Post #17893 86 Sep 22, 2026, 18:03 UTC Claude Opus 5.5 is now available on AWS GovCloud (US)https://aws.amazon.com/about-aws/whats-new/2026/09/claude-opus-5-5-aws-govcloud/ Amazon Claude Opus 5.5 is now available on AWS GovCloud (US) - AWS Discover more about what's new at AWS with Claude Opus 5.5 is now available on AWS GovCloud (US)