Alibaba ATH Innovation Division
Happy Oyster
Create Interactive 3D Worlds in Real Time (2026)
- Re-explorable 3D output instead of one-shot video
- Two distinct authoring modes (Directing + Wandering)
- Native audio-video co-generation in a world model
Alibaba ATH Innovation Division vs Kuaishou
Happy Oyster (Create Interactive 3D Worlds in Real Time (2026)) compared to Kling AI (High-quality AI video generation model by Kuaishou.).

Happy Oyster and Kling AI 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 / 2026-04-21.
Alibaba ATH Innovation Division
Create Interactive 3D Worlds in Real Time (2026)
Kuaishou
High-quality AI video generation model by Kuaishou.
| Dimension | Happy Oyster | Kling AI |
|---|---|---|
| Modality | 3d-world, interactive, audio-video | text-to-video, image-to-video, text-to-image |
| Release status | early-access (2026-04-16) | ga (2024-06-10) |
| Capabilities | Directing Mode · Wandering Mode · Native Audio-Video Co-generation · 3D World Generation | Text-to-Video Generation · Image-to-Video Generation · Multi-lingual Lip Sync · Cinematic Camera Movements |
| Output type | Interactive 3D world (not pre-rendered video) | — |
| Modes | Directing + Wandering | — |
| Audio | Natively co-generated with visuals | — |
| Access | Limited early access (April 2026) | — |
| API availability | Not publicly documented | — |
| Pricing | Not announced | — |
| Game-engine export | Not confirmed | — |
| Max Resolution | — | 4K Ultra HD [1.8] |
| Frame Rate | — | 30fps to 60fps |
| Free Tier | — | 66 daily credits |
| Architecture | — | Diffusion-based Transformer (DiT) / Multi-modal Visual Language (MVL) |