Google NotebookLM Short Video Overviews: 60-Second AI Clips Powered by Nano Banana 2 Lite

What Powers It: Nano Banana 2 Lite

The Short format is powered by Nano Banana 2 Lite, officially known by its model ID gemini-3.1-flash-lite-image. Google describes this as its fastest and cheapest image generation model, engineered for speed and scale . News coverage specifically reports that Nano Banana 2 Lite can create images in about 4 seconds .

Customization Options

You are not stuck with whatever the AI decides. Users can customize the video by:

• Specifying sources: Choose which uploaded documents the video should draw from.
• Using a "focus prompt": A text instruction that tells the AI what to emphasize in the video .

How to Access It

Rollout and Audience

• Who gets it first: The feature is rolling out to Google AI Ultra and Pro subscribers initially. Support for free users is planned for a later date .
• Language: English-only at launch .
• Age gate: 18+ .
• Platforms: Available on web, Android, and iOS. (NotebookLM added Video Overviews to its mobile apps in January 2026, and the Short format follows across all platforms) .
• Workspace users: The official Google Help page for Video Overviews references both consumer and Workspace availability .

How to Use It

1. Open NotebookLM on the web or app.
2. Select a notebook.
3. In the "Studio" panel on the right side of the screen, choose Video.
4. Select the Short format.
5. Optionally customize your sources and focus prompt.
6. Click Generate .

Broader Context: The Models Behind the Feature

Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image)

This model is not limited to NotebookLM. It is available in public preview for developers through Google AI Studio and the Gemini API . It is designed for scenarios where speed and cost are the primary constraints.

Gemini Omni Flash — Conversational Video Editing

Announced at Google I/O 2026, Gemini Omni Flash is a separate but related product: an any-to-any multimodal model that can edit video through natural-language conversation . You can tell it "change the background to a beach" or "make the lighting warmer" without touching a timeline.

Pricing:

• Google's official Vertex AI pricing page lists Gemini Omni Flash video output at $0.10 per second of 720p video (billed as 5,792 tokens per second of output) .
• The Gemini Developer API pricing page similarly states approximately $0.10 per second for 720p output .

Platform availability:

• Google AI Studio
• Gemini API
• Gemini Enterprise Agent Platform (Vertex AI)

Fact-Check Summary

All key claims about the Short Video Overview feature are confirmed by multiple independent sources, including official Google documentation, The Verge, 9to5Google, and India Today . The rollout details, model specifications, and pricing are backed by Google's own Help pages, developer documentation, and enterprise pricing pages.

Key Takeaways

• NotebookLM's Short Video Overview is a 60-second vertical AI video format that launched June 30, 2026.
• It is the third video format in the Studio panel, joining Cinematic and Explainer.
• Powered by Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image), with approximately 4-second image generation.
• Rolling out first to Google AI Ultra and Pro subscribers (English-only, 18+) on web, Android, and iOS.
• Users can customize videos with source selection and focus prompts.
• Nano Banana 2 Lite is available to developers via AI Studio and the Gemini API.
• Gemini Omni Flash, for conversational video editing, is priced at $0.10 per second of 720p output on Vertex AI.