Alibaba ATH Innovation Division
Happy Oyster
Real-time interactive 3D world model
- Re-explorable 3D output instead of one-shot video
- Two distinct authoring modes (Directing + Wandering)
- Native audio-video co-generation in a world model
Happy Oyster
English
Alibaba ATH Innovation Division vs Kuaishou
Happy Oyster vs Kling AI
Happy Oyster (Real-time interactive 3D world model) 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.
At a Glance
Kuaishou
Kling AI
High-quality AI video generation model by Kuaishou.
- Utilizes a self-developed 3D Variational Autoencoder (VAE) for synchronous spatiotemporal compression [1.1].
- Natively generates multi-lingual, lip-synced audio from text without requiring separate audio files.
- Features a unique 'Element' system allowing users to upload up to 4 reference elements to maintain character and object consistency.
How They Compare
| 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) |
Which Should You Choose?
- Pick Happy Oyster if you need: Re-explorable 3D output instead of one-shot video.
- Pick Kling AI if you need: Utilizes a self-developed 3D Variational Autoencoder (VAE) for synchronous spatiotemporal compression [1.1]..
- Both come from different vendors — consider your existing stack.