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AWS Weekly Roundup: Claude Mythos Preview in Amazon Bedrock, AWS Agent Registry, and more (April 13, 2026)

AWS News Blog

This article summarizes AWS announcements for the week of April 13, 2026, focusing on AI, cost management, and infrastructure innovations.

  • Amazon Bedrock now offers Claude Mythos Preview for cybersecurity and complex reasoning tasks
  • AWS Agent Registry launched for centralized AI agent discovery and governance
  • Amazon Bedrock adds IAM user and role cost allocation for better spending visibility
  • Amazon S3 Files transforms S3 buckets into accessible file systems with EFS technology
  • Amazon OpenSearch Service now supports Managed Prometheus and AI agent tracing
  • Amazon WorkSpaces Advisor provides AI-powered troubleshooting for administrators
  • Amazon Braket adds Rigetti's 108-qubit Cepheus quantum processor
  • What's Next with AWS event scheduled for April 28 featuring agentic AI discussion

Key focus: Enhanced cost visibility for AI workloads and expanded agent management capabilities across AWS services.

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