Artificial intelligence models: large developers.

SB 53 is a California Senate bill that focuses on artificial‑intelligence models built by large developers. Sponsored by Senator Scott Wiener, the bill has been enacted and added to the state statutes. It establishes regulatory oversight for these developers, though the exact requirements are not detailed in the provided summary.

• Sep 11, 2025Completed

  Privacy and Consumer Protection Committee Hearing

  House · Privacy and Consumer Protection

• Aug 29, 2025Completed

  Appropriations Committee Hearing

  House · Appropriations

• Aug 20, 2025Completed

  Appropriations Committee Hearing

  House · Appropriations

• Jul 16, 2025Completed

  Privacy and Consumer Protection Committee Hearing

  House · Privacy and Consumer Protection

• Jul 1, 2025Completed

  Judiciary Committee Hearing

  House · Judiciary

1. Sep 29, 2025

   Chaptered by Secretary of State. Chapter 138, Statutes of 2025.

2. Sep 29, 2025

   Approved by the Governor.

3. Sep 23, 2025

   Enrolled and presented to the Governor at 2 p.m.

4. Sep 13, 2025 · Senate

   In Senate. Concurrence in Assembly amendments pending.

5. Sep 13, 2025 · Senate

   Assembly amendments concurred in. (Ayes 29. Noes 8. Page 3039.) Ordered to engrossing and enrolling.

6. Sep 12, 2025 · House

   Read third time. Passed. (Ayes 59. Noes 7. Page 3432.) Ordered to the Senate.

7. Sep 12, 2025 · House

   Read second time. Ordered to third reading.

8. Sep 12, 2025 · House

   Assembly Rule 63 suspended.