Retell 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
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
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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
Temporal
Build invincible applications with durable workflow execution and automated failure handling
Inngest
Serverless function orchestration with automatic durability and flow control
Imprompt Server
Connect chat and voice interfaces to your APIs with intelligent LLM routing and monitoring
Vapi
Build and deploy voice AI agents with ultra-low latency and natural interactions