Stanford Tech Review
World Labs Marble: Fei-Fei Li's 3D World Model, Explained
AI

World Labs Marble: Fei-Fei Li's 3D World Model, Explained

What Marble generates, the $2.9B funding race behind world models, and the fork between Fei-Fei Li's and Yann LeCun's definitions.

By Marcus Feldman · September 3, 2026

AI Data Center Guarantee Tracker: Nvidia, Meta, Google
AI

AI Data Center Guarantee Tracker: Nvidia, Meta, Google

A maintained record of disclosed AI data center guarantees: Nvidia's $105B residual value guaranties for OpenAI's Ohio campus, Meta's $41B across two ventures, and Alphabet's $43.8B of credit backstops, each traced to its filing.

Daniel Reyes · August 19, 2026