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Retell AI logoRetell AI

Build and deploy production-ready AI voice agents with human-like conversation capabilities

Retell AI is an enterprise-grade platform for building and deploying conversational voice AI agents at scale. The platform offers comprehensive tools for creating, testing, and monitoring voice agents with human-like conversation capabilities and ultra-low latency of 600ms.

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Details

Free + Paid
Closed Source
Retell AI Agent's User Interface

Overview

Retell AI provides a robust platform for building, testing, deploying, and monitoring production-ready voice AI agents. The platform combines advanced language models with state-of-the-art voice technology to enable natural, human-like conversations with just 600ms latency.

Key Features

  • Comprehensive Builder Platform

    • Stateful multi-prompt agent creation
    • Pre-built templates and workflows
    • Custom LLM integration support
    • Tool calls and function integration
  • Enterprise-Grade Voice Technology

    • Natural back-channeling and smooth turn-taking
    • Multi-lingual support with global phone coverage
    • Scalable concurrent calling capabilities
    • Ultra-low latency (600ms)

Deployment & Integration

  • Multiple deployment options:
    • Web applications
    • Mobile platforms
    • Telephony systems (Twilio, Vonage, SIP)
  • Native integration capabilities
  • Preset functions including:
    • Calendar booking (Cal.com)
    • Call transfer
    • Voicemail detection

Security & Compliance

  • SOC 2 Type 1 certified
  • HIPAA compliant
  • GDPR compliant

Use Cases

  • Reception and appointment setting
  • Lead qualification
  • Customer service
  • Surveys
  • Debt collection

Monitoring & Analytics

  • Comprehensive post-call analysis
  • Sentiment tracking
  • Task completion monitoring
  • Performance metrics and latency tracking
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