Mustafa Suleyman says unusual AI activity underlines need for closer safety scrutiny
Plaintiffs allege the AI companies coordinated to slow development and limit competition
Both companies plan to invest at least $1 billion each in AI safety over five years
AI firm says Claude was used in weapons development, cyber espionage and model-distillation attacks
AI startup could raise up to $100 billion at a valuation of around $2 trillion
