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AWS Weekly Roundup: GPT-6 Sol and Luna, Claude Opus 5.5 on Amazon Bedrock, Strands harness, and more (September 28, 2026)

AWS News Blog

This article summarizes AWS announcements from the week of September 28, 2026, focusing on new AI models and observability tools for agentic workloads.

  • GPT-6 Sol and Luna from OpenAI available on Amazon Bedrock with lower pricing and efficiency-focused design
  • Claude Opus 5.5 from Anthropic optimized for agentic coding and long-running tasks with fewer tokens
  • Amazon CloudWatch Omni enables collaborative AI-powered observability with OpenTelemetry integration and AWS DevOps Agent
  • Enhanced Amazon EventBridge custom event buses support enterprise-scale event-driven applications with centralized routing
  • SageMaker HyperPod Inference Gateway reduces first-token latency by up to 82% with GPU-aware routing
  • AI agent skills for Amazon SES enable plain-language message building and sending workflows
  • Strands harness released as open-source agent framework with 28% cost reduction

AWS emphasizes matching models to specific tasks rather than always using the largest model, with improved observability and infrastructure for AI agents.

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