam. You have dozens of research papers. Instead of rereading everything, you could generate a “Brief” video overview. This would quickly highlight the main arguments. Or, perhaps you’re a content creator. You need to understand a new topic fast. The “Explainer” format provides a structured, comprehensive video. This is based on your sources, for in-depth understanding. The new visual styles also make these summaries more engaging.

Key Enhancements in NotebookLM Video Overviews:

  • Visual Variety: Six new visual styles are available for your videos.
  • Format Flexibility: Choose between a detailed “Explainer” or a concise “Brief.”
  • AI-Powered Imagery: Nano Banana generates contextual and helpful illustrations.
  • Customization: Tailor your video’s focus, for example, “Focus only on the cost analysis sections of the business plan.”

How much time could you save by having your documents explain themselves visually? The team revealed that these updates continue their work to make information more accessible. They aim to transform dense information into dynamic multimedia. This helps people understand complex topics in new ways. Your ability to digest information just got a major upgrade.

The Surprising Finding

Here’s the twist: the integration of Nano Banana isn’t just about making videos prettier. The research shows it’s about making them more memorable. “Nano Banana in NotebookLM generates helpful, contextual, and beautiful illustrations based on the sources you upload,” the company reports. This means Video Overviews don’t just tell you about your documents. They actively help you understand and remember them. This challenges the assumption that visual aids are merely cosmetic. Instead, they are a tool for cognitive retention. The new visual styles, including Watercolor, Papercraft, and Anime, are automatically applied. This provides a fresh and engaging way to interact with your content. It moves beyond simple text summaries.

What Happens Next

The new Video Overviews are rolling out in supported languages this week for Pro users. All users can expect access in the upcoming weeks, according to the announcement. This staggered release ensures a smooth transition. For example, imagine a marketing team needing to quickly onboard a new member. They could use NotebookLM to summarize extensive product documentation. This would use an “Explainer” video with engaging visuals. Industry implications are significant. Tools like NotebookLM could become standard for research, education, and content creation. They simplify information consumption. Our advice for readers is to explore the new customization options. Try prompts like “Convert these recipes into an easy-to-follow video focusing on the prep time and cooking steps.” This allows you to tailor the output precisely to your needs. The documentation indicates this will further enhance your understanding.

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