AWS shows how to build multi-tenant AI agents safely

What happened

AWS published a blog post demonstrating how to build multi-tenant AI applications using Amazon Bedrock AgentCore, with a healthcare example that implements two service tiers—Basic (using Mistral Ministral 3 8B Instruct for small clinics) and Premium (using OpenAI GPT OSS 120B with web search for hospitals and specialty centers).

Why it matters

Multi-tenant AI systems face real operational risks: customer data exposure, inconsistent service quality across pricing tiers, and hidden cost overruns. This post addresses those challenges by showing how to enforce complete tenant isolation through document scoping, memory separation, model access control, and granular cost attribution—all without building custom isolation infrastructure.

What to watch

The solution uses a pool model where tenants share underlying compute resources (rather than dedicated silos), maximizing efficiency while maintaining logical isolation through scoped identifiers, access policies, and data partitioning. Sample code is available on GitHub at https://github.com/aws-samples/sample-agentcore-and-multitenancy-blog.