Unlike conventional models that require users to wait for pre-generated content, Vidu S1 utilizes an autoregressive diffusion architecture to predict frames on the fly. By processing voice input and conversational context in real time, the model generates dynamic responses that evolve throughout a session. This capability allows for persistent interaction, where characters maintain visual consistency and emotional responsiveness over extended periods without the need for fixed-duration limitations.
ShengShu Technology Debuts Vidu S1 for Real-Time AI Video Interaction
At the 2026 Global Digital Economy Conference in Singapore, ShengShu Technology unveiled Vidu S1, a video foundation model that shifts AI generation from static clips to continuous, real-time interaction. The system enables users to engage in fluid, voice-controlled conversations with AI avatars that respond with synchronized expressions and body movements.
Technical efficiency remains a core component of the release. ShengShu Technology optimized the model to run on consumer-grade GPUs rather than specialized server clusters. Through techniques like TurboDiffusion and SageAttention, Vidu S1 achieves 540P resolution at a standard 25 FPS, with the potential to reach 42 FPS. The platform also simplifies avatar creation; users can transform a single image—whether a real person, anime figure, or pet—into a fully interactive character with a customizable voice, bypassing traditional rigging or modeling workflows. The model is now publicly available for developers and end-users looking to build applications in fields ranging from virtual companionship to interactive gaming and XR experiences.
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