MemCast
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Marble is the world’s first generative model that outputs fully navigable 3‑D worlds in real time
  • The product was built over a year by a team of ~30 researchers and engineers, leveraging cutting‑edge frontier models.
  • Marble can synthesize geometry, textures, and physics from a single textual or image prompt, producing an interactive scene within seconds.
  • It runs on a single H100 GPU for real‑time demo, showcasing the efficiency of the underlying architecture.
  • Users can explore the world via a web interface, walk around, and even export meshes for downstream pipelines.
  • This claim positions Marble as a pioneering commercial deployment of world‑model technology.
Fei‑Fei LiLenny's Podcast00:28:40

Supporting quotes

We spent a year and a half building the world's first generative model that can output genuinely 3‑D worlds. Fei‑Fei Li
Product announcement
We can prompt with a sentence and an image and create worlds that we can just navigate in. Fei‑Fei Li
Feature description

From this concept

Marble -- The First Generative 3-D World Model Product

World Labs' flagship product, Marble, translates the world-model research into a usable platform, offering real-time 3-D generation, navigation, and export capabilities for creators, engineers, and researchers.

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