On August 2, The Wall Street Journal disclosed that, in light of China's cost-effective AI models, Silicon Valley startups are venturing into the development of their own open models. Nevertheless, owing to a lack of enthusiasm from venture capital firms, several of these companies are encountering financial hurdles and grappling with operational challenges. By the close of 2025, Silicon Valley startup Arcee AI had successfully crafted a potent open-weight AI model through a 33-day pre-training phase, incurring expenses that were notably lower than those of sizable laboratories. The outcome is a customizable, budget-friendly AI system engineered to rival the burgeoning Chinese models. Despite the hurdles in securing funding, Arcee maintains an optimistic outlook on the future trajectory of the U.S. open-weight AI ecosystem.