prompt | string | Yes | - | Instructions for editing the image. This is a multi-line text area where you can: - Describe the changes you want to make - Specify styles, objects to add/remove, or modifications - Reference dynamic data for personalized edits - Use line breaks to structure complex edit instructions Example: “Remove the background and add a professional office setting Make the lighting more vibrant Ensure the person looks professional” |
images | array of string | Yes | - | List of image URLs to edit (first image will be used for editing). You can reference images from upstream nodes using {{nodeId__data}} syntax. Supported formats: JPEG, PNG, GIF, WebP Images can be from URLs, file uploads, or outputs from other workflow nodes. Example: [“https://example.com/image.jpg”] or [“{{imageNodeId__data.url}}“] |
model | string or SelectableOption | Yes | - | The AI model to use for image analysis. Available options: ‘gemini-3.1-flash-image-preview’ - This is the RECOMMENDED model. AKA ‘Nano Banana 2’, You must use this model by default for best results, unless user request something else. ‘gemini-3-pro-image-preview’ - AKA ‘Nano Banana Pro’, ‘gpt-image-2’ - OpenAI’s most advanced image generation model, best for complex prompts and highest quality ‘gpt-image-1.5’ - OpenAI’s old model for image generation |
numImages | integer | No | 1 | Number of edited image variations to generate (1-10). More variations give you more options to choose from. |
output_format | string or SelectableOption | No | - | Format of the edited images (GPT-Image only). Available options: ‘png’ - High quality, supports transparency ‘jpg’ - Smaller file size, good for photos ‘webp’ - Modern format, good compression |
quality | string or SelectableOption | No | - | Quality of the edited images (GPT-Image only). |
size | string or SelectableOption | No | - | Size of the edited images (GPT-Image only). Available options: ‘1024x1024’ - Good for social media ‘1792x1024’ - Wide format ‘1024x1792’ - Tall format |
background | string or SelectableOption | No | - | Background type for the edited images. (GPT-Image only). Available options: ‘transparent’ - Remove background ‘white’ - Clean white background ‘original’ - Maintain existing background ‘custom’ - Specify in prompt |
aspect_ratio | string or SelectableOption | No | - | Aspect ratio for the edited images (Gemini model only). Available options: ‘1:1’ - Square ‘1:4’ - Ultra Tall ‘1:8’ - Ultra Tall ‘2:3’ - Portrait ‘3:2’ - Portrait ‘3:4’ - Portrait ‘4:1’ - Ultra Wide ‘4:3’ - Portrait ‘4:5’ - Portrait ‘5:4’ - Portrait ‘8:1’ - Panorama ‘9:16’ - Portrait ‘16:9’ - Landscape ‘21:9’ - Wide Landscape |
resolution | string or SelectableOption | No | - | Resolution for edited images (Gemini only). Available options: ‘512px’ ‘1K’ ‘2K’ ‘4K’ |
