CUI Safe AI

OpenAI via AWS · Model API

Is OpenAI models in Amazon Bedrock (AWS GovCloud) FedRAMP authorized? Can I use it with CUI?

Can I use it with CUI?

Yes, with conditions

AWS lists GPT 5.4, GPT 5.6 Terra and Luna, and the open-weight GPT OSS models as approved in GovCloud for FedRAMP High and DoD IL4/IL5. Newer GPT 6 models are only listed for US East/West (Moderate) so far.

Checked Oct 17, 2026

The facts

FedRAMP status
Authorizedsource: aws.amazon.com
FedRAMP level
Highsource: aws.amazon.com
Marketplace detail
AWS lists GPT 5.4, GPT 5.6 (Terra and Luna) and GPT OSS 20B/120B in the GovCloud Class D columnsource: aws.amazon.com
DoD Impact Level
IL4/IL5 for listed modelssource: aws.amazon.com
GSA OneGov deal
No (not on the GSA lists we checked)
FedRAMP Marketplace package
F1603047866source: aws.amazon.com

Notes

Model-by-model: confirm the exact model on AWS's page before you rely on it.

Not legal advice. A CUI answer here describes what public authorization records say, not whether your specific contract, data or configuration is compliant. Confirm with your contracting officer, assessor or counsel.

Questions that cover OpenAI models in Amazon Bedrock (AWS GovCloud)