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    SB-53
    Technology & Innovation

    Artificial intelligence models: large developers.

    Enrolled
    CA
    ∙
    2025-2026 Regular Session
    1
    4
    Track
    Track

    Key Takeaways

    • Requires large AI developers to publish safety frameworks and report catastrophic risks to state authorities.
    • Establishes a state consortium to develop CalCompute, a public cloud computing platform for AI research.
    • Creates whistleblower protections for employees who report AI safety concerns or violations.
    • Imposes civil penalties up to $1 million per violation for companies that fail to comply with transparency rules.

    Summary

    California State Senator Scott Wiener proposes comprehensive oversight of advanced artificial intelligence systems through legislation requiring large developers to publicly document safety protocols, report critical incidents, and protect employee whistleblowers. The bill establishes mandatory risk assessment frameworks for companies developing powerful AI models, while creating a state consortium to explore public cloud computing infrastructure.

    Under the measure, companies meeting specified technical and revenue thresholds must publish detailed safety frameworks describing how they evaluate and mitigate potential catastrophic risks from their AI systems. These frameworks must address cybersecurity practices, incident response protocols, and internal governance procedures. Developers must also submit quarterly risk assessment summaries to state emergency officials and report any critical safety incidents within 15 days.

    The legislation creates new whistleblower protections for employees involved in AI safety work, prohibiting retaliation against those who report substantial public safety risks or violations of the transparency requirements. Large developers must establish anonymous internal reporting channels and provide regular updates on investigations of employee concerns.

    A state consortium would develop recommendations by 2027 for "CalCompute," a proposed public cloud computing resource to support safe and equitable AI research. The 14-member group would analyze infrastructure needs, costs, governance approaches, and workforce development strategies before dissolving upon submitting its report.

    The Attorney General would enforce the transparency and reporting requirements through civil penalties up to $1 million per violation. The bill preempts local regulation of AI catastrophic risk management while preserving other state and federal obligations. Certain safety reports would be exempt from public records requests to protect sensitive information.

    Key Dates

    Next Step
    Senate Floor
    Next Step
    Senate Committee
    Senate Floor
    Hearing has not been scheduled yet
    Vote on Assembly Floor
    Assembly Floor
    Vote on Assembly Floor
    SB 53 Wiener Senate Third Reading By BAUER-KAHAN
    Vote on Senate Floor
    Senate Floor
    Vote on Senate Floor
    Unfinished Business SB53 Wiener et al. Concurrence
    Assembly Committee
    Do pass
    Assembly Appropriations Hearing
    Assembly Committee
    Assembly Appropriations Hearing
    Do pass as amended
    Assembly Privacy And Consumer Protection Hearing
    Assembly Committee
    Assembly Privacy And Consumer Protection Hearing
    Do pass as amended and be re-referred to the Committee on [Appropriations]
    Assembly Judiciary Hearing
    Assembly Committee
    Assembly Judiciary Hearing
    Do pass and be re-referred to the Committee on [Privacy and Consumer Protection]
    Assembly Judiciary Hearing
    Assembly Committee
    Assembly Judiciary Hearing
    Do pass and be re-referred to the Committee on [Privacy and Consumer Protection]
    Vote on Senate Floor
    Senate Floor
    Vote on Senate Floor
    Senate 3rd Reading SB53 Wiener
    Senate Appropriations Hearing
    Senate Committee
    Senate Appropriations Hearing
    Do pass as amended
    Senate Appropriations Hearing
    Senate Committee
    Senate Appropriations Hearing
    Placed on suspense file
    Senate Judiciary Hearing
    Senate Committee
    Senate Judiciary Hearing
    Do pass, but first be re-referred to the Committee on [Appropriations] with the recommendation: To Consent Calendar
    Senate Governmental Organization Hearing
    Senate Committee
    Senate Governmental Organization Hearing
    Do pass as amended, but first amend, and re-refer to the Committee on [Judiciary]
    Introduced
    Senate Floor
    Introduced
    Introduced. Read first time. To Com. on RLS. for assignment. To print.

