# AWS says GPT-5.6 Terra and Luna reach Bedrock GovCloud

_Monday, August 24, 2026 at 9:00 AM EDT · AI · Latest · Tier 2 — Notable_

AWS says OpenAI's GPT-5.6 Terra and Luna are now generally available through Amazon Bedrock in AWS GovCloud West and East. AWS describes Terra as the balanced model and Luna as a faster, lower-cost option. The company says both support one-million-token context windows on Bedrock and prompt caching with explicit cache breakpoints. AWS lists autonomous coding agents, long-horizon biology and genomics analysis, and cybersecurity research among potential workloads for the models.

## Sources

- [AWS](https://aws.amazon.com/about-aws/whats-new/2026/08/openai-gpt-terra-luna-govcloud/)

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Retrieved: 2026-08-25T04:15:58.781Z
Publisher: Tech & Business (techandbusiness.org)