Retell AI

Retell AI offers a 3rd generation AI voice platform powered by LLMs, designed to automate calls at scale without sacrificing quality. Unlike traditional IVR systems that rely on pre-defined menus, Retell AI provides natural, human-like conversations. Its architecture supports complex, multi-turn, and outbound use cases. The platform features a drag-and-drop agentic framework for designing conversational call flows, built-in guardrails, and real-time function calling to enable agents to book appointments, process payments, and update records. Streaming RAG ensures accurate, real-time answers by syncing with website content. Retell AI provides tools for comprehensive agent testing, continuous QA, and performance analytics, allowing businesses to streamline operations, enhance customer service, and scale effortlessly.