Simulating Everything, Sort of: The Promise and Limits of World Models

Ars Technica examines the ambition behind world models: building predictive or generative internal representations that can simulate aspects of the real world. Its title explicitly frames the claim with a qualification, suggesting a discussion of both promise and limits rather than a capability announcement. The available metadata does not identify specific models, experiments, institutions, or quantitative results, so those details require verification from the full article and its cited sources.