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Video DeltaNet: Hybrid Attention for Efficient Livestream Video Generation

September 16, 2026

Video DeltaNet (VDN) combines local Softmax attention with bidirectional linear memory to bypass the computational bottlenecks of long spatiotemporal token sequences. The architecture uses Video Delta Attention to update memory once per frame, preserving fine-grained interactions for high-quality generation.

HOW THIS AFFECTS YOU

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builderThis hybrid approach provides a way to generate high-quality, long-context video without the quadratic cost of standard attention.

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researcherThe use of learnable gates to calibrate local and linear branches presents a new way to handle spatiotemporal dependencies.

read original ↗huggingface.co

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