Karpathy joins Anthropic; Google I/O launches Gemini 3.5 Flash

Anthropic gains an OpenAI co-founder and $45bn in compute; Google I/O 2026 introduces Gemini 3.5 Flash; London Mayor blocks a police AI contract.

• Gemini 3.5 Flash and Gemini Omni unveiled at Google I/O 2026
• Andrej Karpathy joins Anthropic to lead pretraining research
• xAI agrees to supply Anthropic $45 billion in compute capacity
• London Mayor blocks Metropolitan Police's £50 million Palantir AI contract
• EU AI Act compliance deadlines extended, nudification apps to be banned