MiniMax H3 + AE Workflow: Run 40GB Models on 16GB VRAM for Commercials
circlenline · reddit · 2026-08-06
A creator shared a Japanese knife commercial made with MiniMax H3, detailing the ComfyUI workflow used.
Workflow & Tools
- Stills: Generated using ChatGPT + Flux Klein 9B, with AI inpainting and manual editing.
- Video & Audio: Generated using MiniMax H3.
- Post-production: 11 clips generated from 5 prompts, then cut, speed-ramped, and composited in After Effects.
Hardware & Optimization
- Successfully ran 40GB of model weights on a 16GB VRAM RTX 5080 and 96GB RAM using ComfyUI's dynamic VRAM loading and CPU offload.
- Peak usage hit 15GB VRAM and 76GB system RAM during generation.
- Used i2v mode at 672x928 resolution, applying Sage Attention and Spectrum Apply MiniMax H3 nodes for optimization.
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