Overview
This node generates or edits images using ByteDance’s Seedream models (versions 4.0, 4.5, and 5.0 Lite). It can create new images from a text prompt or edit existing images by providing reference images, supporting resolutions up to 4K.Inputs
| Parameter | Description | Data Type | Required | Range |
|---|---|---|---|---|
prompt | Text prompt for creating or editing an image. | STRING | Yes | N/A |
model | The Seedream model version to use for generation. Each model has different capabilities and pricing. | COMBO | Yes | "seedream 5.0 lite""seedream-4-5-251128""seedream-4-0-250828" |
seed | Seed to use for generation (default: 0). | INT | No | 0 to 2147483647 |
watermark | Whether to add an “AI generated” watermark to the image (default: False). | BOOLEAN | No | True / False |
Model-Specific Parameters
When you select a model, additional parameters become available:- Size Preset: A dropdown to select a predefined image resolution. The available presets depend on the selected model.
- Width: The width of the generated image in pixels (default: 2048).
- Height: The height of the generated image in pixels (default: 2048).
- Max Images: The maximum number of images to generate (default: 1). When set to 1, sequential image generation is disabled.
- Reference Images: Up to 10 (for Seedream 4.0 and 4.5) or 14 (for Seedream 5.0 Lite) reference images for editing. Images must have an aspect ratio between 1:3 and 3:1.
- Fail on Partial: If enabled, the node will raise an error if not all requested images are generated successfully (default: False).
Resolution Constraints
- Seedream 5.0 Lite and 4.5: Minimum resolution is 3.68 megapixels (e.g., 1920x1920).
- Seedream 4.0: Minimum resolution is 0.92 megapixels (e.g., 960x960).
- All models: Maximum resolution is 16.78 megapixels (e.g., 4096x4096).
Image Count Constraints
- The total number of reference images plus generated images cannot exceed 15.
- For Seedream 5.0 Lite, a maximum of 14 reference images are supported.
- For Seedream 4.0 and 4.5, a maximum of 10 reference images are supported.
Outputs
| Output Name | Description | Data Type |
|---|---|---|
image | The generated or edited image as a tensor. If multiple images were requested, they are concatenated into a single batch. | IMAGE |
This documentation was AI-generated. If you find any errors or have suggestions for improvement, please feel free to contribute! Edit on GitHub
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