SANA-Streaming: Real-time Streaming Video Editing with Hybrid Diffusion Transformer

• URL: http://arxiv.org/abs/2605.30409v1
• Date: Thu, 28 May 2026 17:59:17 GMT
• Title: SANA-Streaming: Real-time Streaming Video Editing with Hybrid Diffusion Transformer
• Abstract summary: Real-time streaming video-to-video editing is critical for interactive applications such as live broadcasting and gaming.<n>We present SANA-Streaming, a system-algorithm co-designed framework for high-resolution, real-time streaming video editing.
• Score: 36.01290871589722
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Real-time streaming video-to-video editing (V2V) is critical for interactive applications such as live broadcasting and gaming, yet it remains a formidable challenge due to the stringent requirements for temporal consistency and inference throughput. In this paper, we present SANA-Streaming, a system-algorithm co-designed framework for high-resolution, real-time streaming video editing on consumer GPUs, with the following three core designs: (1) Hybrid Diffusion Transformer architecture introduces softmax attention in part of the blocks to improve local modeling capabilities while preserving the efficiency of linear layers. (2) Cycle-Reverse Regularization is a novel training strategy that enforces semantic consistency by predicting source frames from generated content via flow matching, improving temporal consistency without requiring paired long edited videos. (3) Efficient System Co-design combines fused GDN kernels and Mixed-Precision Quantization (MPQ) optimized for the NVIDIA Blackwell (RTX 5090) architecture. By profiling real-world throughput, our MPQ maximizes Tensor Core utilization while maintaining generation quality. The resulting system achieves real-time 1280 x 704 resolution editing at 24 end-to-end FPS on a single RTX 5090 GPU, with the DiT core running at 58 FPS. Experimental results demonstrate that our co-design approach significantly outperforms existing SOTA methods in both temporal coherence and system throughput.

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