CUI Safe AI

xAI via AWS · Model API

Is Grok 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 Grok 4.3 and Grok 4.6 as approved in Bedrock GovCloud for FedRAMP High and DoD IL4/IL5.

Checked Oct 17, 2026

The facts

FedRAMP status
Authorizedsource: aws.amazon.com
FedRAMP level
Highsource: aws.amazon.com
Marketplace detail
AWS lists Grok 4.3 and Grok 4.6 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

This is separate from xAI's own Grok for Government SaaS, which is still in process.

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 Grok models in Amazon Bedrock (AWS GovCloud)