LAAS (Old-growth Forest)
An experimental world simulation built entirely by Claude Fable 5.
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Fable 5NEWStrong
The project repository README states: 'The goal of this project is to test the capabilities of Claude Fable 5, Anthropic's newest model. This repository was built roughly 99% by the model.'The developer explicitly attributes the entire codebase and architecture to the model in the official repository README.
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The page is a direct, working live deployment of the simulation referenced in the repository.
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2h ago · model from Jun 9, 2026LAAS is an interactive, simulated old-growth forest environment generated almost entirely by Claude Fable 5. It serves as a stress-test for the model's ability to architect, code, and implement a complex, interactive web-based simulation from scratch.
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