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Nano Banana 2 Edit: Prompt-Driven Image Editing with Multi-Image Inputs, Resolution & Safety Controls | RunComfy

google/nano-banana-2/edit

Edit one or more images with Nano Banana 2 Edit using text prompts, with controllable aspect ratio and resolution.

The prompt for image editing.
Image 1
The URLs of the images to use for image-to-image generation or image editing.
The aspect ratio of the generated image.
The resolution of the image to generate.
Idle
The rate is $0.069 per image for 1K, $0.095 for 2K, and $0.13 for 4K.

Introduction to Nano Banana 2 Edit

Nano Banana 2 Edit is a prompt-driven image editing model that takes one or more input images and applies targeted changes while keeping the overall composition coherent. It’s designed for fast iteration and practical control: choose aspect ratio and resolution for tighter creative loops.

Ideal for: background swaps | style transfer | product photo cleanup | multi-image variations | rapid creative edits

What Nano Banana 2 Edit does#

Nano Banana 2 Edit takes a text prompt plus 1–20 input images (image_urls) and generates 1 edited outputs. It’s well-suited for making specific changes while preserving the core subject.


Key controls#

  • image_urls: Provide 1–20 source images to edit or to guide variations.
  • aspect_ratio: Set framing (or keep auto to follow the input).
  • resolution: Choose 1K–4K for the generated output.

Prompting tips#

  • Start with constraints: what must remain unchanged (e.g., “keep face and pose”).
  • Localize edits: “background only”, “remove object on the left”, “change shirt color only”.
  • For consistency across a set, keep aspect_ratio and resolution fixed.
  • If edits drift, reduce scope and iterate in multiple short prompts instead of one long prompt.

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Frequently Asked Questions

What’s the difference between Nano Banana 2 Edit and Nano Banana 2 text-to-image?

Nano Banana 2 text-to-image generates images from a text prompt only. Nano Banana 2 Edit takes one or more input images plus a prompt, then applies edits or guided variations while aiming to preserve important visual structure.

How many input images can I provide to Nano Banana 2 Edit?

Nano Banana 2 Edit accepts 1–20 input images via image_urls. You can use a single source image for straightforward edits, or multiple images to guide variations and consistency.

What does aspect_ratio = auto mean in Nano Banana 2 Edit?

With aspect_ratio set to auto, the model will typically follow the framing implied by your input image(s). If you need a fixed layout (e.g., 16:9 or 9:16), choose an explicit aspect ratio to reduce cropping surprises.

What resolution options are supported?

Nano Banana 2 Edit supports resolution choices from 1K up to 4K. Higher resolutions can produce sharper details but may take longer to generate.

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Examples of Nano Banana 2 Edit