AWS says Australian teams can access OpenAI GPT-5.6 Sol, Terra, and Luna through Amazon Bedrock from the Sydney and Melbourne Regions using global cross-Region inference. Its guidance also covers prompt caching, OIDC-based Codex authentication, and CloudWatch monitoring, connecting model access to the controls needed for production.

AgentCore Gateway supports OAuth 2.0, IAM, and API keys, yet enterprises may still depend on HTTP Basic Authentication. AWS describes a request Lambda interceptor as an extension point for custom and legacy tool authentication.