Claude Opus 5.5 and Sonnet 5.5 Arrive on AWS GovCloud with Claude Code Support
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On October 6, 2026, the AWS Machine Learning Blog announced that Claude Opus 5.5 and Claude Sonnet 5.5 are now available on Amazon Bedrock in the AWS GovCloud (US) Region. Users can pair them with Anthropic's agentic coding tool Claude Code, supporting compliance development workloads including ITAR (International Traffic in Arms Regulations). This is a first-hand report, describing a development in which AWS and Anthropic partnered to bring higher-performance Claude models into the US government cloud environment and integrate them with the coding tool Claude Code. Only this one report exists so far, with no further developments disclosed.
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- AWS Machine Learning BlogSupercharge regulated workloads with Claude Code and Amazon Bedrock
Claude Opus 5.5 and Claude Sonnet 5.5 are now available on Amazon Bedrock in the AWS GovCloud (US) Region, and can be used with Anthropic's agentic coding tool Claude Code to support regulated development workloads, including ITAR.