Upscale Models

AI upscaling models.

Popular Upscale Models

General Use

Model	Scale	Description
4x-UltraSharp	4x	Best for photos
RealESRGAN_x4	4x	General purpose
ESRGAN	4x	Traditional

Anime

Model	Scale	Description
4x-NickelSSR	4x	Anime style
4x-AnimeSharp	4x	Anime line art
RealESRGAN_Animevideov3	4x	Anime video

Installation

ComfyUI/models/upscale_models/
  4x-UltraSharp.pth
  4x-NickelSSR_900000.pth

Usage with UltimateSDUpscale

Node: UltimateSDUpscale
Model: 4x-UltraSharp
Scale: 2-4x
Tile: 512

Parameters

Parameter	Value	Description
Scale	2-4	Upscale factor
Tile Size	512-768	Processing size
Tile Padding	64-128	Edge overlap

Tips

1. Choose right model: Photos vs anime
2. Tile size: Balance quality and memory
3. 2x first: Start with 2x, then 4x if needed

Sources

• Upscale Models Archive
• Civitai

Next Steps

• Custom Nodes - Required nodes
• Official Resources - More resources