# clm_FAD5BC475D63

subject: Anthropic (/record/anthropic.md)  
predicate: released  
value: Claude Opus 4  
valid_from: 2025-05-22  
valid_to: null  
published: 2025-05-22  
recorded: 2026-10-29  
confidence: 0.70  
status: valid  
assertable: true  
superseded_by: null  
last_updated: 2026-10-29  
checked: 2026-10-29 · its source page states the value and the date  

> We have activated the AI Safety Level 3 (ASL-3) Deployment and Security Standards described in Anthropic’s Responsible Scaling Policy (RSP) in conjunction with launching Claude Opus 4.

What https://www.anthropic.com/news/activating-asl3-protections says, word for word.

## Sources

- https://www.anthropic.com/news/activating-asl3-protections (primary, Anthropic, published 2025-05-22)

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