Fully local Halloween music video: 19 scenes via ComfyUI Video Builder with MiniMax H3
Cheap_Credit_3957 · reddit · 2026-11-01
A Reddit creator produced a Halloween music video entirely locally using their open-source ComfyUI Video Builder: 19 scenes, 2:29 runtime, with character images, every scene, and final stitching rendered on their own GPU.
- Pipeline: song in Suno, Victorian mansion locations in Nano Banana 2.1, characters via a Krea 2 three-panel reference workflow; prompts were written by Claude via the Builder's MCP feature (any LLM, including local ones, works)
- Key settings: MiniMax H3 Singularity ref2va v2 (int8), Pass 1 at 25 steps, Pass 2 with the 8-step 768p ref2v LoRA v1.1, 4 steps, 0.35 denoise
- A shareable two-pass single-scene workflow JSON is published; the author is building a fully local one-shot video agent
- The attached image is a still from the video: a gothic Victorian dressing room
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