<h1 id="f1d-or-ultimate-flux-gguf-lora-tester">🧪 F1D | Ultimate Flux GGUF LoRA Tester</h1>Stop guessing which Epoch was the best! This workflow turns the chaos of LoRA training into a clean, professional comparison matrix. Designed for Flux (GGUF) users who need efficiency, structure, and visual clarity.<h3 id="what-this-workflow-does:">🖼️ WHAT THIS WORKFLOW DOES:</h3>It generates a comparison grid for your LoRA training steps (Epochs).<ul><li>Visual Documentation: Automatically stamps the Epoch Name and Project Name directly onto the image pixels (bottom bar). No more wondering "Is this Epoch 6 or 7?".</li><li>Smart Filenaming: Saves files with <code>Project_Epoch_Strength</code> automatically.</li><li>Wireless Architecture: No cable spaghetti! Uses "Set/Get" nodes to transmit data cleanly.</li></ul><h3 id="the-&quot;control-room&quot;-(top-left)">🎛️ THE "CONTROL ROOM" (Top Left)</h3>Everything is controlled from one central hub on the left side:<ol><li>Load Checkpoint: Select your Flux GGUF model (Q8/Q4 etc.).</li><li>Load Assets: Select your LoRA files for the test columns.</li><li>Set Text: Input your Project Name &amp; Epoch Labels once – they sync to all overlays!</li></ol><h3 id="how-to-use:">⚙️ HOW TO USE:</h3><ol><li>Download &amp; Drag: Simply drag the Header Image (PNG) of this post into ComfyUI. The workflow is embedded inside the image!</li><li>Install Missing Nodes: Use ComfyUI Manager to install the required packs (see below).</li><li>Setup Control Room: Load your GGUF Checkpoint and the LoRA versions you want to test in the "Control Room" (Top Left).</li><li>Set Strength: Adjust the Sliders located directly above each image column to test specific strengths (e.g., 0.8 vs 1.0).</li><li>Queue Prompt: Watch the grid fill up with labeled, organized test shots.</li></ol><h3 id="required-custom-nodes:">📦 REQUIRED CUSTOM NODES:</h3>Please install these via ComfyUI Manager &gt; "Install Missing Custom Nodes"<ul><li>ComfyUI-GGUF (City96) - Essential for Flux GGUF</li><li>ComfyUI-KJNodes (Kijai) - For Set/Get Wireless logic</li><li>ComfyUI Book Tools - For the Smart Text Overlays</li><li>WAS Node Suite - For IO &amp; Saving</li><li>ComfyUI-Easy-Use - For efficient LoRA loading</li><li>RgThree - For Optimization &amp; Mute/Bypass</li></ul><hr />💡 PRO TIP: Because this workflow uses GGUF Models, it is highly VRAM efficient. You can test multiple LoRA versions without running OOM on 12GB/16GB cards (depending on Quantization).

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