> ## Documentation Index
> Fetch the complete documentation index at: https://docs.comfy.org/llms.txt
> Use this file to discover all available pages before exploring further.

# StabilityStableImageUltraNode - ComfyUI Built-in Node Documentation

> Complete documentation for the StabilityStableImageUltraNode node in ComfyUI. Learn its inputs, outputs, parameters and usage.

> This documentation was AI-generated. If you find any errors or have suggestions for improvement, please feel free to contribute! [Edit on GitHub](https://github.com/Comfy-Org/embedded-docs/blob/main/comfyui_embedded_docs/docs/StabilityStableImageUltraNode/en.md)

Generates images synchronously based on prompt and resolution. This node creates images using Stability AI's Stable Image Ultra model, processing your text prompt and generating a corresponding image with the specified aspect ratio and style.

## Inputs

| Parameter         | Data Type | Required | Range                      | Description                                                                                                                                                                                                                                                                                                                                                                                                                                                             |
| ----------------- | --------- | -------- | -------------------------- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| `prompt`          | STRING    | Yes      | -                          | What you wish to see in the output image. A strong, descriptive prompt that clearly defines elements, colors, and subjects will lead to better results. To control the weight of a given word use the format `(word:weight)`, where `word` is the word you'd like to control the weight of and `weight` is a value between 0 and 1. For example: `The sky was a crisp (blue:0.3) and (green:0.8)` would convey a sky that was blue and green, but more green than blue. |
| `aspect_ratio`    | COMBO     | Yes      | Multiple options available | Aspect ratio of generated image.                                                                                                                                                                                                                                                                                                                                                                                                                                        |
| `style_preset`    | COMBO     | No       | Multiple options available | Optional desired style of generated image.                                                                                                                                                                                                                                                                                                                                                                                                                              |
| `seed`            | INT       | Yes      | 0-4294967294               | The random seed used for creating the noise.                                                                                                                                                                                                                                                                                                                                                                                                                            |
| `image`           | IMAGE     | No       | -                          | Optional input image.                                                                                                                                                                                                                                                                                                                                                                                                                                                   |
| `negative_prompt` | STRING    | No       | -                          | A blurb of text describing what you do not wish to see in the output image. This is an advanced feature.                                                                                                                                                                                                                                                                                                                                                                |
| `image_denoise`   | FLOAT     | No       | 0.0-1.0                    | Denoise of input image; 0.0 yields image identical to input, 1.0 is as if no image was provided at all. Default: 0.5                                                                                                                                                                                                                                                                                                                                                    |

**Note:** When an input image is not provided, the `image_denoise` parameter is automatically disabled.

## Outputs

| Output Name | Data Type | Description                                        |
| ----------- | --------- | -------------------------------------------------- |
| `output`    | IMAGE     | The generated image based on the input parameters. |