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The Efficiency Trap: How Open-Weight Models Are Eroding the US AI Moat

This week's edition examines the structural shift from static scaling to autonomous agentic workflows and the intensifying competition between closed American models and efficient Chinese open-weight architectures. We analyze how breakthroughs in capital efficiency and the rise of physical AI are redefining the boundaries between digital reasoning and real-world agency.

Read this edition in full at pers-int.com

0:00 - Introduction

0:31 - The Great Model Arms Race

9:40 - From Prompting to Agentic Workflows

14:42 - AI in the Lab and the Boardroom

18:40 - The Physical AI Frontier

20:44 -…

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