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Retell AI

Create lifelike AI voice agents, deploy anywhere, analyse real-time.

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What is Retell AI?

Retell AI is a platform for building and deploying AI voice agents that sound natural in conversation. Rather than text-based chatbots, these are voice-first systems designed to handle phone calls, voice interactions, and spoken conversations. You can create agents for customer service, sales, appointment scheduling, or other voice-based tasks, then deploy them across different channels. The platform includes real-time analytics so you can monitor how your agents are performing, review call transcripts, and refine their behaviour based on actual interactions. It's aimed at businesses that want to automate voice communication without sounding robotic or limiting conversations to rigid scripts.

Key features

Voice agent builder

Create AI agents trained to handle specific conversation flows and business tasks

Multi-channel deployment

Route agents to phone systems, websites, messaging platforms, or custom integrations

Real-time analytics

Monitor active calls, view transcripts, track performance metrics, and analyse conversation quality

Natural language conversation

Agents understand context and handle follow-up questions rather than following preset scripts

API access

Integrate voice agents into existing systems and workflows programmatically

Pros & cons

Advantages

  • No coding required to build basic agents; drag-and-drop or form-based creation
  • Real-time monitoring lets you see how agents are performing while they're active
  • Free tier available so you can test without upfront cost
  • Works across multiple channels, reducing need to build separate systems for phone, web, etc.

Limitations

  • Voice AI quality depends on training and setup; poorly configured agents may still sound unnatural or give wrong answers
  • Limited details available on free tier capabilities; you may hit restrictions on call volume or features

Use cases

Customer service: Automate initial support requests and route complex issues to human agents

Appointment scheduling: Handle booking calls automatically, check availability, and send confirmations

Sales outreach: Make follow-up calls to leads or existing customers

Order status inquiries: Let customers check delivery or order status by phone

Inbound call triage: Answer and route calls before they reach human staff

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Pricing

Free

Free

Basic voice agent creation and deployment; limited call volume; access to core analytics

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Get Retell AI
  • Always free
  • No credit card