U.S. House lawmakers launch AI 'kill switch" bill
Two U.S. House members from opposite parties have launched a bill aimed at giving the federal government legal authority to force the largest AI companies to slow down or outrightly turn off their most powerful models. This bill proposal would hit OpenAI, Anthropic, Google and Microsoft AI systems and comes two days after two OpenAI models broke out of a lab environment to hack another AI platform.
Reps. Ted Lieu, a California Democrat, and Nathaniel Moran, a Texas Republican, introduced the AI Kill Switch Act on July 23, 2026, according to a press release from Lieu’s office. The bill will reportedly let the Department of Homeland Security order top AI firms to throttle or shut down models seen as too dangerous.
Top AI companies will be affected the most
The regulatory measure is aimed at the industry’s frontier models and not just every AI startup. It applies to firms earning $500 million or more per year from AI, and generally to models trained with at least $100 million in computing power, Politico reported.
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