Nano Banana and Nano Banana Pro: Gemini image generation

Nano Banana is a family of Google image generation and editing models. Nano Banana refers to Gemini 2.5 Flash Image and Nano Banana Pro to Gemini 3 Pro Image. Other models have since joined the family. Features, regional availability and pricing depend on the product and model used.

Capabilities

Describe an image in natural language or provide an existing image to edit a background, object or style. Pro supports multiple reference images and text rendering. Google describes up to 14 reference images and up to five character references for Pro; inspect the result because identity consistency and text accuracy are not guaranteed. Pro also offers aspect ratios and 1K, 2K and 4K output options where supported. Prompts can describe framing, lighting and depth of field, but the model may not follow every instruction exactly.

Getting started

1. Open Google AI Studio or another product that explicitly offers the model, sign in and check which models are available.
2. Choose an image generation or editing model. Upload reference material you have permission to use and explain the role of each image.
3. Describe the subject, scene, framing and details to preserve. Select the aspect ratio and resolution offered by the interface.
4. Inspect text, people, details and rights, iterate as needed and save the result. Developers can consult the Gemini image generation documentation.

Uses and limits

Designers can explore poster and product concepts, content teams can try social media visuals, and developers can integrate generation where permitted by the service terms. Educational illustrations and storyboards are other possible uses. Human review remains necessary.

Prices, quotas and model availability change, and Google AI Studio interface allowances should not be confused with Gemini API quotas. The current Google API pricing page lists the free tier for gemini-2.5-flash-image as unavailable. Check current prices and account quotas for Pro and any third-party service instead of relying on old daily free-use claims. Google pages give different retirement dates for the older model, so check the current console and latest official notices for availability.

Generated images may contain incorrect text or alter unintended areas. Keep originals, review the output and confirm rights to both inputs and intended uses.

Frequently asked questions

How do Nano Banana and Pro differ?

They refer to different Gemini image models. Pro offers capabilities for more complex work and higher resolution options; check the product documentation for the model you use.

Is API access free?

Google currently lists the gemini-2.5-flash-image API free tier as unavailable. Check the current pricing and quota for other models and products.

Can I upload reference images?

Models accepting image input can use references, subject to model-specific limits. Confirm usage rights before uploading.