Claude Opus 5.5 Lands on AWS GovCloud—More Efficient, Same Genius
Anthropic's Claude Opus 5.5 is now available on AWS GovCloud (US), bringing smarter long-running coding and knowledge work with better token efficiency and lower costs than Opus 5. You get zero data retention by default, regional data residency, and AWS-managed security features like Guardrails—perfect for teams handling sensitive government workloads.
source: [aws/whats-new]