⬡ UltimateSD Upscale¶
Tiled upscaling with redraw — upscales the generated image by processing it in overlapping tiles. Tile/denoise parameters are available via Show advanced inputs.
Inputs¶
| Name | Type | Required | Advanced | Default | Description |
|---|---|---|---|---|---|
gen_pipe |
UME_PIPELINE |
✅ | — | Pipeline from KSampler with generated image | |
enabled |
BOOLEAN |
✅ | ON | Toggle upscaling on/off | |
upscale_model_name |
COMBO |
✅ | — | Upscale model (e.g. 4x-UltraSharp) | |
upscale_by |
FLOAT |
✅ | ✅ | 2.0 | Scale factor |
tile_width |
INT |
✅ | ✅ | 512 | Tile width in pixels |
tile_height |
INT |
✅ | ✅ | 512 | Tile height in pixels |
denoise |
FLOAT |
✅ | ✅ | 0.2 | Redraw denoising strength |
seam_fix_mode |
COMBO |
✅ | ✅ | None | Seam fixing strategy |
Outputs¶
| Name | Type | Description |
|---|---|---|
gen_pipe |
UME_PIPELINE |
Pipeline with upscaled image |


When to use
Use UltimateSD Upscale for traditional tiled upscaling with model redraw. For AI-native upscaling with better coherence, try SeedVR2 Upscale.