Business Impact - Prosper Marketplace cut costs in its verification use case by over 90% using Langraph [9] - The cost per verification decreased from tens of dollars to cents [9] - The company moved from reviewing a sample of calls monthly to reviewing 100% of calls within minutes [10] Technological Implementation - Prosper Marketplace uses Langraph to automate QA verification process for customer calls [2] - The company needed a solution with complete ownership and control over data and deployment due to strict data compliance requirements [5] - Langraph's checkpoint system and interrupts simplified development, enabling focused optimizations and human-in-the-loop workflows [6][7] - Langraph allows quick adaptation and reuse of agents across different use cases, saving engineering time [10] Langraph Advantages - Langraph's checkpoint system makes development easier by allowing focused optimizations [6] - Interrupts facilitate building collaborative co-pilot style agents with natural language feedback [7][8] - Langchain team provides templates and examples to quickly get started with complex agents [11]