Nano Banana is the codename for Google's Gemini 2.5 Flash Image model—the fastest AI image generator available, creating high-quality images in 1.5-2 seconds while offering advanced editing and character consistency features.

How fast is generation?

Images generate in 1.5-2 seconds on average—up to 6x faster than GPT-4o and significantly faster than other leading models. This speed enables rapid iteration and bulk content creation.

Can I edit existing images?

Yes—upload photos and use natural language to make precise edits like removing objects, changing backgrounds, adjusting poses, or blending multiple images together.

What aspect ratios are supported?

10 different aspect ratios including 1:1, 16:9, 9:16, 21:9, 4:3, 3:4, 3:2, 2:3, and ultra-wide/ultra-tall formats for every platform and use case.

How does character consistency work?

The model maintains facial features and character identity across multiple generations—place the same person or mascot in different scenes, poses, and environments.

Can I blend multiple images?

Yes—combine 2-4 source images into one cohesive result. Perfect for adding people to group photos, placing products in new settings, or creating composite scenes.

Is there a watermark?

All images include an invisible SynthID watermark that can be detected to show AI generation, ensuring transparency and authenticity tracking.

Can I use images commercially?

Yes. All generated and edited images are yours to use commercially in campaigns, products, websites, social media, or client projects.

Nano Banana AI – Lightning-Fast Image Generation & Editing

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