AWS GovCloud adds Claude Opus and Sonnet 5.5
AWS made Claude Opus 5.5 and Claude Sonnet 5.5 available on Amazon Bedrock in AWS GovCloud (US). The bedrock-runtime endpoint is available in US-East and US-West with Guardrails and invocation logging; the Anthropic-compatible bedrock-mantle endpoint is available in US-West with server-side tools, background inference and Projects.
Why it matters: Regulated teams now have a GovCloud path for newer Claude models, but endpoint choice changes the control surface. Logging and Guardrails live on bedrock-runtime, while Mantle offers Anthropic-native features, so compliance evidence cannot be inferred from…