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AIvideo generationStory 01

Generated video arrives faster than it plays

What changedVideo DeltaNet researchers show a way to generate a roughly 14-second video faster than its playback length. They combine nearby visual detail with longer-range memory and fewer generation steps. The project reports about nine seconds for a finished clip after warm-up, but that result uses eight NVIDIA B200 GPUs.

Generated martial-arts video frames and the Video DeltaNet timing comparison

The useful part

Why it matters

Reducing the wait between creative choices could make generated video feel more interactive.

Keep in mind

Good to know

The paper's timing measures denoising, not the entire request. The project reports about nine seconds for a finished clip after warm-up, on eight expensive GPUs.

Evidence

Primary source

Haocheng Xi and colleagues, UC Berkeley, Impossible and UT Austin

Read the complete 18 September 2026 edition