Four threads run through today’s edition. Amodei’s pacing proposal keeps drawing rebuttals with their own stakes: Tunguz maps five camps that never name a speed limit, Cohere’s Gomez calls it a cartel in disguise, Altman answers with new internal safety cases, and GE Vernova, Vertiv and Oracle sold off Monday after the proposal landed.

The Pacing Fight Spreads: From Essay to Balance Sheet to Stock Ticker

Amodei’s call for the industry to pace itself has stopped being a debate among labs and started moving markets, drawing a competitor’s rebuttal, a policy response, and a financial-motive critique along the way.

Claude Everywhere: The Model Other Companies Build Around

Anthropic’s model is turning up inside other companies’ systems, from Apple’s rebuilt Siri to Google’s internal engineering stack, while Anthropic prepares to push Claude deeper into personal finance.

Agents Get a Body: Phones, Businesses, and Local Machines

The agent layer is moving off the chat screen and onto real hardware and real operations, from a framework that taps a physical phone to a startup offering to put an agent in charge of an entire business.

Research Turns Inward: Questioning the Field’s Own Tools

Three separate pieces of research today question the tools the field relies on to measure and train itself, from benchmark methodology to backpropagation to whether an alignment test can still be trusted.

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