HONG KONG (AP) — China has a hot new product in the United States: artificial intelligence. San Francisco-based Raffi Krikorian, the chief technology officer at Mozilla, which runs the Firefox browser, switched to Chinese AI startup Moonshot’s Kimi K3 for many of his day-to-day activities within days of the new, powerful model’s launch more than a week ago. “It just seems snappier,” he said of K3, comparing it to the acclaimed and more expensive Claude Fable chatbot from San company...