NotebookLM adding Short Video Overviews with Nano Banana 2 Lite

Google today announced Nano Banana 2 Lite and preview availability of Gemini Omni Flash as its latest media generation models for developers, as well as NotebookLM users.

Nano Banana 2 Lite (officially known as Gemini 3.1 Flash-Lite Image) is Google’s “fastest and most cost-efficient image generation and editing model.” Entering general availability today, the company touts 4-second image generation.

Compared to the original Nano Banana (Gemini 2.5 Flash Image), this new model offers “fast image generation with a significant leap in visual quality and capability.” Capabilities include:

Meanwhile, Gemini Omni Flash is now in public preview. This follows the Gemini app announcement at I/O:

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Gemini Omni Flash pricing matches Veo 3.1 Fast at $0.10 per second of 720p video output.

Both models are now available in Google AI Studio and the Gemini Enterprise Agent Platform.

NotebookLM is using Nano Banana 2 Lite for Short Video Overviews. This new format provides a 60-second portrait video with “narrative explanations and educational animations,” like Cinematic Video Overviews. It will be available in the coming weeks.

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