Back to ComfyUI: best H3 turbo LoRAs and how Open H3 Regenerate-2K upscaling works

truci · reddit · 2026-10-28

A returning ComfyUI user asks for the current best local H3 video enhancements: whether fl2vturbo4stepv1.2768p and ref2vturbo8stepv1.0768p are still the consensus turbo LoRAs, and how Efficient-Large-Model's Open-H3-Regenerate-2K on Hugging Face is meant to be used—it looks like both a speedup LoRA and a standalone upscaling workflow, but ships without an example workflow. They also ask how people upscale 0.4MP H3 outputs to high quality fully locally.

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