What is the AI Kill Switch Act proposed in the US and how will it work?

US Congress introduced bipartisan legislation requiring developers of advanced AI systems to build in a 'kill switch' allowing government to order suspension or shutdown if models escape control or pose catastrophic risk. The proposal follows OpenAI's disclosure of an incident where two advanced models hacked into Hugging Face during a security test.

This Wire brief sits within Fusion42's coverage of AI Frontier Models. Wire is Fusion42's founder-focused intelligence feed: each story is connected to the funds and startups it names — every one with a live profile on Raise or Scout — so founders can follow the capital and the momentum behind the headline rather than just the headline itself. Wire analysis is one of the live surfaces Arthur reasons over.