    Contacts

    Profile
    Anna CaballeroD
    Senator
    Floor Vote
    Not Contacted
    Not Contacted
    Profile
    Roger NielloR
    Senator
    Floor Vote
    Not Contacted
    Not Contacted
    Profile
    Tony StricklandR
    Senator
    Floor Vote
    Not Contacted
    Not Contacted
    Profile
    Shannon GroveR
    Senator
    Floor Vote
    Not Contacted
    Not Contacted
    Profile
    Brian JonesR
    Senator
    Floor Vote
    Not Contacted
    Not Contacted
    0 of 40 row(s) selected.
    Page 1 of 8
    Select All Legislators
    Profile
    Anna CaballeroD
    Senator
    Floor Vote
    Profile
    Roger NielloR
    Senator
    Floor Vote
    Profile
    Tony StricklandR
    Senator
    Floor Vote
    Profile
    Shannon GroveR
    Senator
    Floor Vote
    Profile
    Brian JonesR
    Senator
    Floor Vote
    Profile
    Benjamin AllenD
    Senator
    Floor Vote
    Profile
    Mike McGuireD
    Senator
    Floor Vote
    Profile
    Steven ChoiR
    Senator
    Floor Vote
    Profile
    Eloise ReyesD
    Senator
    Floor Vote
    Profile
    Scott WienerD
    Senator
    Bill Author
    Profile
    Henry SternD
    Senator
    Floor Vote
    Profile
    Tim GraysonD
    Senator
    Floor Vote
    Profile
    Monique LimonD
    Senator
    Floor Vote
    Profile
    Sabrina CervantesD
    Senator
    Floor Vote
    Profile
    Bob ArchuletaD
    Senator
    Floor Vote
    Profile
    Maria DurazoD
    Senator
    Floor Vote
    Profile
    Melissa HurtadoD
    Senator
    Floor Vote
    Profile
    Tom UmbergD
    Senator
    Floor Vote
    Profile
    Susan RubioD
    Senator
    Bill Author
    Profile
    Lena GonzalezD
    Senator
    Floor Vote
    Profile
    Megan DahleR
    Senator
    Floor Vote
    Profile
    Kelly SeyartoR
    Senator
    Floor Vote
    Profile
    Josh BeckerD
    Senator
    Floor Vote
    Profile
    Dave CorteseD
    Senator
    Floor Vote
    Profile
    John LairdD
    Senator
    Floor Vote
    Profile
    Rosilicie Ochoa BoghR
    Senator
    Floor Vote
    Profile
    Akilah Weber PiersonD
    Senator
    Floor Vote
    Profile
    Marie Alvarado-GilR
    Senator
    Floor Vote
    Profile
    Angelique AshbyD
    Senator
    Floor Vote
    Profile
    Catherine BlakespearD
    Senator
    Floor Vote
    Profile
    Caroline MenjivarD
    Senator
    Floor Vote
    Profile
    Steve PadillaD
    Senator
    Floor Vote
    Profile
    Lola Smallwood-CuevasD
    Senator
    Floor Vote
    Profile
    Aisha WahabD
    Senator
    Floor Vote
    Profile
    Jesse ArreguinD
    Senator
    Floor Vote
    Profile
    Christopher CabaldonD
    Senator
    Floor Vote
    Profile
    Jerry McNerneyD
    Senator
    Floor Vote
    Profile
    Sasha Renee PerezD
    Senator
    Floor Vote
    Profile
    Laura RichardsonD
    Senator
    Floor Vote
    Profile
    Suzette ValladaresR
    Senator
    Floor Vote

    Get Involved

    Act Now!

    Email the authors or create an email template to send to all relevant legislators.

