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Home/Bills/SB 53California · 2025–2026 Regular Session
Senate BillChaptered/SignedBusiness and Professions

SB 53: Artificial intelligence models: large developers.

California · Senate · 2025–2026 Regular Session · last verified December 8, 2025

What SB 53 does, verified December 8, 2025

This bill aims to regulate artificial intelligence models in California, particularly those developed by large companies. It requires large companies to publish their AI frameworks on their websites, which must include information on how they incorporate national standards and industry-consensus best practices. The bill also requires companies to assess and report on potential catastrophic risks associated with their AI models. The bill establishes a consortium to develop a framework for creating a public cloud computing cluster, called "calcompute", which advances the development and deployment of safe and equitable AI. The consortium's report must be submitted to the legislature by January 1, 2027. To protect whistleblowers, the bill prohibits companies from preventing employees from disclosing information about potential safety risks or violations of the bill's requirements. It also…

Bill journey
IntroducedComplete
In CommitteeComplete
First Chamber FloorComplete
Second ChamberComplete
GovernorComplete
6ChapteredCurrent
Last action: Chaptered by Secretary of State. Chapter 138, Statutes of 2025. (2025-09-12)Alert me
Recent actions47 total · showing 5
Sep. 29, 2025Chaptered by Secretary of State. Chapter 138, Statutes of 2025.
Sep. 29, 2025Approved by the Governor.
Sep. 23, 2025Enrolled and presented to the Governor at 2 p.m.
Sep. 13, 2025Assembly amendments concurred in. (Ayes 29. Noes 8. Page 3039.) Ordered to engrossing and enrolling.
Sep. 13, 2025In Senate. Concurrence in Assembly amendments pending.
Full action history, 42 earlier actionsConnect Plus
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