<h2 id="grand-unified-model-merger-v2">Grand Unified Model Merger V2</h2>A lightweight Windows-friendly Python GUI for merging Stable Diffusion checkpoint <span style="background-color:oklab(0.999994 0.0000455678 0.0000200868 / 0.0470588);font-family:ui-monospace, SFMono-Regular, &quot;SF Mono&quot;, Menlo, Consolas, &quot;Liberation Mono&quot;, monospace;font-size:13px;line-height:1">.safetensors models.V2 focuses on safer base checkpoint merging with a cleaner interface, easier blend controls, and preflight checks before you commit to a merge.<h3 id="features">Features</h3><ul><li>Weight Sum, Add Difference, and TAME merge modes</li><li>Locked-weight auto-balance for easy blend ratios</li><li>Manual blend weights that do not fight you while typing</li><li>Preflight check before merging</li><li>Overwrite confirmation before replacing an existing output file</li><li>Recent base model and output folder memory</li><li>Preset save/load</li><li>Dark V2 interface with custom header art</li></ul><h3 id="blend-controls">Blend Controls</h3>Unlocked rows auto-balance automatically.If you type a weight and press Enter, that row locks. The remaining unlocked rows split the leftover weight.Example:<ul><li>Model A locked at <span style="background-color:oklab(0.999994 0.0000455678 0.0000200868 / 0.0470588);font-family:ui-monospace, SFMono-Regular, &quot;SF Mono&quot;, Menlo, Consolas, &quot;Liberation Mono&quot;, monospace;font-size:13px;line-height:1">0.6</li><li>Model B auto-balances to <span style="background-color:oklab(0.999994 0.0000455678 0.0000200868 / 0.0470588);font-family:ui-monospace, SFMono-Regular, &quot;SF Mono&quot;, Menlo, Consolas, &quot;Liberation Mono&quot;, monospace;font-size:13px;line-height:1">0.2</li><li>Model C auto-balances to <span style="background-color:oklab(0.999994 0.0000455678 0.0000200868 / 0.0470588);font-family:ui-monospace, SFMono-Regular, &quot;SF Mono&quot;, Menlo, Consolas, &quot;Liberation Mono&quot;, monospace;font-size:13px;line-height:1">0.2</li></ul>Unlock a row to return it to auto-balance.<h3 id="important">Important</h3>LoRA checkpoint injection is disabled in V2. This version is focused on base checkpoint merging because LoRA baking was unreliable in earlier testing.<h3 id="install">Install</h3><ol><li>Extract the zip.</li><li>Install Python 3.10+.</li><li>Run <span style="background-color:oklab(0.999994 0.0000455678 0.0000200868 / 0.0470588);font-family:ui-monospace, SFMono-Regular, &quot;SF Mono&quot;, Menlo, Consolas, &quot;Liberation Mono&quot;, monospace;font-size:13px;line-height:1">install_requirements.bat.</li><li>Run <span style="background-color:oklab(0.999994 0.0000455678 0.0000200868 / 0.0470588);font-family:ui-monospace, SFMono-Regular, &quot;SF Mono&quot;, Menlo, Consolas, &quot;Liberation Mono&quot;, monospace;font-size:13px;line-height:1">run_model_merger_v2.bat.</li></ol><h3 id="requirements">Requirements</h3><ul><li>Python 3.10+</li><li>torch</li><li>safetensors</li></ul>If torch does not install from the included batch file, install the PyTorch build for your CUDA/CPU setup from the official PyTorch site.

Grand Unified Model Merger V2

Grand Unified Model Merger V2A lightweight Windows-friendly Python GUI for merging Stable Diffusion checkpoint .safetensors models.V2 focuses on safer base checkpoint merging with a cleaner interface, easier blend controls, and preflight checks before you commit to a merge.Features<ul><li>Weight Sum, Add Difference, and TAME merge modes</li><li>Locked-weight auto-balance for easy blend ratios</li><li>Manual blend weights that do not fight you while typing</li><li>Preflight check before merging</li><li>Overwrite confirmation before replacing an existing output file</li><li>Recent base model and output folder memory</li><li>Preset save/load</li><li>Dark V2 interface with custom header art</li></ul>Blend ControlsUnlocked rows auto-balance automatically.If you type a weight and press Enter, that row locks. The remaining unlocked rows split the leftover weight.Example:<ul><li>Model A locked at 0.6</li><li>Model B auto-balances to 0.2</li><li>Model C auto-balances to 0.2</li></ul>Unlock a row to return it to auto-balance.ImportantLoRA checkpoint injection is disabled in V2. This version is focused on base checkpoint merging because LoRA baking was unreliable in earlier testing.Install<ol><li>Extract the zip.</li><li>Install Python 3.10+.</li><li>Run install_requirements.bat.</li><li>Run run_model_merger_v2.bat.</li></ol>Requirements<ul><li>Python 3.10+</li><li>torch</li><li>safetensors</li></ul>If torch does not install from the included batch file, install the PyTorch build for your CUDA/CPU setup from the official PyTorch site.

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