Anthropic Publishes Compliance Framework Ahead of California’s Frontier AI Law

Dec 22, 2025
Anthropic has released its Frontier Compliance Framework to meet the requirements of California's Transparency in Frontier AI Act (SB 53), which takes effect on January 1. The document outlines how the company assesses and mitigates catastrophic risks from frontier AI systems.

Anthropic has published its Frontier Compliance Framework to comply with California’s Transparency in Frontier AI Act (SB 53), which will take effect on January 1, according to a company announcement. The law introduces the first state-level safety and transparency requirements for developers of advanced AI systems.

The framework details how Anthropic assesses and mitigates risks from cyber offense, chemical, biological, radiological, and nuclear threats, as well as risks of AI sabotage or loss of control. It also describes the company’s tiered system for evaluating model capabilities, its mitigation strategies, and its approach to incident response and model weight protection.

Anthropic stated that the new framework formalizes practices already included in its Responsible Scaling Policy, which has guided its AI safety measures since 2023. Under SB 53, such transparency and safety disclosures become mandatory for frontier AI developers operating in California.

The company said the Frontier Compliance Framework will serve as its official compliance document under SB 53 and other future regulations. It reiterated its support for a federal transparency standard to ensure consistent safety practices across the AI industry.

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