World Labs
A San Francisco AI lab building generative 3D world models, co-founded by Fei-Fei Li. It describes itself as a "frontier AI research and product company" working on spatial intelligence.
World Labs was founded in 2024 by Fei-Fei Li, Justin Johnson, Christoph Lassner and Ben Mildenhall, and came out of stealth in September 2024 with $230 million in funding, reported at a $1 billion valuation. Its first commercial product, Marble, launched on 12 November 2025 and turns text, images, video or 3D layouts into explorable 3D worlds that can be edited and exported as Gaussian splats or meshes.
In February 2026 it announced a $1 billion round that included $200 million from Autodesk, with AMD, Nvidia, Andreessen Horowitz, Emerson Collective, Fidelity and Sea Limited also named; no valuation was disclosed, though press reports discussed about $5 billion. On 28 September 2026 AMD announced a definitive agreement to acquire World Labs for roughly $8.2 billion in AMD stock, with Li to become AMD's executive vice president and chief scientist; as of the 27 October 2026 story the deal was reported as pending, expected to close by the end of the year subject to regulatory approval.
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