LangGraph is a controllable agent framework designed for production use, addressing the challenges of putting AI agents into production by providing reliability, observability, and control. Companies like Uber, LinkedIn, and Replit are leveraging LangGraph to build scalable agent systems that streamline operations and improve efficiency. The framework's low-level customization options, high reliability features, and optimized observability capabilities make it an attractive choice for developers looking to deploy production-ready AI agents. By building on the lessons learned from leading companies, LangGraph aims to drive the next wave of AI agent adoption in 2025.