Is World Labs publicly traded?

World Labs is a private company; its shares do not trade on a public exchange.

When was World Labs founded and where is it based?

World Labs was founded in 2024 and is headquartered in San Francisco, California.

Who leads World Labs?

Fei-Fei Li (Co-founder and CEO, World Labs).

Foundation Model Lab

World Labs

Fei-Fei Li's $1.23B-funded lab betting AI needs 3D spatial reasoning; its Marble tool generates walkable worlds.

World Labs builds world models — AI systems that reason about geometry, space, and 3D scenes rather than text. Its first product, Marble, went commercial in November 2025: it turns text, photos, video, or rough layouts into navigable 3D environments exportable as Gaussian splats, meshes, or video, on tiers running from free to a $95-a-month Max plan. Co-founded by Stanford's Fei-Fei Li in 2024 and based in San Francisco, the company has raised $1.23 billion across two rounds, the latest a $1 billion raise anchored by a $200 million Autodesk commitment.

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Fei-Fei Li@drfeifei

Why it matters

Li's argument — that language models have no native grasp of geometry, persistence, or gravity, and AGI is incomplete without spatial intelligence — is the clearest contrarian thesis among the frontier labs. World Labs also did what most thesis-driven labs don't: it shipped a paid product within 14 months of leaving stealth. Whether splat-based worlds become robotics and simulation infrastructure rather than pretty set-dressing is the question the $1.23 billion is riding on.

Core moat

The moat this early is research concentration: Li's computer-vision lineage attracts the small pool of people who can build world models at all, and Marble's head start gives the company real usage data on 3D generation before rivals ship anything comparable. Autodesk's anchor investment adds a route into professional design pipelines.

Risks

The major labs treat world models as a feature of their frontier stacks, not a company — if their general-purpose models absorb spatial reasoning, a standalone lab has to out-research organizations with far more compute. And Marble's consumer-tier pricing cannot carry a multi-billion-dollar valuation on its own.

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Who runs World Labs

Fei-Fei LiCo-founder and CEO, World Labs

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Frequently asked about World Labs

What does World Labs do?: Fei-Fei Li's $1.23B-funded lab betting AI needs 3D spatial reasoning; its Marble tool generates walkable worlds.
Is World Labs publicly traded?: World Labs is a private company; its shares do not trade on a public exchange.
When was World Labs founded and where is it based?: World Labs was founded in 2024 and is headquartered in San Francisco, California.
Who leads World Labs?: Fei-Fei Li (Co-founder and CEO, World Labs).
What is World Labs's competitive advantage?: The moat this early is research concentration: Li's computer-vision lineage attracts the small pool of people who can build world models at all, and Marble's head start gives the company real usage data on 3D generation before rivals ship anything comparable. Autodesk's anchor investment adds a route into professional design pipelines.