According to DeepLearning.AI (@DeepLearningAI), a new course on semantic caching for AI agents is now available, taught by Tyler Hutcherson (@tchutch94) and Iliya Zhechev (@ilzhechev) from RedisInc. The course addresses the common inefficiency of AI agents making redundant API calls for semantically similar queries. Semantic caching enables AI systems to identify and reuse responses for questions with the same meaning, not just identical text, thereby reducing operational costs and significantly improving response times. Participants will learn how to build a semantic cache, measure its effectiveness using hit rate, precision, and latency, and enhance cache accuracy with advanced techniques such as cross-encoders, LLM validation, and fuzzy matching. The curriculum emphasizes practical integration of semantic caching into AI agents, offering a clear business case for organizations aiming to optimize AI workloads and lower infrastructure expenses. This course highlights the growing importance of scalable, cost-effective AI deployment strategies for enterprise adoption (source: DeepLearning.AI, Twitter, Nov 19, 2025).