What makes Happy Oyster different from other AI video generators?

Unlike traditional 'one-shot' generators like Sora, Happy Oyster is an interactive world model. It stays 'live' during generation, allowing you to change instructions and steer the video in real-time rather than waiting for a finished file.

What are the limits for video duration and resolution?

Directing mode supports videos up to 3 minutes at 720p resolution, while Wandering mode supports up to 1 minute of exploration at 480p resolution.

How do I control the movement in Wandering mode?

You can use standard keyboard WASD controls and mouse/camera movements to navigate the environment in first-person, similar to a video game.

Who developed Happy Oyster?

Happy Oyster is developed by Alibaba's AI research teams (previously teased under the name HappyHorse-1.0).

Can I use voice commands to control the AI?

Yes, the model is natively multimodal and can respond to text, voice, and image inputs throughout the generation process.

Is there an API available for developers?

Official API access is currently listed as 'coming soon' as the tool moves through its early access phases.

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Video Generation

Freemium

Happy Oyster

Alibaba's AI world model for real-time, interactive video generation. Direct scenes or wander through 3D environments with persistent physics and audio-video co-generation.

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Rating

Reviews

Upvotes

4 months ago

Listed

Video Generation

World Models

Interactive AI

3D Environments

Real-time Rendering

Film Production

Game Development

Storyboarding

Multimodal AI

Tool information

Provider

Alibaba

Platforms

Web

Languages

English

Chinese

API Available

Coming Soon

Added to directory

4 months ago

Last updated

2 months ago

Rating

Not available

Pricing

Freemium

About Happy Oyster

What the tool does and who it's for

Happy Oyster is an AI-powered 'world model' developed by Alibaba that revolutionizes video generation through real-time interaction. Unlike traditional models that produce static clips from a single prompt, Happy Oyster creates a persistent, responsive physical world that users can direct or explore as it generates. It features two primary modes: 'Directing,' which allows users to act as real-time directors by adjusting camera angles, character actions, and plot points via text or voice while the video is running; and 'Wandering,' which enables first-person navigation through an infinitely extendable and stable 3D environment. The tool simulates realistic physics, including lighting and gravity, and supports multimodal inputs for joint audio-video generation, making it a powerful asset for filmmakers, game developers, and interactive storytellers.

Key capabilities

Real-Time Directing: Influence camera angles and character behavior during the generation process.

Wandering Mode: Explore stable, infinite environments in a first-person perspective using WASD controls.

Persistent Physics: Simulates consistent lighting, gravity, and causality across evolving scenes.

Joint Audio-Video Generation: Produces synchronized sound and visuals based on multimodal inputs.

Long-Form Generation: Supports continuous video streaming up to 3 minutes in length.

Multimodal Interaction: Accepts text, voice, and image instructions to reshape the world live.

Real-Time Evolution: The scene reacts and updates instantly without requiring a full re-render.

High Consistency: Ensures objects and environments remain stable and coherent as the user moves.

Pricing

Freemium — plans below

Early Access / Free Trial

Commercial/Pro

Contact sales

Higher resolution outputs
Priority processing
Commercial usage rights
API access (coming soon)

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