It's a workflow to upscale image several times, gradually changing scale and parameters.<h2 id="heading-117">Versions</h2>Short version uses a special node from <a target="_blank" rel="ugc" href="https://github.com/ltdrdata/ComfyUI-Impact-Pack">Impact pack</a>.Older versions are not better or worse, but they are long and expanded. They provide more control, allowing to tune intermediate steps. They requre <a target="_blank" rel="ugc" href="https://github.com/WASasquatch/was-node-suite-comfyui">WAS Node Suite</a>.<h2 id="heading-3506">Installation and dependencies</h2><ol><li>Install <a target="_blank" rel="ugc" href="https://github.com/ltdrdata/ComfyUI-Impact-Pack">Impact pack</a> custom nodes (should be a newest possible version, as for 12.02.2024);</li><li>(optional) Install <a target="_blank" rel="ugc" href="https://github.com/receyuki/comfyui-prompt-reader-node">SD Prompt Reader</a> custom node;</li><li>Download and open this workflow;</li></ol><h2 id="heading-3507">Recommended resources</h2>Complete list of all resources chosen in nodes across versions:VAE: <a target="_blank" rel="ugc" href="https://huggingface.co/stabilityai/sd-vae-ft-mse-original/blob/main/vae-ft-mse-840000-ema-pruned.safetensors">vae-ft-mse-840000-ema-pruned</a>. Standard, recommended for more details.Realistic:SD models: <a target="_blank" rel="ugc" href="https://civarchive.com/models/25694?modelVersionId=134065">epiCRealism</a>. How to substitute: with any realistic model.<a target="_blank" rel="ugc" href="https://civarchive.com/models/8030?modelVersionId=101080">Analog Madness</a>. How to substitute: with any photorealistic model.Upscaler model: <a target="_blank" rel="ugc" href="https://openmodeldb.info/models/4x-NMKD-Superscale">4xNMKD Superscale</a>. How to substitute: download <a target="_blank" rel="ugc" href="https://openmodeldb.info/models/4x-ESRGAN">4xESRGAN</a> (or take it from Automatic1111).Textual Inversions: <a target="_blank" rel="ugc" href="https://huggingface.co/datasets/Nerfgun3/bad_prompt/blob/main/bad_prompt_version2.pt">bad_prompt_version2</a>. Lower the weight for unusual compositions.<a target="_blank" rel="ugc" href="https://civarchive.com/models/4629?modelVersionId=5637">Deep Negative</a>. Use 16T for base generation, and 2T for upscale.<a target="_blank" rel="ugc" href="https://civarchive.com/models/116230?modelVersionId=125849">bad-Hands-5</a>. Use with 0.8 weight.How to substitute Textual Inversions: just skip.Anime:SD models: <a target="_blank" rel="ugc" href="https://civarchive.com/models/44165">CamelliaMix</a>. How to substitute: with any anime model.<a target="_blank" rel="ugc" href="https://civarchive.com/models/105955/onlyanime-or">OnlyAnime</a>. How to substitute: with any anime model.Upscale Model: <a target="_blank" rel="ugc" href="https://openmodeldb.info/models/4x-NMKD-YandereNeo-XL">4xNMKD YandereNeo XL</a>. How to substitute: download <a target="_blank" rel="ugc" href="https://openmodeldb.info/models/4x-UltraSharp">4xUltraSharp</a>.Textual Inversions: <a target="_blank" rel="ugc" href="https://civarchive.com/models/7808/easynegative">EasyNegative</a>. Recommended.<a target="_blank" rel="ugc" href="https://civarchive.com/models/16993">badhandv4</a>. Only use if hands are not important. Otherwise use <a target="_blank" rel="ugc" href="https://civarchive.com/models/116230?modelVersionId=125849">bad-Hands-5</a> (but it might change the whole picture).How to substitute Textual Inversions: just skip.<a target="_blank" rel="ugc" href="https://civarchive.com/user/Postpos/models">Check out my other workflows</a>

Gradual Upscale | ComfyUI workflow

Version using latent upscale. Base generation + 2 upscale iterations. High denoise inavoidable, and it changes initial picture much.

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