Claude Sonnet 5 is now available on Amazon Bedrock in AWS GovCloud (US)

AWS GovCloud (US) Release Notes

AWS GovCloud (US) now offers Claude Sonnet 5 on Amazon Bedrock. This model excels in coding, professional work, and agentic tasks, balancing capability, cost, and speed.

New Features

• For coding: Navigates large codebases, lands multi-file changes, and completes debugging and refactoring tasks with fewer corrections.
• For agents: Calls tools precisely, holds state across many steps, and recovers from errors to finish tasks correctly the first time.
• For knowledge work: Builds spreadsheets, drafts documents, and structures unstructured material.

Availability

• Endpoints: Available on bedrock-runtime endpoints in AWS GovCloud (US-West and US-East) and bedrock-mantle endpoints in AWS GovCloud (US-West).
• Inference Engine: Bedrock Mantle, Amazon Bedrock's next-generation inference engine, supports the Anthropic Messages API.

What to do

• Explore the new capabilities of Claude Sonnet 5 on Amazon Bedrock.
• Utilize the bedrock-runtime and bedrock-mantle endpoints for inference.
• Leverage AWS-managed features like Guardrails, Knowledge Bases, and regional data residency.

Source: AWS release notes

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