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Retell AI

Rated 0 out of 5

Create lifelike AI voice agents, deploy anywhere, analyze real-time.

AI Categories: AI agents, customer support

Pricing Model:
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Updated 05/10/2024

What is Retell?

Retell is a cutting-edge platform designed to create, deploy, and manage AI voice agents with human-like interaction capabilities. This tool stands at the forefront of voice AI technology, enabling users to build voice agents that can perform complex tasks, follow detailed instructions, and integrate seamlessly anywhere. Retell is not just a tool; it's a gateway to revolutionizing how businesses and individuals interact with their audience through voice. Whether it's through phone calls, web calls, or any other medium, Retell ensures that the voice agents created are as engaging and lifelike as possible.

Key Features:

  • Advanced Voice AI: Build AI voice agents with capabilities to execute complex tasks and interact like humans.
  • Pre-built Templates: Utilize pre-designed templates for quick and efficient agent creation, catering to various use cases.
  • Stateful Multi-prompt Agent: Create agents that can handle multi-turn conversations, remembering context and responding appropriately.
  • Comprehensive Testing and Deployment: Test agents thoroughly with saved test cases and deploy them across multiple platforms including web apps and telephony systems like Twilio and Vonage.
  • Real-time Monitoring: Analyze post-call data, sentiment, task completion status, and latency in real-time.


  • Human-like Interaction: Offers engaging and lifelike voices with support for multiple languages, enhancing user experience.
  • Rapid Development: Enables the building and testing of complex workflows within minutes, significantly reducing development time.
  • High Scalability: Effortlessly scales call volume, making it suitable for businesses of any size.
  • Data Privacy and Security: Complies with HIPAA regulations, ensuring user data is handled securely.


  • Learning Curve: New users may require some time to fully grasp the extensive functionalities and best practices for creating effective voice agents.
  • Integration Limitations: While it supports major telephony systems, integration with other third-party platforms may be limited.
  • Early Stage: As a relatively new entrant, some features are in continuous development, which may affect early adopters seeking stability.

Who is Using Retell?

  • E-commerce Businesses: For providing customer service through voice interaction.
  • Healthcare Providers: To schedule appointments and handle inquiries via automated voice agents.
  • Tech Companies: Utilizing AI voice agents for user support and engagement.
  • Marketing Agencies: To create unique voice-based campaigns.
  • Uncommon Use Cases: Educational institutions using voice agents for interactive learning; Event organizers for managing RSVPs and inquiries.


Disclaimer: For the most accurate and current pricing details, refer to the official Retell website.

What Makes Retell Unique?

Retell distinguishes itself with its proprietary Turn-Taking model and the ability to support conversational back-channeling, providing near real-time interaction with an impressive 800ms latency. This technology not only enables more natural and fluid conversations with AI but also allows users to interrupt, making it one of the most human-like voice AI platforms available.

Compatibilities and Integrations:

  • Telephony Integration: Seamless integration with Twilio, Vonage, and SIP for broad telephony deployment.
  • Multilingual Support: Offers support for over 7 languages, making it versatile for global applications.
  • HIPAA Compliance: Ensures secure handling of sensitive healthcare information.
  • API Access: Enables custom development and integration into existing systems.

Retell Tutorials:

Explore comprehensive tutorials on the Retell documentation page, covering everything from basic setup to advanced agent customization and deployment strategies.

How We Rated It:

  • Accuracy and Reliability: 4.8/5
  • Ease of Use: 4.5/5
  • Functionality and Features: 4.7/5
  • Performance and Speed: 4.9/5
  • Customization and Flexibility: 4.6/5
  • Data Privacy and Security: 4.8/5
  • Support and Resources: 4.5/5
  • Cost-Efficiency: 4.4/5
  • Integration Capabilities: 4.3/5
  • Overall Score: 4.6/5


Retell is a game-changer in the realm of voice AI, offering unparalleled human-like interactions through its advanced voice agents. Its unique features, including the proprietary Turn-Taking model and near real-time interaction capabilities, set it apart in the industry. With its flexibility, scalability, and compliance with privacy standards, Retell is an essential tool for businesses looking to enhance their user interaction through voice technology. Whether for customer service, scheduling, or interactive marketing campaigns, Retell provides a powerful platform to build, test, deploy, and monitor AI voice agents at scale.

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