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World Labs

AI · San Francisco, US

Fei-Fei Li's lab developing world models and spatial intelligence (Marble product) for 3D environments.

Founders

Fei-Fei Li (China · ♀) — The Stanford professor who created ImageNet and pioneered modern computer vision founded World Labs in 2024 to give AI spatial intelligence and the ability to understand 3D worlds.
Justin Johnson (United States · ♂) — A former Stanford student of Li and computer vision professor, he co-founded World Labs to turn his research on visual reasoning and generation into 3D world models.
Ben Mildenhall (United States · ♂) — As the creator of Neural Radiance Fields (NeRF), he co-founded World Labs to commercialize breakthroughs in 3D scene reconstruction.
Christoph Lassner (Germany · ♂) — A 3D graphics researcher behind differentiable rendering work foundational to Gaussian splatting, he co-founded World Labs to build interactive 3D worlds.

Shares the most investors with (number = shared investors):

Date	Round	Amount
Feb 2026	Growth Fei-Fei Li's World Labs raised $1 billion, with $200 million from Autodesk and participation from a16z, Nvidia and AMD, for 3D world models.	$1B
Jul 2024	Funding round World Labs, Fei-Fei Li's spatial-intelligence startup, raised over $100M from a16z and Radical Ventures, reaching a $1B+ valuation within four months of founding.	$100M

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Data is community-curated and may be incomplete.