NIST
Claude Opus 5.5
+2
Sep 29, 2026
•
2 min read
Public system cards show stronger agents, uneven safeguards, and uncertainty rather than proof of artificial general intelligence
Sep 28, 2026
The September report separates interface requirements application threats identity controls and deployment limits for operators
Sep 27, 2026
The September publication connects key management, verification, lifecycle controls, and emerging AI and post quantum considerations
