Beginner tutorial: MiniMax H3 + Pika Flex LoRA generates stereo-audio video in 60s
No-Sleep-4069 · reddit · 2026-11-01
A beginner-oriented video tutorial walking through generating video with stereo audio using MiniMax H3 combined with the Pika Flex LoRA and a Latent Upsampler (3D-Conv) in ComfyUI.
Key points:
- Full ComfyUI setup including sampler and sigma configuration
- 2K upscaling via the latent upsampler
- 1440p video output, with model files shrinking from 5.87 GB to just 155 MB
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