Retell AI is a developer-first platform for building production-grade conversational voice AI agents, supporting inbound and outbound phone call automation with an average latency of 600 milliseconds and HIPAA compliance for healthcare use cases. The platform supports more than 31 languages and is used by clients across healthcare, real estate, and insurance — industries that rely heavily on phone-based customer interaction and where voice automation can significantly reduce operational overhead. Retell AI serves SMB to enterprise customers and differentiates through its developer-first design combined with the low latency and compliance posture needed for sensitive, regulated voice automation use cases.
Retell AI
Developer-first platform for production-grade conversational voice agents.
Compliance
GDPR HIPAA SOC 2
Key Features
- Low-latency conversational voice AI: Achieves an average latency of 600 milliseconds, supporting natural-feeling phone conversations rather than the noticeable delay that can undermine voice agent usability.
- Inbound and outbound call automation: Supports both directions of phone call automation, covering use cases from customer service intake to outbound scheduling and follow-up calls.
- 31+ language support: Supports voice agent deployment across a broad range of languages, relevant for businesses serving multilingual or international customer bases.
- HIPAA compliance: Meets HIPAA requirements for handling protected health information in voice interactions, making it suitable for deployment in healthcare phone automation use cases.
- Developer-first platform: Designed around developer workflows for building, testing, and deploying voice agents, rather than a no-code interface targeted at non-technical users.
- Multi-model architecture: Uses multiple underlying language models to power its conversational capabilities, supporting flexibility in the underlying intelligence layer.
Use Cases
- For healthcare organizations automating patient phone interactions: A healthcare provider uses Retell AI to deploy HIPAA-compliant voice agents for appointment scheduling and patient inquiries, automating phone-based patient interaction without compromising compliance.
- For real estate and insurance companies automating customer calls: A real estate or insurance company handling high call volumes for inquiries and follow-ups uses Retell AI to automate routine phone interactions, freeing human staff for more complex customer needs.
Pricing MODELS
Usage-based
Pricing Summary
Retell AI uses usage-based pricing ranging from $0.07 to $0.15 per minute, with custom enterprise pricing for larger deployments. Pricing is publicly listed on their website.
Company Size Fit
Enterprise Mid-market SMB
Technical Snapshot
API Available
Yes
LLM Provider
Multi-model
Open Source
No
Deployment Options
Cloud Saas