Overview
Authored by Sen. Scott Wiener (D-San Francisco), SB 53 enacts the Transparency in Frontier Artificial Intelligence Act (TFAIA), requiring large frontier AI developers to write, implement, and publish a frontier AI safety framework.
Key Provisions
- Safety Frameworks: Large frontier developers must publish how they incorporate national, international, and industry-consensus best practices into their frontier models.
- Catastrophic Risk Reports: Developers must transmit summaries of catastrophic risk assessments to the Office of Emergency Services.
- Incident Reporting: Establishes a mechanism to report critical safety incidents.
- Whistleblower Protections: Protects covered employees who disclose specific and substantial public safety dangers, with attorney's fees available for successful actions.
- CalCompute: Establishes a consortium to develop a public cloud computing cluster framework.
Outcome: Passed both houses; approved by Governor Gavin Newsom and chaptered September 29, 2025 as Chapter 138, Statutes of 2025.