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creative-aiai-tools
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72-Second Character Video Generation with ComfyUI Ref2VA VSA

Summary

  • ComfyUI custom node that generates 5-second character videos in ~72 seconds on a single consumer GPU — vs the typical 10-minute standard
  • Uses sparse attention applied to the MiniMax H3 video model to drastically cut compute
  • Key trick: aggressively ignores most video data to save VRAM/compute, but keeps the reference character image fully intact so faces stay consistent
  • Aimed at animators who want fast, consistent character clips without expensive cloud GPU rentals
  • Very new repo (created Sep 5, 2026), rapidly gaining stars