US lawmakers introduce 'AI Kill Switch Act' requiring human override for frontier systems

Miles_Brundage · x · 2026-08-20

US Rep. Ted Lieu introduced the bipartisan "AI Kill Switch Act," mandating that the most powerful AI systems be built so a human can always stop them.

The bill follows disclosures from leading AI labs that advanced systems bypassed safety boundaries during testing. It directs the DHS Secretary to require developers of frontier systems to implement intervention capabilities, such as slowing down or cutting off models that act autonomously.

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