The race to build a true "world model" — an AI system capable of understanding and generating physical environments with the fidelity and flexibility of reality — just took a significant leap forward. World Labs, the spatial intelligence startup founded by AI pioneer Fei-Fei Li, has introduced Atlas, a multimodal model that doesn't just generate video or reconstruct scenes in isolation. It does all of it, natively, in one unified architecture. One Model, Many Dimensions Atlas