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Retell uses OpenAI models to help power 100M monthly calls
New
AI voice agents for customer service calls and conversations.
Overview
Retell AI builds voice agents powered by large language models to handle inbound and outbound customer service calls. It's designed for businesses needing scalable phone automation without building from scratch. The platform handles real conversations with natural speech understanding and generation.
Pros
- Handles 100M+ monthly calls at scale with reliability
- Natural conversation flow with advanced speech understanding
- Quick deployment without extensive AI expertise required
- Integrates with existing business systems via API
- Supports multiple languages and accent variations
✕ Cons
- Requires integration work for custom business logic
- Voice quality depends on underlying model performance
- Limited offline capability for voice processing
Key Features
Voice agent builder
Real-time speech recognition
Call recording and analytics
Multi-language support
CRM integrations
API access
Use Cases
Customer service teams automating inbound support callsSales teams making outbound prospecting and follow-up callsHealthcare providers handling appointment scheduling callsE-commerce businesses managing returns and inquiries
Best For
Customer Service TeamsContact CentersE-commerce BusinessesHealthcare ProvidersSaaS Companies
Frequently Asked Questions
What is Retell's pricing model?▾
Retell uses a usage-based pricing structure tied to call volume and duration. Exact pricing details are available on their website, and they offer custom enterprise plans for high-volume deployments handling millions of calls monthly.
How quickly can I deploy a voice agent?▾
Retell is designed for rapid deployment without requiring deep AI expertise. You can build and launch a voice agent through their builder interface in hours rather than weeks, with pre-built templates available for common use cases.
What integrations does Retell support?▾
Retell offers API-first architecture for custom integrations and includes pre-built connectors for major CRM systems. You can connect it to your existing business tools, databases, and communication platforms to enable seamless data flow.
What is Retell's main limitation?▾
Retell is optimized for customer service and transactional calls; complex negotiations or highly nuanced emotional conversations may require human oversight. Accuracy can also vary based on audio quality and accent diversity in the language being used.
What is the ideal use case for Retell?▾
Retell excels at automating high-volume customer service calls such as appointment reminders, billing inquiries, support tickets, and outbound surveys. It's best suited for businesses handling repetitive, straightforward conversations at scale.
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