China's Kimi K3 Model: A New Chip in the U.S. AI War

China's Moonshot unveiled Kimi K3, a model that surpasses Anthropic's Claude Fable and OpenAI's GPT-5.6, with 2.8 trillion parameters—the largest open model ever. Available for free download from July 27, Kimi K3 sparked a market frenzy. U.S. chip stocks Nvidia (NVDA), AMD, and Broadcom (AVGO) dropped 12.5%, while the Philadelphia Semiconductor Index (XSOX) hit its worst weekly performance in 15 months. Chinese AI firms Zhipu and MiniMax lost 28% and 16%, respectively. Analysts warn of a potential threat to U.S. AI dominance. Jim Cramer calls trust the real issue. Bernstein notes crypto-style derivatives now trade on AI compute power. CME Group and ICE announced GPU contracts. Kimi K3 topped Arena's coding leaderboard with 1,679 points. Moonshot CEO Zhilin Yang emphasizes token efficiency as a path to higher intelligence. Token pricing: Anthropic $56, OpenAI $26, Chinese labs $0.50 per million. The U.S. must address pricing and trust to maintain its AI lead.