Alibaba ATH Innovation Division
Happy Horse (2D-first generative video model) compared to Happy Oyster (Real-time interactive 3D world model).
Happy Horse and Happy Oyster target adjacent jobs but take different approaches. This page compares them side by side on output paradigm, access, capabilities, and positioning — based on vendor-stated claims as of 2026-04-20 / 2026-04-20.
Alibaba ATH Innovation Division
2D-first generative video model
Alibaba ATH Innovation Division
Real-time interactive 3D world model
| Dimension | Happy Horse | Happy Oyster |
|---|---|---|
| Modality | text-to-video, image-to-video | 3d-world, interactive, audio-video |
| Release status | public (2026-03-10) | early-access (2026-04-16) |
| Capabilities | Text to Video · Image to Video · Motion Control · Multi-shot Continuity | Directing Mode · Wandering Mode · Native Audio-Video Co-generation · 3D World Generation |
| Output type | 2D video clips | Interactive 3D world (not pre-rendered video) |
| Max clip length | Not officially documented | — |
| Resolutions | 720p / 1080p tiers reported | — |
| API | Public access via tryhappyhorse.xyz | — |
| Pricing | Tiered, details not finalized | Not announced |
| Modes | — | Directing + Wandering |
| Audio | — | Natively co-generated with visuals |
| Access | — | Limited early access (April 2026) |
| API availability | — | Not publicly documented |
| Game-engine export | — | Not confirmed |