Opus 4.8, Sonnet 5, and User Activity Monitoring now available on Kiro in AWS GovCloud (US)

New Models Available in AWS GovCloud (US)

Two new models are now available in the Kiro IDE and CLI for the AWS GovCloud (US) Regions.

New Models

• Claude Opus 4.8: The most intelligent Opus model, delivering stronger self-verification, more efficient tool calling, and better follow-through on long-horizon projects. Available with a 1M context window and 2.2x credit multiplier.
• Claude Sonnet 5: The most agentic Sonnet model, bringing stronger reasoning, tool use, and coding at Sonnet-class pricing. Available with experimental support, a 1M context window, and 1.3x credit multiplier.

Monitoring and Tracking

Kiro enterprise administrators now have full visibility into organizational usage through built-in monitoring and tracking. Features include:

• A usage dashboard providing aggregate metrics at a glance.
• Per-user activity reports delivering daily CSV telemetry to your S3 bucket for license optimization and audit.
• Optional prompt logging capturing user prompts and Kiro responses for compliance and debugging.

What to do

• Ensure your IDE or CLI is updated to the latest version.
• Restart your IDE or CLI to access the new models from the model selector.
• For more details, visit the GovCloud documentation, the monitoring and tracking guide, or contact your AWS account team.
• To learn more about Kiro, visit the Kiro product page.

Source: AWS release notes

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