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Introducing Claude Sonnet 5.5 on AWS

This story is from 2026-09-28. It is preserved in the archive; the latest stories are on the live feed.

Claude Sonnet 5.5 is now available on Amazon Bedrock and Claude Platform on AWS. It's a smarter, more efficient Sonnet model for focused coding and knowledge work, with a lower cost per task at faster speed. This post covers what's new, when to choose Sonnet, and how to get started.

Read the full story at AWS Machine Learning Blog ↗

Timeline · 3 reports

  1. 2026-09-28 18:57 · AWS Machine Learning Blog
    Introducing Claude Sonnet 5.5 on AWS
  2. 2026-09-28 18:05 · r/GeminiAI
    Introducing Claude Sonnet 5.5, the second model in the Claude 5.5 family
  3. 2026-09-28 18:03 · r/ClaudeAI
    Introducing Claude Sonnet 5.5, the second model in the Claude 5.5 family

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