nano-banana-pro

name	nano-banana-pro
description	Generate or edit images via Gemini 3 Pro Image (Nano Banana Pro). Use when you need to: (1) generate images from text descriptions, (2) edit existing images with AI, (3) compose multiple images into one scene. Supports 1K/2K/4K resolutions and up to 14 input images for composition.
category	file-generation
tags	["image","ai","gemini","generation","editing"]
version	1.0.0
skillId	skp-ud4d5kijwrf8k18muzmhwv9y
workflowId	c-g6emwcpi1wpalsz6j4gyi3d9
installationId	skpi-h9kpmts9ho1kl9l1sohaloeu
triggers	["generate image","edit image","AI image generation","Gemini image","图片生成","AI绘图","编辑图片","文生图","图生图"]

Nano Banana Pro

Generate or edit images via Gemini 3 Pro Image (Nano Banana Pro). Use when you need to: (1) generate images from text descriptions, (2) edit existing images with AI, (3) compose multiple images into one scene. Supports 1K/2K/4K resolutions and up to 14 input images for composition.

Input

Provide input as JSON:

{
  "prompt": "Detailed description for image generation or editing (e.g., 'a cute cat playing in a garden')",
  "resolution": "Image resolution: 1K, 2K, or 4K (default: 1K)",
  "aspect_ratio": "Image aspect ratio: 16:9, 1:1, 9:16, 5:4, or 4:3 (default: 1:1)",
  "input_image": "<file-id>"
}

Note on File Input:

• input_image is optional and requires a file ID (format: df-xxxxx)
• How to get file ID:
  1. Upload your image using refly file upload <file-path>
  2. Copy the returned file ID from the upload response
  3. Use this file ID in the input JSON
• Omit input_image for pure text-to-image generation
• Provide input_image for image editing or transformation

API Request Structure

This skill uses Gemini 3 Pro Image API with the following structure:

Text-to-Image (Pure Generation)

{
  "contents": [{
    "parts": [
      {"text":