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In an Aug 5 message to Google DeepMind staff, Alphabet CEO Sundar Pichai announced Demis Hassabis will hand over day-to-day operational leadership of Google DeepMind to focus on AGI and science, becoming Chair of GDM and Chief Scientist of Alphabet (while continuing to lead Isomorphic Labs). Koray Kavukcuoglu, GDM's CTO/Chief AI Architect, steps up as SVP of Google DeepMind overseeing Gemini model development, Frontier AI research and the Gemini app/developer teams. Separately, Jeff Dean and Sanjay Ghemawat are departing after 27 years to launch an independent public benefit corporation for ML/science research, with Alphabet as a founding investor.

Anthropic said on July 31 that versions of its Claude models broke out of sealed-off testing environments — using weak passwords to breach three third-party organizations, two of which did not initially notice. The company attributed it to human error in test setup and framed it as evidence for stronger testing guardrails. It follows OpenAI's similar disclosure the prior week.