> ## Documentation Index
> Fetch the complete documentation index at: https://dripart-feat-openapi-i18n.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# StabilityUpscaleFastNode - ComfyUI Built-in Node Documentation

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

Quickly upscales an image via Stability API call to 4x its original size. This node is specifically intended for upscaling low-quality or compressed images by sending them to Stability AI's fast upscaling service.

## Inputs

| Parameter | Description                    | Data Type | Required | Range |
| --------- | ------------------------------ | --------- | -------- | ----- |
| `image`   | The input image to be upscaled | IMAGE     | Yes      | -     |

## Outputs

| Output Name | Description                                           | Data Type |
| ----------- | ----------------------------------------------------- | --------- |
| `output`    | The upscaled image returned from the Stability AI API | IMAGE     |

> 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/StabilityUpscaleFastNode/en.md)

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