Nano Banana 2.1 Image Generation
Nano Banana 2.1 is Google’s Nano Banana image model, built on Gemini 3.6 Flash. Create images from text or use up to 10 reference images.
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Technical Specifications
Key Features & Capabilities
1K, 2K and 4K output
PNG or JPEG
Text-to-image generation
Reference-image editing
Up to 10 reference images
15 aspect ratios including auto
Prompts up to 20,000 characters
How to Use
Choose the model
Select Nano Banana 2.1 in the generator.
Describe the image
Enter a prompt, optionally add your reference images, then choose ratio, resolution and format.
Review and refine
Check text, factual details and consistency before using the result.
Sources and comparison
Choose 1K, 2K or 4K output and save images as PNG or JPEG.
Upload only images you have rights to use. nanabananapro.com is an independent platform and is not affiliated with Google.
FAQ
Nano Banana 2 uses Gemini 3.1 Flash Image. Google’s model card reports improvements in visual design, image editing and character consistency with Nano Banana 2.1.
Yes. Choose 1K, 2K or 4K output and PNG or JPEG. Add up to 10 reference images, or generate from text alone.
Small text and long passages can be hard to render clearly, and characters or spatial details may change between images. Review text and factual details before using an image.
Credits are charged per image based on resolution. The exact credit cost is shown before generation.
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