AI race splits in two as China wages open-weight insurgency

China's latest AI breakthrough is forcing Silicon Valley to confront a terrifying possibility: Building the world's smartest models may no longer be enough to win. Why it matters: Chinese labs like Moonshot AI are cornering the market for cheap, customizable intelligence, threatening to turn America's prestige models into expensive niche products. Driving the news: Companies were already shifting away from premium AI models and toward cheaper Chinese alternatives before Moonshot's Kimi K3…