Moonshot AI halted new subscriptions for Kimi K3 after a flood of interest, underscoring how the model’s release last week has upended global assessments of China’s artificial intelligence (AI) capabilities. “Over the past 48 hours, demand has pushed close to the limits of our current capacity,” Beijing-based Moonshot AI said in a statement posted on X on Sunday. The company’s computer chips “are feeling it.” Moonshot last week unveiled Kimi K3, an open-weight AI model that the company says...