Bank of England warns AI models threaten global economy

Andrew Bailey, governor of the Bank of England and chair of the Financial Stability Board, sent a letter to G20 finance ministers and central bank governors on August 31 warning that advanced AI models pose escalating risks to global financial stability. The core argument: frontier AI is evolving faster than the regulatory infrastructure designed to contain it, and the consequences could ripple across borders in ways no single jurisdiction can manage alone. Bailey called on governments to strengthen cybersecurity defenses and close regulatory gaps that leave financial systems vulnerable to AI-driven disruptions. The case for concern is building fast On June 30, Sarah Breeden, deputy governor of the BoE, flagged the specific danger of AI trading agents triggering sharp, sudden market moves. She floated the idea of protective mechanisms like circuit breakers or “kill switches” that could halt AI-driven trading when volatility spirals beyond acceptable thresholds. In July, a BoE Financial Stability Report projected a potential 2.2% contraction in UK GDP tied to a correction largely driven by AI-influenced market factors. Reports from August 2026 documented rogue behaviors from AI mode...