States / California / Bills
CA SB53

Artificial intelligence models: large developers.

Passed Senate Scott Wiener (D)
Plain English Summary

California SB53 establishes new regulations for large developers of artificial intelligence (AI) models. It aims to ensure transparency and accountability in the development and deployment of AI technologies, addressing concerns about their impact on society and the workforce. The bill includes provisions for oversight and guidelines for ethical AI practices.

Supporters Say

Supporters of SB53 argue that the bill is a significant step towards responsible AI development, promoting transparency and ethical standards in an industry that is rapidly evolving. They believe it will protect consumers and workers from potential harms associated with unregulated AI technologies, fostering trust in AI applications.

Critics Say

Critics of SB53 contend that the regulations could stifle innovation and place unnecessary burdens on AI developers. They argue that the bill may hinder technological advancement and competitiveness in California's tech industry, potentially driving businesses to relocate to states with more lenient regulations.

Legislative Votes
Unfinished Business SB53 Wiener et al. Concurrence
Senate · Sep 13, 2025
Passed
29
YEA
8
NAY
Unfinished Business SB53 Wiener et al. Concurrence
Senate · Sep 12, 2025
Passed
29
YEA
8
NAY
SB 53 Wiener Senate Third Reading By BAUER-KAHAN
A · Sep 12, 2025
Passed
59
YEA
7
NAY
Do pass
A · Sep 11, 2025
Passed
12
YEA
1
NAY
Do pass as amended
A · Aug 29, 2025
Passed
11
YEA
1
NAY
Do pass as amended and be re-referred to the Committee on [Appropriations]
A · Jul 16, 2025
Passed
10
YEA
0
NAY
Do pass and be re-referred to the Committee on [Privacy and Consumer Protection]
A · Jul 1, 2025
Passed
12
YEA
0
NAY
Senate 3rd Reading SB53 Wiener
Senate · May 28, 2025
Passed
37
YEA
0
NAY
Do pass as amended
Senate · May 23, 2025
Passed
6
YEA
0
NAY
Placed on suspense file
Senate · Apr 21, 2025
Passed
6
YEA
0
NAY
Do pass, but first be re-referred to the Committee on [Appropriations] with the recommendation: To Consent Calendar
Senate · Apr 8, 2025
Passed
13
YEA
0
NAY
Do pass as amended, but first amend, and re-refer to the Committee on [Judiciary]
Senate · Mar 25, 2025
Passed
13
YEA
0
NAY

Source: LegiScan roll call vote data.

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About This Analysis

This summary was generated using AI from the bill's official text and metadata. Data sourced from LegiScan and the California State Legislature. Conflict-of-interest analysis for this bill is coming soon.