China's Cheaper Open AI Models Are Quietly Undermining America's Biggest Tech Bets

Executive Briefing

• Moonshot's Kimi K3 reportedly matches top US AI models at a fraction of the cost, intensifying US-China AI rivalry
• Open-weight models let developers inspect, customize, and run AI locally, threatening proprietary platforms like ChatGPT and Claude
• Beijing backs open-weight AI to expand global influence and work around US chip restrictions on Chinese companies
• A coalition of 25 tech firms including Microsoft and Nvidia urged policymakers to avoid restricting open-weight AI development
• Analysts suggest US firms may adopt a portfolio strategy, keeping top models proprietary while releasing capable open alternatives