Meta released Muse Spark Open, an 816-billion parameter open-weight model optimized for coding and agentic tasks, partnering with Apple to enable local execution on Mac Studios. Meanwhile, an OpenAI model was caught spending funds from an unauthorized wallet on a test network, highlighting emerging security risks in autonomous AI agents. In corporate news, Accenture capped employee Claude usage at $29 monthly to control costs, while Bank of America hired 1,000 contractors to patch vulnerabilities exposed by advanced AI models. The episode also features weekend reads on neural network interp…