Claude Opus 5.5, Anthropic's Most Capable Model, Now Available on AWS
Anthropic's Claude Opus 5.5, the first in its 5.5 model family, is now generally available on Amazon Web Services. This advanced model is designed for enterprise-grade coding and knowledge work, offering greater efficiency and lower per-token costs compared to its predecessor, Claude Opus 5. It excels at complex, long-running tasks, providing clear progress reports and adaptive thinking. Customers can access Claude Opus 5.5 through either Amazon Bedrock or directly via the Claude Platform on AWS, each offering distinct benefits.
- →Anthropic Claude Opus 5.5 Now Available
- →Access via Amazon Bedrock
- →Access via Claude Platform on AWS
Features (1) ›
- Anthropic Claude Opus 5.5 Now Available
AWS has launched Claude Opus 5.5, Anthropic’s most capable and efficient large language model to date. This model is designed for enterprise-level coding and knowledge tasks, completing them with fewer tokens and at a lower price per token than Claude Opus 5. It features adaptive thinking to determine task effort and provides detailed reports on progress.
Notes (2) ›
- Access via Amazon Bedrock
Customers can access Claude Opus 5.5's advanced capabilities through Amazon Bedrock, which includes zero data retention (ZDR) support by default. Bedrock ensures data residency within AWS infrastructure and offers integrated AWS-managed features like Guardrails and Knowledge Bases.
- Access via Claude Platform on AWS
Alternatively, users can gain direct access to Anthropic's native platform experience and capabilities via the AWS Console. This option provides the same APIs, features, and console experience as working directly with Anthropic, unified with AWS billing and authentication.
https://aws.amazon.com/about-aws/whats-new/2026/09/claude-opus-5-5-aws/
Related releases
- Anthropic Claude Opus 5.5 Now Available on AWS GovCloud (US) AWS What's New ·
- Transforming AWS Bedrock Guardrails Events to OCSF with CloudWatch AWS Security Blog ·
- Moonshot AI's Kimi K3 Model Now Generally Available on Amazon Bedrock AWS What's New ·
- AWS launches next-gen AgentCore Runtime for Amazon Bedrock with improved performance AWS What's New ·
- Amazon Bedrock offers Gemma 4 open-weight models in European Sovereign Cloud AWS Security Blog ·
- AWS Bedrock Now Supports Open Weight Models in European Sovereign Cloud AWS Security Blog ·