# Retell AI

> Retell AI is a Palo Alto voice-AI platform that lets developers build low-latency phone agents that answer, route and resolve calls. Founded in 2023 by ex-ByteDance, Meta and Google engineers and accepted into Y Combinator's W24 batch, it reached roughly $60M in annual recurring revenue on about $5M raised - selling by the minute rather than by the seat, and competing with Microsoft, Salesforce Agentforce and Cresta for the world's phone lines.

## Achievements

- Reached roughly $60M annual recurring revenue by April 2026, up about 650% year over year.
- Grew to a ~$60M run rate on only about $5M in total funding - unusually capital-efficient for AI infrastructure.
- Built voice agents with ~600-800ms response latency capable of handling interruptions and turn-taking.
- Accepted into Y Combinator W24 after an initial rejection.
- Serves regulated verticals including healthcare, financial services, insurance and debt collection, plus BPOs like Everise.

## Latest updates

- **2026-04** — Reported approximately $60M ARR, up about 650% year over year.
- **2025-12** — Estimated around $45M ARR with a roughly 41-person team.

## Links

- Website: https://www.retellai.com/
- LinkedIn: https://www.linkedin.com/company/retell-ai/
- Twitter/X: https://twitter.com/retellai

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Profile page: https://yespress.io/retell-ai-60m-business-5-cents-a-minute
Published by YesPress — https://yespress.io
Last updated: 2026-08-07