Retell AI is free with a paid plan available. Visit the Retell AI website for the latest pricing details.

What can I use Retell AI for?

Retell AI is an AI-powered tool categorized under AI Agents, Developer Tools, Voice. Build voice AI agents for phone calls

What are the best Retell AI alternatives?

You can find the best Retell AI alternatives on Nextool.ai. We curate similar tools across the same categories so you can compare features and pricing. Visit https://nextool.ai/alternatives/retell-ai/ for the full list.

How does Retell AI compare to other AI Agents, Developer Tools, Voice tools?

Retell AI is listed among the top AI Agents, Developer Tools, Voice AI tools on Nextool.ai. You can browse and compare it with similar tools in the same category to find the best fit for your needs.

Retell AI

Build voice AI agents for phone calls

FreemiumFree plan available

AI Agents Developer Tools Voice

AI voice agent platformLow-latency phone AICustom voice persona creationInbound and outbound calls+2 more

Try Retell AI Share on X Alternatives

Visit Retell AI

Pricing

Freemium

Free plan available

Features

6 listed

Key capabilities

Use Cases

4 listed

Identified use cases

Access

Web App

Browser-based

Listed on Nextool since Feb 2026

About Retell AI

"Build AI phone agents in hours, not months"

Retell AI is a platform for building production-ready voice AI agents for business phone calls. Features advanced turn-taking, interruption handling, emotion detection, and CRM integrations. Create AI agents that handle complex, multi-turn conversations naturally at enterprise scale.