---
title: "Ultimate Image Upscaler API & Playground - Comfy"
description: "Ultimate Image Upscaler by WaveSpeed: Upscales an image to 2K/4K/8K with sharp, detailed results. Typical cost: 12.66 credits per run."
canonical: https://comfy.org/hub/models/ultimate-image-upscaler/
lang: en
index: https://comfy.org/llms.txt
---

[Back to all models](https://comfy.org/hub/models/)

WaveSpeed

[Edit images](https://comfy.org/hub/models/?useCase=edit-images)

# Ultimate Image Upscaler

Upscales an image to 2K/4K/8K with sharp, detailed results.

12.66 credits /Run

- [upscale](https://comfy.org/hub/models/?q=upscale)
- [image-upscale](https://comfy.org/hub/models/?q=image-upscale)

[Read docs](https://docs.comfy.org/development/comfy-router/models#wavespeed)

Input

Image to upscale

-

Resolution

Advanced settings

Output format

## More models

[Browse all Browse all models](https://comfy.org/hub/models/)

- [WaveSpeed

  ### SeedVR2 Image Upscaler

  Image to Image

  wavespeed seedvr2 image upscale image-upscale](https://comfy.org/hub/models/seedvr2-image-upscaler/)
- [WaveSpeed

  ### FlashVSR

  Video to Video

  wavespeed flashvsr video upscale video-upscale](https://comfy.org/hub/models/flashvsr/)
- [Google

  ### Nano Banana 2 Image Edit

  Image to Image

  gemini google nano-banana thinking edit multimodal image text-to-image image-edit](https://comfy.org/hub/models/nano-banana-2-image-edit/)
- [xAI

  ### Grok Imagine Image 2.0

  Text to Image

  grok xai image text-to-image grok-imagine-image-2.0](https://comfy.org/hub/models/grok-imagine-image-2-0-text-to-image/)