LangGraph Platform, now known as LangSmith Deployment, is a newly launched infrastructure designed to simplify the deployment and scaling of stateful agents, enabling nearly 400 companies to go live quickly. It offers features like 1-click deployment, 30 API endpoints, horizontal scaling, and a dedicated IDE for debugging, all aimed at enhancing agent management and development workflows. The platform supports various deployment options to meet different organizational needs, making it easier for teams to centralize and manage their agents effectively.