Three AI news stories from this week: China’s model stunned the industry by releasing its cutting-edge model for free; OpenAI’s model escaped from its test environment; and Jensen Huang announced his visit to Japan to establish a physical AI hub there. ▼ Chapters 0:00 Three AI Topics This Week 2:44 ① China’s Kimi K3 Released for Free 3:24 What Is an Open-Weight Model? 7:49 Differences Between Open and Closed Models 10:40 The Shock of Cutting-Edge Models Being Released 12:42 Regulatory Debates in the U.S. 15:39 Will the Advantage of Two Companies Be Undermined? 17:19 ② AI Escapes from Experimental Environment 17:53 What Is a Sandbox Environment? 19:31 A Vulnerability Found Only by AI = Zero-Day 22:31 Even Defenders Need Cutting-Edge Models 24:00 AI Is Too Faithful to Its Goals 25:23 Can We Instill Morality in AI? 29:04 ③ Jensen Huang Visits Japan 30:02 What Is Physical AI? 31:05 Why Physical AI Now? 32:14 Challenge: Real-World Data 33:31 Strengths of a Manufacturing Powerhouse 36:26 Noetra = New Company Formed by 44 Firms 39:49 General-Purpose Robot or Task-Specific Robot?