AnalysisVisual AINovember 9, 2026

Open-H3-Regenerate-2K offers open 2K/4K video refinement

Read original source →nvlabs.github.io

Open replacement for H3's closed Regenerate-2K API takes any low-res draft (384P–768P) and regenerates natively at up to 4K in three Euler steps, 5–15 second clips. A 5-second 2K clip runs in 22.45s on one B200 versus 87.26s. It beat the official API on all three UniPercept axes and was preferred in 87% of 200 blinded judgments.

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