Real fluency in modern AI systems: agent frameworks and orchestration, tool-calling and MCP, retrieval and grounding, evaluation and quality measurement, fine-tuning, and the practical trade-offs among cost, latency, and accuracy. Over 72,000 companies, including Bridgestone, New Balance, Nucor, S&P Global, and Sony Music, trust Freshworks' customer experience (CX) and employee experience (EX) software to fuel customer loyalty and service efficiency.