<h1 id="modelmixsampler-for-comfyui">ModelMixSampler for ComfyUI 🌀</h1>Ever wanted to combine the core structure of one model with the stylistic details, textures, or lighting of another? ModelMixSampler (BSS) allows you to do exactly that by dynamically alternating denoising steps between two different models of the same architecture (e.g., SDXL + SDXL, or Flux + Flux) in a single run!Get the best of both worlds: use a highly structural model to form the base geometry, and a heavily stylized model to finish the fine details!🔗 GitHub Repository (Full Guide, Comparison Screenshots &amp; Docs): <a target="_blank" rel="ugc" href="https://github.com/BlackSnowSkill/ComfyUI-BSS_ModelMixSampler">https://github.com/BlackSnowSkill/ComfyUI-BSS_ModelMixSampler</a><hr /><h3 id="how-to-use-it-in-comfyui-(step-by-step)">🎨 How to Use It in ComfyUI (Step-by-Step)</h3>Setting up the sampler is incredibly easy:<ol><li>Add the Node: Replace your standard KSampler with the ModelMixSampler (BSS) node (found under <code>BSS/Samplers</code>).</li><li>Connect the Models: Plug your first model into <code>model1</code> and the second into <code>model2</code>.</li><li>Connect the Prompts:<ul><li>Connect Model 1's prompts to <code>positive1</code> / <code>negative1</code>.</li><li>Connect Model 2's prompts to <code>positive2</code> / <code>negative2</code>. (You can use the exact same prompt for both, or tailor them to each model's strengths!)</li></ul></li><li>Choose your Scheduler: Select a shared <code>scheduler</code> (like <code>karras</code> or <code>normal</code>) to keep the noise progression aligned.</li><li>Decode the output: Connect the output <code>latent</code> into a standard VAE Decode node and save your image!</li></ol><hr /><h3 id="how-to-configure-the-step-schedule-(mix_schedule)">🎛️ How to Configure the Step Schedule (<code>mix_schedule</code>)</h3>The core magic lies in the <code>mix_schedule</code> text field. It tells the sampler which model to use at each step. Here are the most popular and creative patterns:<ul><li>🔄 <code>1, 2</code> (The Hybrid Mixer): Alternates every single step (1, 2, 1, 2...). Merges the styles of both models almost 50/50, creating a brand new, unique hybrid look.</li><li>📦 <code>1, 1, 2, 2</code> (The Block Mixer): Two steps of Model 1, then two steps of Model 2. Highly stable and prevents models from fighting over tiny details.</li><li>📐 <code>1*15, 2*15</code> (The Structural + Stylizer): Uses Model 1 for the first 15 steps to form solid geometry, poses, and composition. Then, hands it over to Model 2 for the last 15 steps to apply gorgeous details, lighting, and textures.</li><li>⏱️ <code>1:10, 2:15</code> (The Custom Ratio): Runs Model 1 for the first 10 steps, then Model 2 for the remaining 15 steps.</li></ul><hr /><h3 id="quick-installation">📂 Quick Installation</h3><ol><li>Open ComfyUI Manager -&gt; Install via Git URL.</li><li>Paste this URL: <code>https://github.com/BlackSnowSkill/ComfyUI-BSS_ModelMixSampler</code></li><li>Click Install and restart ComfyUI.</li></ol><hr /><h3 id="support-and-license">☕ Support &amp; License</h3>Support Development: Support me and get exclusive models on <a target="_blank" rel="ugc" href="https://boosty.to/blacksnowskill">Boosty</a>!License &amp; Usage: © 2026 blacksnowskill (BSS). All rights reserved. This project is protected by copyright. Copying, distribution, merging, or use on other websites/repositories without explicit written permission is strictly prohibited.

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