WorldStream: a streaming 3D world model with hierarchical planning and persistent state
Xiaoxiao Ma · hf · 2026-10-22
- WorldStream, from USTC and JD's Joy Future Academy, is an open-ended 3D world model (arXiv paper).
- It continuously expands terrain in a streaming fashion, processes language commands to generate regions (city, rural, forest, desert, coast), and preserves user edits via hierarchical planning and streaming compilation with persistent state.
- Positioned as an infinitely extensible, interactive generative 3D world for world-model and interactive content research.
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