Four throughlines run through today’s edition. Silicon economics is loudest: Nvidia’s claim that its Groq 3 LPX chip beats Cerebras by 4x omits chip counts and Cerebras’ newest generation, even as Nvidia opens CUDA to RISC-V under a hardware bar almost nothing clears and Anthropic hires Google’s TPU founder, Amir Salek, to start an in-house chip effort.

The Silicon Squeeze: Chips, Claims and Cost Chains

Nvidia’s speed claims and CUDA ambitions collide with the hard economics of building AI hardware, while Anthropic starts hedging its own chip supply.

Agents Under Watch: Security Catches Up With Autonomy

Regulators and researchers are starting to treat autonomous agents as a genuine security and legal exposure, not just a product feature.

The Intelligence Ceiling: What Buyers Actually Pay For

A theory about diminishing returns on model capability meets two very different bets on how much intelligence is worth disclosing.

Past the Demo: How Agents Actually Get Built

Three views from inside the agent-building process, on where the real bottleneck sits and what happens once an agent leaves the chat window.

Quick Hits

The rest of what moved today, in one line each.