AWS GovCloud (US) region introduced Claude Haiku 5.5, Anthropic’s most efficient model in the Claude 5.5 line, tailored for cost-sensitive, high-volume workloads like live support and in-app assistance. This model offers significant cost savings compared to previous versions while enabling tuning of resource use via effort controls.
Hosted through Amazon Bedrock, Claude Haiku 5.5 ensures all data remains within the GovCloud infrastructure, meeting regulatory and security requirements of public sector users. This capability enhances AI accessibility for governmental and regulated customers who need performant subagent AI models with tight compliance controls.
Source & further reading
Claude Haiku 5.5 is now available on AWS GovCloud (US) ↗Source published 2026-10-07. This report was prepared with AI assistance from the linked primary-source material. Claims and limitations should be checked against the original announcement or research.