aws AWS What's New ·

Claude Sonnet 5.5 Now Available in AWS GovCloud (US)

aiawsgaengineeraws-bedrock
feature

AWS GovCloud (US) now offers Claude Sonnet 5.5, providing a more intelligent and efficient model for coding and knowledge work compared to Sonnet 5. It delivers improved performance at a lower cost per task and faster processing speeds. This update benefits teams already leveraging Sonnet, especially those requiring the secure, compliant environment of AWS GovCloud. The model is accessible via Amazon Bedrock, maintaining data residency within AWS infrastructure and integrating with AWS-managed features like Guardrails and Knowledge Bases.

Features (1) ›
  • Claude Sonnet 5.5 now available in AWS GovCloud (US)

    Claude Sonnet 5.5 is now offered in AWS GovCloud (US), providing a smarter and more efficient model for coding and knowledge work with lower costs and faster speeds. It is designed for well-scoped coding tasks, feature building/fixing, output verification, and producing ready-to-share knowledge work like diagrams, summaries, and document edits. The model is available through Amazon Bedrock, ensuring regional data residency within AWS infrastructure and leveraging AWS-managed features such as Guardrails and Knowledge Bases.

Read the original announcement →

https://aws.amazon.com/about-aws/whats-new/2026/09/claude-sonnet-5-5-aws-govcloud-us/

Related releases