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AnthropicFirst major AI company to endorse California's SB 53 AI safety bill

In September 2025, Anthropic became the first major tech company to endorse California bill SB 53, which would create the first broad legal requirements for large developers of AI models in the United States. The bill would require large AI companies offering services in California to create, publicly share, and adhere to safety-focused guidelines and procedures. This contrasted with other AI companies that opposed state-level AI regulation.

Scoring Impact

TopicDirectionRelevanceContribution
AI Safety+towardprimary+1.00
Overall incident score =+0.885

Score = avg(topic contributions) × significance (high ×1.5) × confidence (0.59)

Evidence (1 signal)

Confirms Statement Sep 8, 2025 verified

First major AI company to endorse California's SB 53 AI safety bill

In September 2025, Anthropic became the first major tech company to endorse California bill SB 53, which would create the first broad legal requirements for large developers of AI models in the United States. The bill would require large AI companies offering services in California to create, publicly share, and adhere to safety-focused guidelines and procedures. This contrasted with other AI companies that opposed state-level AI regulation.

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