    Introduced By

    Scott Wiener
    Scott WienerD
    California State Senator
    Co-Author
    Susan Rubio
    Susan RubioD
    California State Senator
    70% progression
    Bill has passed both houses in identical form and is being prepared for the Governor (9/13/2025)

    Latest Voting History

    View History
    September 12, 2025
    PASS
    Senate Floor
    Vote on Senate Floor
    AyesNoesNVRTotalResult
    298340PASS

    Key Takeaways

    • Requires large AI developers to publish safety frameworks and report catastrophic risks to state authorities.
    • Establishes a state consortium to develop CalCompute, a public cloud computing platform for AI research.
    • Creates whistleblower protections for employees who report AI safety concerns or violations.
    • Imposes civil penalties up to $1 million per violation for companies that fail to comply with transparency rules.

    Get Involved

    Act Now!

    Email the authors or create an email template to send to all relevant legislators.

    Introduced By

    Scott Wiener
    Scott WienerD
    California State Senator
    Co-Author
    Susan Rubio
    Susan RubioD
    California State Senator

    Summary

    California State Senator Scott Wiener proposes comprehensive oversight of advanced artificial intelligence systems through legislation requiring large developers to publicly document safety protocols, report critical incidents, and protect employee whistleblowers. The bill establishes mandatory risk assessment frameworks for companies developing powerful AI models, while creating a state consortium to explore public cloud computing infrastructure.

    Under the measure, companies meeting specified technical and revenue thresholds must publish detailed safety frameworks describing how they evaluate and mitigate potential catastrophic risks from their AI systems. These frameworks must address cybersecurity practices, incident response protocols, and internal governance procedures. Developers must also submit quarterly risk assessment summaries to state emergency officials and report any critical safety incidents within 15 days.

    The legislation creates new whistleblower protections for employees involved in AI safety work, prohibiting retaliation against those who report substantial public safety risks or violations of the transparency requirements. Large developers must establish anonymous internal reporting channels and provide regular updates on investigations of employee concerns.

    A state consortium would develop recommendations by 2027 for "CalCompute," a proposed public cloud computing resource to support safe and equitable AI research. The 14-member group would analyze infrastructure needs, costs, governance approaches, and workforce development strategies before dissolving upon submitting its report.

    The Attorney General would enforce the transparency and reporting requirements through civil penalties up to $1 million per violation. The bill preempts local regulation of AI catastrophic risk management while preserving other state and federal obligations. Certain safety reports would be exempt from public records requests to protect sensitive information.

    70% progression
    Bill has passed both houses in identical form and is being prepared for the Governor (9/13/2025)

    Key Dates

    Next Step
    Senate Floor
    Next Step
    Senate Committee
    Senate Floor
    Hearing has not been scheduled yet
    Vote on Assembly Floor
    Assembly Floor
    Vote on Assembly Floor
    SB 53 Wiener Senate Third Reading By BAUER-KAHAN
    Vote on Senate Floor
    Senate Floor
    Vote on Senate Floor
    Unfinished Business SB53 Wiener et al. Concurrence
    Assembly Committee
    Do pass
    Assembly Appropriations Hearing
    Assembly Committee
    Assembly Appropriations Hearing
    Do pass as amended
    Assembly Privacy And Consumer Protection Hearing
    Assembly Committee
    Assembly Privacy And Consumer Protection Hearing
    Do pass as amended and be re-referred to the Committee on [Appropriations]
    Assembly Judiciary Hearing
    Assembly Committee
    Assembly Judiciary Hearing
    Do pass and be re-referred to the Committee on [Privacy and Consumer Protection]
    Assembly Judiciary Hearing
    Assembly Committee
    Assembly Judiciary Hearing
    Do pass and be re-referred to the Committee on [Privacy and Consumer Protection]
    Vote on Senate Floor
    Senate Floor
    Vote on Senate Floor
    Senate 3rd Reading SB53 Wiener
    Senate Appropriations Hearing
    Senate Committee
    Senate Appropriations Hearing
    Do pass as amended
    Senate Appropriations Hearing
    Senate Committee
    Senate Appropriations Hearing
    Placed on suspense file
    Senate Judiciary Hearing
    Senate Committee
    Senate Judiciary Hearing
    Do pass, but first be re-referred to the Committee on [Appropriations] with the recommendation: To Consent Calendar
    Senate Governmental Organization Hearing
    Senate Committee
    Senate Governmental Organization Hearing
    Do pass as amended, but first amend, and re-refer to the Committee on [Judiciary]
    Introduced
    Senate Floor
    Introduced
    Introduced. Read first time. To Com. on RLS. for assignment. To print.

