Import same-day MiniMax H3 workflows

models/minimax/minimax-h3-singularity-pruned-w4a8/README.md

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+# MiniMax H3 Singularity Pruned W4A8
+
+## Summary
+
+Pruned MiniMax H3 workflow packaged with a graft-preserving W4A8 conversion.
+
+## Model Family
+
+- `minimax`
+
+## Status
+
+- `imported-only`
+
+## Source
+
+- Model card: <https://huggingface.co/cicalooo/Minimax-h3_Singularity_v1.3_pruned_w4a8_graft_preserving>
+- Workflow file: <https://huggingface.co/cicalooo/Minimax-h3_Singularity_v1.3_pruned_w4a8_graft_preserving/resolve/main/Minimax-h3_Singularity_v1.3_pruned_w4a8_graft_preserving.quality.json?download=true>
+- Conversion notes: <https://huggingface.co/cicalooo/Minimax-h3_Singularity_v1.3_pruned_w4a8_graft_preserving/raw/main/Minimax-h3_Singularity_v1.3_pruned_w4a8_graft_preserving.quality.md>
+- Original publisher: `cicalooo`
+- Date imported: `2026-09-07`
+
+## Developer notes
+
+- The conversion notes describe a graft-preserving W4A8 pass over `Minimax-h3_Singularity_ref2va_v1.3_pruned_bf16.safetensors`.
+- The workflow uses the MiniMax H3 long-video stack plus a low-step acceleration path.
+- This is the same-day efficiency play, not a new art style drop.
+
+## Our notes
+
+- This is the MiniMax item most worth testing on a local card if you want a leaner path than full bf16.
+- It is still not cheap on an RTX 3070 with `8 GB` VRAM, but it looks more practical than a plain full-size H3 pack.
+- I would treat this as a serious candidate, not just a watch item.
+
+## Required custom nodes
+
+- `Smite79/MiniMax-H3-LongVideos`
+- current ComfyUI MiniMax-H3 support
+- `ComfyUI-MiniMax-H3-PDD-Acc` for the acceleration path used in the workflow
+
+## Required models
+
+- `Minimax-h3_Singularity_ref2va_v1.3_pruned_w4a8_graft_preserving.safetensors`
+- MiniMax H3 video VAE
+- MiniMax H3 audio VAE
+- matching MiniMax H3 text encoder
+
+## Notes
+
+- Best used as the leaner local comparison point against the official or full-size H3 templates.