Workflow for Flux.1-dev ControlNet Upscaler

This workflow is for upscaling an input image with a Flux Upscaler ControlNet. It takes an image, upscale size, prompt, and usual Flux settings, and can produce an upscaled image.

The Simple path uses only Comfy Core nodes.

The Complex path can optionally scale the input image to a target resolution, using native scaling or an upscaling model, before encoding it into the input latent.

Inputs include an image, upscale size, positive prompt, and usual Flux settings.

The workflow includes PreviewImage and VAEDecode nodes.

It is designed specifically for jasperai / Flux.1-dev-Controlnet-Upscaler.

Named model files include clip_l.safetensors, flux_ae.safetensors, flux1-dev.safetensors, and jasperaiFlux1Dev_v10_upscaler.safetensors.

Other named model files are t5xxl_fp16.safetensors and ultramix_balanced.pt.

Named node dependencies include ControlNetLoader and WD14Tagger|pysssss.

For a simpler path, choose Simple; for optional pre-scaling and denoise control, choose Complex.

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In Complex, denoise 1.0 ignores the pre-Flux upscale, while denoise 0.0 ignores the ControlNet.

An optional Negative prompt is available, and WD14 Tagger can generate tags for the positive prompt.

Before use, verify that the named model files are available: clip_l.safetensors, flux_ae.safetensors, flux1-dev.safetensors, and jasperaiFlux1Dev_v10_upscaler.safetensors.

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Also verify t5xxl_fp16.safetensors, ultramix_balanced.pt, ControlNetLoader, and WD14Tagger|pysssss are available.

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