Retell AI: AI Voice Agent Platform for Phone Call Automation
Retell AI helps support and sales teams automate inbound and outbound calls. It is designed for businesses that need to handle call volumes with natural-sounding voice interactions.
At a glance
- Category
- Operations
- Best for
- Enterprise support teams, Mid-market sales organizations, Call centers, Healthcare administrative teams
- Pricing
- Pricing is usage-based, ranging from $0.07 to $0.31 per minute for voice agents. New users receive $10 in free credits, and additional concurrency is available at $8 per month per slot.
- Key use cases
- AI Receptionist, Appointment Setting, Lead Qualification, Customer Support Automation, Dispatch Services
- Integrations
- Twilio, Vonage, HubSpot, Go High Level, n8n
- Official website
- retellai.com
Retell AI is an LLM-based conversational AI platform designed to build and manage AI voice agents for phone automation. The system is designed to reduce response delays to support more natural conversations for both inbound and outbound call flows.
The tool is designed for teams in sectors such as healthcare, finance, and logistics to automate tasks like appointment setting or lead qualification. It includes a framework for designing call flows and supports connection to existing telephony systems via SIP trunking.
Buyers should confirm the usage-based pricing model and verify if the function-calling capabilities align with their specific CRM or booking software requirements.
Key Features
Supports voice interactions with approximately 600ms latency to help conversations feel more fluent.
A visual interface for designing conversational call flows and setting agent behaviors.
Allows agents to execute tasks during a call, such as booking appointments or processing payments.
Syncs with website content to help agents provide updated information for caller queries.
Allows users to test agent behavior and accuracy across various scenarios before deploying to production.
Provides call transcripts and analytics to identify failure patterns and performance insights.
Includes HIPAA, SOC2 Type II, and GDPR compliance, along with PII redaction and SSO.
Use Cases
Handling inbound calls, answering common questions, and routing callers to the right department.
Using function calling to schedule and confirm appointments during a voice call.
Automating initial outbound or inbound screens to qualify potential customers.
Resolving routine support queries through an AI-powered IVR system.
Automating call coordination for logistics and home service providers.
Best For
Integrations
Pricing
Pricing is usage-based, ranging from $0.07 to $0.31 per minute for voice agents. New users receive $10 in free credits, and additional concurrency is available at $8 per month per slot.
FAQ
Retell AI uses a pay-as-you-go model where calls are tracked to the nearest second. Users are charged for the entire duration the AI agent is active, including periods of silence.
Yes, it supports integration with existing telephony systems through SIP trunking, which allows businesses to use their own phone numbers.
The platform is HIPAA compliant and offers BAA agreements, which is designed to support the security needs of healthcare organizations.
Source category: Operations
Source subcategory: Voice AI