    Latest Voting History

    View History
    September 12, 2025
    PASS
    Senate Floor
    Vote on Senate Floor
    AyesNoesNVRTotalResult
    298340PASS

    Contacts

    Profile
    Anna CaballeroD
    Senator
    Floor Vote
    Not Contacted
    Not Contacted
    Profile
    Roger NielloR
    Senator
    Floor Vote
    Not Contacted
    Not Contacted
    Profile
    Tony StricklandR
    Senator
    Floor Vote
    Not Contacted
    Not Contacted
    Profile
    Shannon GroveR
    Senator
    Floor Vote
    Not Contacted
    Not Contacted
    Profile
    Brian JonesR
    Senator
    Floor Vote
    Not Contacted
    Not Contacted
    0 of 40 row(s) selected.
    Page 1 of 8
    Select All Legislators
    Profile
    Anna CaballeroD
    Senator
    Floor Vote
    Profile
    Roger NielloR
    Senator
    Floor Vote
    Profile
    Tony StricklandR
    Senator
    Floor Vote
    Profile
    Shannon GroveR
    Senator
    Floor Vote
    Profile
    Brian JonesR
    Senator
    Floor Vote
    Profile
    Benjamin AllenD
    Senator
    Floor Vote
    Profile
    Mike McGuireD
    Senator
    Floor Vote
    Profile
    Steven ChoiR
    Senator
    Floor Vote
    Profile
    Eloise ReyesD
    Senator
    Floor Vote
    Profile
    Scott WienerD
    Senator
    Bill Author
    Profile
    Henry SternD
    Senator
    Floor Vote
    Profile
    Tim GraysonD
    Senator
    Floor Vote
    Profile
    Monique LimonD
    Senator
    Floor Vote
    Profile
    Sabrina CervantesD
    Senator
    Floor Vote
    Profile
    Bob ArchuletaD
    Senator
    Floor Vote
    Profile
    Maria DurazoD
    Senator
    Floor Vote
    Profile
    Melissa HurtadoD
    Senator
    Floor Vote
    Profile
    Tom UmbergD
    Senator
    Floor Vote
    Profile
    Susan RubioD
    Senator
    Bill Author
    Profile
    Lena GonzalezD
    Senator
    Floor Vote
    Profile
    Megan DahleR
    Senator
    Floor Vote
    Profile
    Kelly SeyartoR
    Senator
    Floor Vote
    Profile
    Josh BeckerD
    Senator
    Floor Vote
    Profile
    Dave CorteseD
    Senator
    Floor Vote
    Profile
    John LairdD
    Senator
    Floor Vote
    Profile
    Rosilicie Ochoa BoghR
    Senator
    Floor Vote
    Profile
    Akilah Weber PiersonD
    Senator
    Floor Vote
    Profile
    Marie Alvarado-GilR
    Senator
    Floor Vote
    Profile
    Angelique AshbyD
    Senator
    Floor Vote
    Profile
    Catherine BlakespearD
    Senator
    Floor Vote
    Profile
    Caroline MenjivarD
    Senator
    Floor Vote
    Profile
    Steve PadillaD
    Senator
    Floor Vote
    Profile
    Lola Smallwood-CuevasD
    Senator
    Floor Vote
    Profile
    Aisha WahabD
    Senator
    Floor Vote
    Profile
    Jesse ArreguinD
    Senator
    Floor Vote
    Profile
    Christopher CabaldonD
    Senator
    Floor Vote
    Profile
    Jerry McNerneyD
    Senator
    Floor Vote
    Profile
    Sasha Renee PerezD
    Senator
    Floor Vote
    Profile
    Laura RichardsonD
    Senator
    Floor Vote
    Profile
    Suzette ValladaresR
    Senator
    Floor Vote