A coalition of nonprofit organisations has sued five major artificial intelligence companies, seeking to halt further model development over alleged catastrophic safety risks.
The lawsuit, filed in San Francisco Superior Court, names Anthropic, Google, Meta, OpenAI and SpaceXSI.
The plaintiffs allege the companies violated California's unfair competition law by endangering public health and interfering with property.
They argue that the firms have diverted resources from other work to address immediate harms linked to their technology.
While some technology executives have supported slowing development to strengthen safety measures, President Donald Trump has encouraged companies to regulate themselves to maintain an advantage over China. The lawsuit adds to growing calls for stronger AI oversight.
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Advocacy groups sue AI giants to freeze new models, warning of 'catastrophic' risks @WashTimes https://t.co/XL5P1ou1Ss
— Washington Times Local (@WashTimesLocal) November 12, 2026
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