LangSmith Deployment, previously known as LangGraph Platform, is now available in the AI Agents and Tools category of AWS Marketplace, allowing customers to leverage AWS accounts for streamlined discovery, purchasing, and deployment, thus enhancing the development of agentic workflows. LangSmith provides enterprise teams with capabilities for prompt engineering, evaluation, and observability, enabling structured prompt development, performance evaluation, and deep visibility into AI applications. Meanwhile, LangGraph Platform offers infrastructure for deploying and managing stateful, long-running agents with features like visual workflow development and centralized agent management. Through AWS Marketplace, teams can expedite procurement, maintaining control over licensing and compliance while ensuring data privacy by running the platforms within their AWS VPCs. LangChain, the open-source framework behind these offerings, supports building critical AI applications and is widely adopted by leading engineering teams globally.