California Gov. Gavin Newsom signed a groundbreaking law establishing AI safety regulations aimed at preventing misuse of powerful artificial intelligence models in catastrophic ways.

The law targets activities such as building bioweapons or shutting down banking systems, addressing potential large-scale harms from AI misuse.

What he’s saying: Newsom emphasized California’s leadership role in AI regulation and criticized the lack of federal action, saying, “California has proven that we can establish regulations to protect our communities while also ensuring that the growing AI industry continues to thrive.”

The big picture: The legislation introduces some of the nation’s earliest rules on large-scale AI models, designed not to hinder California’s homegrown AI industry, which includes m

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