Hybrid attention architectures that combine local Softmax with linear memory can dramatically accelerate video generation without sacrificing quality—enabling practical real-time video synthesis on modern hardware.
Video DeltaNet combines local attention with efficient linear memory to speed up video diffusion models. By mixing Softmax attention for fine details with a new Video Delta Attention mechanism for long-range context, it generates high-quality videos 14.5x faster than baseline models while maintaining visual quality.