AsOf

Anthropic · releasedClaude Opus 4

validasserted
Valid from
2025-05-22
Valid until
still holds
Published
2025-05-22
Recorded by AsOf
2026-10-29
Checked
2026-10-29 · its source page states the value and the date
Confidence
0.70

Sources

“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 the page says, read 2026-10-29