ComfyUI Latent Presets

Model-scope latent presets for ComfyUI

Important

This extension uses the comfy_api.latest v3 node API. It requires a recent ComfyUI build (0.3.x or later). Older installations will not load these nodes.

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Installation

Via ComfyUI-Manager — use the GitHub address to directly add the extension since it is not currently registered.

Manual

cd ComfyUI/custom_nodes
git clone https://github.com/bnwa/ComfyUI-LatentPresets

No additional Python dependencies are required beyond ComfyUI itself.

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Nodes

All nodes appear under the models/latent category.

Select SDXL Dimensions

Picks from nine community-standard SDXL dimension presets and emits a pre-allocated empty latent alongside scaled output dimensions.

	Name	Type	Default	Range
Input	dimensions	Combo	—	9 presets (see below)
Input	upscale_factor	Float	2.0	1.0 – 8.0, step 0.25
Input	batch	Int	1	≥ 1

	Name	Type
Output	width	Int
Output	height	Int
Output	latent	Latent (4-channel)
Output	upscale factor	Float
Output	upscaled width	Int
Output	upscaled height	Int

Presets

Label	Width	Height	Ratio
1024 × 1024	1024	1024	1:1
1152 × 896	1152	896	9:7
896 × 1152	896	1152	7:9
1216 × 832	1216	832	19:13
832 × 1216	832	1216	13:19
1344 × 768	1344	768	7:4
768 × 1344	768	1344	4:7
1536 × 640	1536	640	12:5
640 × 1536	640	1536	5:12

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Select Flux.1 Dimensions

Picks from 18 Flux.1 Dev dimension presets across two megapixel budgets and emits a pre-allocated empty latent using the 16-channel Flux VAE latent space.

	Name	Type	Default	Range
Input	dimensions	Combo	—	18 presets (see below)
Input	upscale_factor	Float	2.0	1.0 – 8.0, step 0.25
Input	batch	Int	1	≥ 1

	Name	Type
Output	width	Int
Output	height	Int
Output	latent	Latent (16-channel)
Output	upscale factor	Float
Output	upscaled width	Int
Output	upscaled height	Int

Presets — ~1 MP (community-standard)

Label	Width	Height
Square	1024	1024
Landscape	1152	896
Portrait	896	1152
Classic Landscape	1152	864
Classic Portrait	864	1152
Photo Landscape	1216	832
Photo Portrait	832	1216
Wide Landscape	1344	768
Tall Portrait	768	1344
Widescreen	1280	720
Vertical	720	1280
Ultrawide	1536	640
Ultra-Tall	640	1536

Presets — ~2 MP (community sweet spot)

Label	Width	Height
HD Square	1408	1408
HD Landscape	1728	1152
HD Portrait	1152	1728
Full HD Widescreen	1920	1088
Full HD Vertical	1088	1920

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Select Z-Image Dimensions

Picks from 33 official Z-Image dimension presets across three resolution tiers and emits a pre-allocated empty latent using the 16-channel VAE latent space (8× spatial compression).

	Name	Type	Default	Range
Input	dimensions	Combo	—	33 presets across three tiers
Input	upscale_factor	Float	2.0	1.0 – 8.0, step 0.25
Input	batch	Int	1	≥ 1

	Name	Type
Output	width	Int
Output	height	Int
Output	latent	Latent (16-channel)
Output	upscale factor	Float
Output	upscaled width	Int
Output	upscaled height	Int

Tiers: 1024 (~1 MP, 11 presets) · 1280 (~1.6 MP, 11 presets) · 1536 (~2.4 MP, 11 presets). Each tier covers Square, Landscape/Portrait, Classic 4:3/3:4, Photo 3:2/2:3, 16:9/9:16 Widescreen/Vertical, and 21:9/9:21 Ultrawide/Ultra-Tall.