Anthropic Claude Sonnet 5.5 and Claude Opus 5.5 are now available on Kiro in AWS GovCloud (US)

Update your IDE or CLI to the latest version and restart to access the new Anthropic models, ensuring your development environment is optimized for the latest AI capabilities and performance improvements.

Adopt the new Anthropic models to integrate advanced AI capabilities into your development workflows, reducing operational toil with fewer tool calls and faster outputs, and enhancing overall platform performance.

Evaluate the integration of Anthropic's latest AI models in GovCloud to enhance AI-driven development capabilities and operational efficiency, leveraging the 40% reduction in tool calls and 30% faster output for significant productivity gains.