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Amazon Bedrock brings OpenAI models and AI APIs to AWS GovCloud

Amazon Bedrock now supports OpenAI GPT-5.6 models with Cross-Region Inferencing and new APIs in AWS GovCloud (US).

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Summary

Amazon Bedrock added support for OpenAI GPT-5.6 models on the bedrock-runtime endpoint in AWS GovCloud (US). The update brings the Responses, Converse, and Chat Completions APIs along with Cross-Region Inference to route requests across regions. These invocations work with existing logging, CloudWatch metrics, and cost tracking tools.

What changed

  • Added OpenAI GPT-5.6 models (Terra and Luna) on the bedrock-runtime endpoint in AWS GovCloud (US).
  • Introduced support for Responses, Converse, and Chat Completions APIs.
  • Added Cross-Region Inference for OpenAI models within AWS GovCloud (US) regions.

Availability

Available now

“Cross-Region Inference for OpenAI models is available in all AWS Regions where OpenAI models on Amazon Bedrock are offered.”

Founder takeaway

If you operate in AWS GovCloud, you can now use OpenAI GPT-5.6 models through bedrock-runtime with cross-region routing and standard monitoring tools.

Source

AWSAmazon Bedrock expands API support and introduces Cross-Region Inferencing for OpenAI models in AWS GovCloud (US) - AWS

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