<h2 id="flux-ultimatesd-upscale-simple-workflow">✨ FLUX — UltimateSD Upscale — Simple Workflow</h2>A clean, all-in-one FLUX UltimateSD Upscale workflow built entirely with the UmeAiRT Toolkit for ComfyUI. Only 6 nodes. No spaghetti wires. Just load your model, write your prompt, and hit generate.<hr /><h3 id="important-nodes-2.0-required">⚠️ IMPORTANT — Nodes 2.0 Required</h3>This workflow is built for the Nodes 2.0 (Vue) interface of ComfyUI. If you don't enable it, the workflow may have display problems.How to activate Nodes 2.0:<ol><li>Open ComfyUI</li><li>Go to Settings (⚙️ icon, bottom-left)</li><li>Find "Use Nodes V2 (Vue)" and toggle it ON</li><li>Refresh the page</li><li>Load the workflow</li></ol>If you prefer the classic interface, check out my Legacy version of this workflow instead (<a target="_blank" rel="ugc" href="https://civarchive.com/models/789010?modelVersionId=2355998">link</a>).<hr /><h2 id="custom-node-required">📦 Custom Node Required</h2>Only one custom node to install:👉 <a target="_blank" rel="ugc" href="https://gitlab.com/UmeAiRT-Studio/ComfyUI-UmeAiRT-Toolkit">ComfyUI-UmeAiRT-Toolkit</a>Install via ComfyUI Manager (search "UmeAiRT") or use the UmeAiRT Auto-Installer. The Toolkit packages everything internally — upscaler, face detailer, metadata saver. No other custom nodes needed.<hr /><h2 id="files-you-need-(in-manual-version)">📂 Files you need (in manual version)</h2><h3 id="for-&quot;base&quot;-version-:">for "base" version :</h3>Model : <a target="_blank" rel="ugc" href="https://huggingface.co/UmeAiRT/ComfyUI-Auto_installer/resolve/main/models/diffusion_models/FLUX/flux1-dev-fp8.safetensors?download=true">flux1-dev-fp8.safetensors</a> or <a target="_blank" rel="ugc" href="https://huggingface.co/UmeAiRT/ComfyUI-Auto_installer/resolve/main/models/diffusion_models/FLUX/flux1-fill-dev-fp16.safetensors?download=true">flux1-dev-fp16.safetensors</a> in ComfyUI\models\diffusion_modelsCLIP : <a target="_blank" rel="ugc" href="https://huggingface.co/UmeAiRT/ComfyUI-Auto_installer/resolve/main/models/clip/clip_l.safetensors?download=true">clip_l.safetensors</a> in ComfyUI\models\clip<h3 id="for-gguf-version-:">for GGUF version :</h3>Model : <a target="_blank" rel="ugc" href="https://huggingface.co/UmeAiRT/ComfyUI-Auto_installer/resolve/main/models/unet/FLUX/flux1-dev-Q8_0.gguf?download=true">Q8</a>, <a target="_blank" rel="ugc" href="https://huggingface.co/UmeAiRT/ComfyUI-Auto_installer/resolve/main/models/unet/FLUX/flux1-dev-Q6_K.gguf?download=true">Q6</a>, <a target="_blank" rel="ugc" href="https://huggingface.co/UmeAiRT/ComfyUI-Auto_installer/resolve/main/models/unet/FLUX/flux1-fill-dev-Q5_K_S.gguf?download=true">Q5</a>, <a target="_blank" rel="ugc" href="https://huggingface.co/UmeAiRT/ComfyUI-Auto_installer/resolve/main/models/unet/FLUX/flux1-fill-dev-Q4_K_S.gguf?download=true">Q4</a>, <a target="_blank" rel="ugc" href="https://huggingface.co/UmeAiRT/ComfyUI-Auto_installer/resolve/main/models/unet/FLUX/flux1-fill-dev-Q3_K_S.gguf?download=true">Q3</a> in ComfyUI\models\unetCLIP : <a target="_blank" rel="ugc" href="https://huggingface.co/UmeAiRT/ComfyUI-Auto_installer/resolve/main/models/clip/t5-v1_1-xxl-encoder-Q8_0.gguf?download=true">Q8</a>, <a target="_blank" rel="ugc" href="https://huggingface.co/UmeAiRT/ComfyUI-Auto_installer/resolve/main/models/clip/t5-v1_1-xxl-encoder-Q6_K.gguf?download=true">Q6</a>, <a target="_blank" rel="ugc" href="https://huggingface.co/UmeAiRT/ComfyUI-Auto_installer/resolve/main/models/clip/t5-v1_1-xxl-encoder-Q5_K_M.gguf?download=true">Q5</a>, <a target="_blank" rel="ugc" href="https://huggingface.co/UmeAiRT/ComfyUI-Auto_installer/resolve/main/models/clip/t5-v1_1-xxl-encoder-Q4_K_S.gguf?download=true">Q4</a>, <a target="_blank" rel="ugc" href="https://huggingface.co/UmeAiRT/ComfyUI-Auto_installer/resolve/main/models/clip/t5-v1_1-xxl-encoder-Q3_K_S.gguf?download=true">Q3</a> in ComfyUI\models\clip<h3 id="common-files-:">Common Files :</h3>Text encoder : <a target="_blank" rel="ugc" href="https://huggingface.co/UmeAiRT/ComfyUI-Auto_installer/resolve/main/models/clip/t5xxl_fp8_e4m3fn.safetensors?download=true">t5xxl_fp8_e4m3fn.safetensors</a> or <a target="_blank" rel="ugc" href="https://huggingface.co/UmeAiRT/ComfyUI-Auto_installer/resolve/main/models/clip/ViT-L-14-TEXT-detail-improved-hiT-GmP-TE-only-HF.safetensors?download=true">ViT-L-14-TEXT-detail-improved-hiT-GmP-TE-only-HF.safetensors</a>VAE : <a target="_blank" rel="ugc" href="https://huggingface.co/UmeAiRT/ComfyUI-Auto_installer/resolve/main/models/vae/ae.safetensors?download=true">ae.safetensors</a> in ComfyUI\models\vae

【FLUX】UPSCALE

Completely reworked version, fewer modules needed, new UI and compatible with the latest version of ComfyUI.

Files with SHA256: 654604eff027bbe7b49eb37de9d0cf4715b10370a41d146e3a116013c3d0b3a5