In 2023, the business model was clear. Anthropic builds models. Developers access them via API. Developers build products. Users use the products. Anthropic makes money from the API. Everyone wins. This was the foundation on which thousands of companies built their products, raised their funding, and hired their teams. The labs were infrastructure. The ecosystem was the product layer. The relationship was symbiotic and straightforward. That model is gone. It did not disappear wi...