On July 19, Alibaba Cloud Bailian officially launched the open-style world model HappyOyster 1.0 (Happy Oyster). Unlike previous text-to-video models, HappyOyster takes "the world" as the basic unit of generation — input a sentence or image, and the model can build an explorable, interactive open world in real time, with synchronized audio-video and the ability to continuously respond to over a minute of interactive commands. Technically HappyOyster 1.0 offers two core modes: World Exploration (Adventure) lets users move freely and change state in the generated world; Real-time Directing hands control to the user, using text commands to schedule camera, characters, and plot in real time — pause, rewrite, roll back. It also provides Android / iOS / Web SDKs and an Open API — meaning this isn't a demo video, but a production-ready tool for enterprise developers. From an industry perspective, this represents domestic cloud vendors' attempt to land "world models". SenseTime's U1 Pro emphasizes long-horizon agent base, Ant Group's LingBot-Video focuses on embodied video, and Alibaba has chosen to turn "generative world" into a product form for real-time interaction, targeting scenarios like digital-human companionship, interactive drama, and POV immersive experiences. The real story isn't "can it generate frames" but whether the generated frames can keep state consistent and respond to long-time-series interaction. If HappyOyster actually delivers "1+ minute of continuous subject motion + environment interaction + audio-video output" at product level, it means world models are moving from paper concept to developer ecosystem — a key signal of the transition from the Sora era to the Genie era.