ComfyUI Plugin: Auto-Write MiniMax H3 Prompts with Local Vision Models
nnorbbi · reddit · 2026-08-10
A developer released MiniMax H3 Prompt Writer, a ComfyUI extension designed to streamline the prompt writing process for the MiniMax H3 video model.
How it works: Users provide a simple creative brief and reference media (images, videos, audio). The plugin uses a local multimodal vision model (like the Gemma series) to analyze the media and automatically generate a prompt tailored for H3.
Key features:
- Supports all five H3 modes (T2VA, I2VA, FL2VA, L2VA, Reference).
- Runs entirely locally without uploading media, ensuring privacy.
- Reference mode supports up to 9 pictures, 3 videos, and 3 audio references.
- Provides local model configurations scaled for VRAM tiers from 8GB to 32GB.
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