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Retell AI

Platform for building and deploying human-like AI voice agents for customer service, sales, and appointment scheduling at scale

Pay-as-you-go from $0.07/min; Enterprise plans available

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Overview

Retell AI is a voice agent platform focused on reliability and conversation quality for production deployments. Unlike generic voice infrastructure, Retell provides tested agent templates for common use cases (inbound support, outbound sales, appointment reminders) and handles interruption detection, turn-taking, and latency optimization out of the box.

Key Features

  • Pre-built agent templates for customer service, sales, and scheduling
  • Low-latency voice with natural turn-taking and interruption handling
  • Inbound and outbound phone number management
  • Function calling for real-time actions during conversations
  • Call analytics with sentiment and topic analysis
  • Multi-language support across major languages
  • A/B testing and performance dashboard

Pricing: Pay-as-you-go from $0.07/min; Enterprise plans for guaranteed SLAs.

Pros

  • Production-ready templates reduce time to deployment
  • Excellent turn-taking and interruption handling for natural conversations
  • Built-in analytics for monitoring agent performance
  • Reliable at scale with enterprise SLA options

Cons

  • More expensive per minute than base Vapi
  • Customization requires technical knowledge beyond templates
  • Primarily US-focused for phone number availability

Tags

voice-agentscustomer-servicesalesphone-automationtelephonyconversational-ai

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