Amazon Bedrock expands API support and Cross-Region Inference for OpenAI models in AWS GovCloud (US)
Bedrock now serves OpenAI GPT-5.6 models in GovCloud through the Responses, Converse, and Chat Completions APIs, with Cross-Region Inference across both GovCloud Regions.
What the article says
On October 30, 2026, AWS announced that OpenAI's GPT-5.6 models, Terra and Luna, are now available on the Amazon Bedrock bedrock-runtime endpoint in AWS GovCloud (US). The launch adds support for the Responses, Converse and Chat Completions APIs, plus Cross-Region Inference within GovCloud (US), which routes requests across both GovCloud (US) Regions.
AWS says this gives higher throughput and more redundancy without customers managing capacity across Regions, while maintaining U.S. data sovereignty. Usage appears in Bedrock model invocation logging (S3 or CloudWatch Logs), CloudWatch metrics and Cost Explorer, and existing account-level controls apply. The article does not name the specific Regions or give pricing.
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