AI Weekly Briefing: Apple Sues OpenAI and GPT-5.6 Goes Public

GPT-5.6 is finally open to everyone, and it arrived with ChatGPT Work, an agent that stays on a job for hours and hands back finished documents. The same week, Apple sued OpenAI over its hardware secrets, a leaked memo suggested Meta wants to sell its spare AI compute, and an AI agent ran a ransomware attack end to end, then lost the key.  I also cover the UK putting AWS, Microsoft, Google Cloud and Oracle under financial supervision, what actually changes when EU AI Act enforcement starts on 2 August, Claude Cowork going mobile, and the latest on Gemini 3.5 Pro and Fable 5.