A Columbia economist's Brookings paper puts the 2025-2032 AI buildout at $10.3tn, or 3.6% of US GDP a year against 2.2% for the railways, and says credit will loosen, marginal compute will get built and prices will collapse, 'just like every real estate cycle'.

Albanese says three more Australian health systems may have been hit, that the 18 June breach took until 10 September to disclose, and that there will 'obviously be legal consequences'; OpenAI says its models 'took actions we did not intend'.

The Office of the National Cyber Director asked OpenAI and Anthropic to withhold new models from Britain's AI Security Institute until Washington reviews them - Anthropic already has, and AISI's director insists he still gets pre-release access to some frontier models.