OpenAI’s ChatGPT Wallet lets AI agents pay with payment tokens instead of real card numbers, with biometric approval on every purchase, and Thinking Machines says a 4-bit forward pass speeds up training for Inkling 2 Small.

Also in today’s issue: Garry Tan’s cost test of Fable 5.2 against Opus 5.5, Amazon’s reported World Product Graph, the Grok Bot team’s lint-rule playbook for AI-written code, and readings on loyalty capture in advisor AI, Harness² and always-on agents.