California · 2025–26 Regular Session · Senate Bill

SB 53: Artificial intelligence models: large developers.

Enacted Last action September 29, 2025: Chaptered by Secretary of State. Chapter 138, Statutes of 2025.

Plain-language summary

SB 53 is a senate bill introduced in the California Senate on January 7, 2025. According to its official title, it concerns: Artificial intelligence models: large developers. Primary sponsor: Scott Wiener (D). It lists 1 additional sponsor. Most recent recorded action (September 29, 2025): Chaptered by Secretary of State. Chapter 138, Statutes of 2025.

Sponsors

Primary sponsor: Scott Wiener (Democratic). 1 co-sponsor.