Block says it has submitted an application to US regulators to establish a federally regulated, uninsured national trust bank called Builders Bank & Trust (Elias Schisgall/Wall Street Journal)

Block filed a proposal to establish Builders Bank & Trust, a federally regulated, uninsured national trust bank. OpenAI claims its internal model, described as “significantly more capable than GPT-6 Astra,” solved the Navier-Stokes Millennium Prize problem using 10,000 concurrent agents over 88 hours. Mathematician Tristan Buckmaster alleges the model learned from his work with Anthropic. Meta launched Muse, a personal AI agent that runs on a dedicated virtual machine in its cloud, initially available in the United States.