Model Releases
Introducing Claude Sonnet 5.5 on AWS
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
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.
Related
- Claude Opus 5.5 is now available on AWS
- Introducing Claude Sonnet 5 on AWS: Anthropic’s most capable Sonnet model
- Introducing Claude Fable 5.1 on AWS
Source: AWS ML Blog | 2026-09-28