This documentation is a copy of the public Kiro documentation. For supplemental information that is specific to this region, such as feature and service availability, see the AWS Classified Regions User Guide. Published: October 14, 2026.

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Claude Opus 4.5 support

Added support for Claude Opus 4.5 - Anthropic's most intelligent model combining maximum capability with practical performance. Ideal for complex specialized tasks, professional software engineering, and advanced agents. Claude Opus 4.5 is available in both the Kiro IDE and Kiro CLI for Pro, Pro+, and Power tier subscribers.

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Claude Opus 4.5 support for AWS IAM Identity Center users