<p>Off Guard Meta CEO Mark Zuckerberg is scrambling after a small Chinese startup called DeepSeek turned Silicon Valley upside down with its chatbot app. The company's latest R1 AI model can run circles around the competition from Meta, OpenAI, and Anthropic — and at a tiny fraction of the cost. Apart from considerable skepticism over DeepSeek's claims, the development led to some serious soul-searching among investors. The ChatGPT competitor wiped out an estimated $1 trillion in value. AI chipmaker Nvidia set a new record for the biggest single-day loss of any company in history. The app's emergence appears to have caught Meta […]</p>