---
title: "Alibaba's ATH business group launches open-world model product HappyOyster"
type: "News"
locale: "en"
url: "https://longbridge.com/en/news/282954988.md"
description: "Alibaba's ATH business group launched the open-world model product \"HappyOyster\" on April 16, which can construct dynamic three-dimensional environments in real-time, supporting film production and game development. HappyOyster marks the expansion of Alibaba's ATH technology layout, allowing users to realize creativity and exploration through two gameplay modes: \"Directing\" and \"Wandering.\" This product belongs to the same business unit as the previous HappyHorse model, which has already attracted attention in the video generation field. The API access feature for HappyHorse will be opened on April 30"
datetime: "2026-04-16T07:16:43.000Z"
locales:
  - [zh-CN](https://longbridge.com/zh-CN/news/282954988.md)
  - [en](https://longbridge.com/en/news/282954988.md)
  - [zh-HK](https://longbridge.com/zh-HK/news/282954988.md)
---

# Alibaba's ATH business group launches open-world model product HappyOyster

According to Zhitong Finance APP, on April 16, Alibaba (09988) ATH Innovation Division officially launched the open-world model product "HappyOyster," which can be built and interacted with in real-time, starting internal testing from today. This product can generate dynamic three-dimensional environments and supports scenarios such as film production and game development, marking Alibaba ATH's technological layout extending from video generation to the interactive world model field.

Currently, the official website offers two gameplay options: **Directing**: allowing users to become real-time directors, turning creativity into reality within an infinitely generated video stream; **Wandering**: allowing users to become world wanderers, freely exploring in an infinitely extending space.

HappyOyster belongs to the AI Innovation Division under Alibaba ATH (Alibaba Token Hub) and is part of the same division as the widely discussed video generation model HappyHorse. This model is based on a native multimodal architecture, enabling multimodal input and audio-video joint generation for streaming world modeling.

On April 7, an anonymous model named HappyHorse-1.0 emerged as a dark horse, topping the Artificial Analysis video competition leaderboard with an Elo score of 1333. Subsequently, Alibaba ATH responded that HappyHorse is a model developed by its innovation division and is currently in internal testing. According to media reports, the API access feature for HappyHorse will be available on April 30

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