Google just transformed its NotebookLM AI tool from text-heavy to visually stunning. The company rolled out Nano Banana, Gemini's image generation model, to create contextual illustrations for Video Overviews, while introducing a new "Brief" format for quick document summaries. This marks a significant step in making AI-powered research tools more engaging and accessible.
Google is betting big on visual learning, and its latest NotebookLM update proves why. The company just unleashed Nano Banana, Gemini's image generation model, to transform how users digest complex documents through AI-powered video summaries.
The upgrade tackles a core problem with AI research tools - they're often as dense as the documents they're trying to simplify. Eugene Lo, a software engineer on the NotebookLM team, announced the changes in a Google blog post, emphasizing how "dense documents can be challenging" and promising the process now becomes "better - and more fun, too."
Nano Banana generates what Google calls "helpful, contextual, and beautiful illustrations" based on uploaded sources. Users can now choose from six artistic styles: Watercolor, Papercraft, Anime, Whiteboard, Retro Print, and Heritage. Each style aims to make Video Overviews more memorable and engaging than traditional text summaries.
The visual upgrade comes alongside a strategic format split. NotebookLM now offers two video types: the comprehensive "Explainer" format for deep dives, and a new "Brief" format for quick insights. This addresses different user scenarios - from students needing detailed analysis to professionals wanting rapid document overviews.
Google's timing feels deliberate. As competitors like OpenAI and Microsoft push multimodal AI capabilities, Google is doubling down on making AI tools more visually intuitive. The company's previous NotebookLM updates focused on audio summaries, but this visual pivot signals where AI productivity tools are heading.












