California Gov. Gavin Newsom has signed SB 53 , a first-in-the-nation bill that sets new transparency requirements on large AI companies.

SB 53, which passed the state legislature two weeks ago, requires large AI labs – including OpenAI, Anthropic, Meta, and Google DeepMind – to be transparent about safety protocols. It also ensures whistleblower protections for employees at those companies.

In addition, SB 53 creates a mechanism for AI companies and the public to report potential critical safety incidents to California’s Office of Emergency Services. Companies also have to report incidents related to crimes committed without human oversight, such as cyberattacks, and deceptive behavior by a model that isn’t required under the EU AI Act.

The bill has received mixed reactions

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