Running Minimax H3 Locally on RTX 3060: 10-Sec Video Gen with Full Prompt
irmemon225 · reddit · 2026-08-10
A developer shared their experience running the Minimax H3 model locally on consumer hardware (RTX 3060 12GB VRAM + 16GB RAM) to generate a 10-second video.
- Hardware & Time: Generating a 0.9 MP 10-second video took about 1 hour.
- Settings: Avoided Turbo LoRA to preserve quality. Used Sage Attn + Spectrum with resmultistep sampler (25 steps).
- Prompt Engineering: The creator demonstrated a highly structured prompt format using modules like subjectdefinitions, summary, retentionanalysis, and detaileddescription to precisely control multi-subject appearance, camera movement (POV), actions, and even dialogue/sound effects.
Related event: Running MiniMax H3 on Consumer GPUs: System RAM Becomes the Main Bottleneck(4 posts)→
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