Large frontier developers must publish a frontier AI framework
Under California SB 53, Business and Professions Code, Chapter 25.1 (as added by SB 53)
What does it require?
Large frontier developers must publish and maintain a framework describing how they incorporate national and international standards, assess catastrophic risk, apply mitigations, secure model weights, and govern internal processes, and must review it at least annually.
Practical action
Publish a safety framework and keep a change log of revisions.
Who does it apply to?
Large frontier developers above the statutory compute and revenue thresholds.
- Sectors
- Cross-sector / all sectors
- Use cases
- Generative AI and foundation models
Applies from:
Evidence examples
- Published frontier AI framework (document)
Framework mappings
Original editorial crosswalks. They cite clause numbers only and reproduce no standard text; confidence reflects how direct the mapping is.
| Framework | Reference | Note | Confidence |
|---|---|---|---|
| NIST AI RMF 1.0 | GOVERN 1.x; NIST AI 600-1 | Original editorial mapping. | medium |
Similar obligations in other instruments
- Manage systemic risk for high-impact general-purpose models — EU AI Act, European Union
- Measure and test trustworthiness characteristics (Measure) — NIST AI RMF, United States (voluntary)
Informational only, not legal advice. Verify every claim against the linked official sources and consult qualified counsel before acting.