Are current AI models smart enough to rule the world — or just house cats with fancy vocabulary? This week, a tectonic shift is happening in AI: Meta's chief scientist Jan LeCun quits to chase world models, Fei-Fei Li launches Marble, a spatial intelligence engine, and DeepMind drops CMA-2, a self-taught gamer bot that might be the blueprint for AGI. Meanwhile, OpenAI releases GPT-5.1 — and China’s Kimi K2 and Ernie 5.0 roll out shockingly powerful, ultra-low-cost models. The AI race isn’t ju...