AWS Weekly Roundup: Anthropic & Meta partnership, AWS Lambda S3 Files, Amazon Bedrock AgentCore CLI, and more (April 27, 2026)

This article summarizes AWS announcements for the week of April 27, 2026, highlighting major partnerships and product launches in AI and cloud infrastructure.

• Anthropic training Claude models on AWS Trainium and Graviton chips for efficiency
• Claude Cowork now available in Amazon Bedrock for enterprise team collaboration
• Meta deploying tens of millions of Graviton cores for agentic AI workloads
• AWS Lambda now supports mounting S3 buckets as file systems via S3 Files
• Amazon EKS Hybrid Nodes gateway simplifies hybrid Kubernetes networking
• Aurora Serverless delivers 30% performance improvement with smarter scaling
• Bedrock AgentCore adds managed harness, CLI, and coding assistant skills
• Granular cost attribution now available for Amazon Bedrock tracking
• AWS microcredentials now free through AWS Skill Builder globally
• Multiple AWS Summits and Community Days scheduled worldwide in May-June

Key focus areas include deepening AI partnerships, improving serverless database performance, and expanding agent development capabilities across AWS services.