Summary

In mid-August 2026, LangChain announced general availability of LangSmith Bring Your Own Cloud (BYOC) on AWS, letting enterprise teams keep agent traces and runtime data inside their own AWS VPC while LangChain manages provisioning, upgrades, scaling, and support. It gives observability, evaluation, and deployment for AI applications the data-sovereignty posture regulated organizations require.

What changed

LangChain shipped GA of LangSmith BYOC on AWS, deploying LangSmith inside a customer's own VPC as a managed service.

Why it matters

Agent traces and runtime data are sensitive, and many enterprises cannot send them to a vendor's cloud. BYOC on AWS removes that blocker for LangSmith adoption and reflects a broader pattern of agent-observability and control planes moving inside the customer security boundary.

Evidence excerpt

LangSmith is now available as a bring your own cloud deployment on AWS. Keep agent traces and runtime data inside your AWS boundary, while LangChain manages provisioning, upgrades, scaling, and support.

Sources