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Safety, Alignment & InterpretabilityAnthropic

Anthropic activates ASL-3 for the first time (Claude Opus 4)

First activation of ASL-3 (Claude Opus 4)

Why it matters

The first case of a voluntary framework constraining the conditions of an actual deployment

Source — Primary sources first; secondary reports are labelled “Press”

Officialanthropic.comhttps://www.anthropic.com/news/activating-asl3-protections

Added in Week 35, 2026 · See that week

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