Moonshot AI: China's Moonshot unveils world's largest open AI model, closing in on US rivals

Chinese startup Moonshot on Friday unveiled Kimi K3, a 2.8 trillion-parameter model that it said is the world's largest open-weight AI system. The model features a 1 million-token context window for complex tasks. This launch showed how quickly China is narrowing the gap with advanced U.S. AI systems today.