Retell AI is a voice AI platform designed to help businesses build and deploy human-like AI voice agents for phone-based interactions. The product focuses on real-time conversations, enabling AI agents to answer calls, respond naturally, and handle common customer interactions with low latency. Retell AI provides tools to design agent behavior, test conversations, and deploy voice agents into production environments. The platform is built with developers in mind
How Retell AI Works:
Retell AI allows users to define conversational logic and prompts for voice agents through a dashboard and APIs. Incoming or outgoing phone calls are routed to AI agents that listen, process speech in real time, and respond using natural-sounding voices.
Key Use Cases:
Natural, human‑like call conversations.
Handles caller interruptions gracefully.
Low latency for real‑time calls.
Multilingual support across many languages.
Powerful API for custom workflows.
Setup feels complex for non‑developers.
Noticeable learning curve for small teams.
Some users report confusing billing.
Fewer native integrations than competitors.
*Price last updated on Feb 5, 2026. Visit retellai.com's pricing page for the latest pricing.
