Retell AI logo

Retell AI

Retell AI is a platform designed for building, testing, deploying, and monitoring AI-powered phone agents [1](https://docs.retellai.com/general/introduction)[2](https://hamming.ai/partners/retell)[4](https://www.retellai.com/). It automates

Agents & automation· 4.5·0 saves·Paid

Quick facts

Best for
Retell AI is a platform designed for building, testing, deploying, and monitoring AI-powered phone agents [1](https://docs.retellai.com/general/introduction)[2](https://hamming.ai/partners/retell)[4](https://www.retellai.com/). It automates
Pricing
Paid
Editor rating
4.5 / 5
Community saves
0

About Retell AI

Retell AI is a platform designed for building, testing, deploying, and monitoring AI-powered phone agents [1](https://docs.retellai.com/general/introduction)[2](https://hamming.ai/partners/retell)[4](https://www.retellai.com/). It automates phone calls, chats, and texts to streamline call operations, enabling businesses to scale while maintaining quality [13](https://www.retellai.com/blog/inside-retell-ai-conversational-ai-phone-system). **Core Purpose:** Retell AI offers a solution for creating and managing AI voice agents capable of human-like interactions [12](https://www.retellai.com/blog/how-to-integrate-phone-ai-agents-with-your-existing-api-systems). These agents handle tasks such as answering customer inquiries, booking appointments, and processing orders [11](https://aitools.inc/tools/retell), and can be integrated into web, mobile, and telephony applications [11](https://aitools.inc/tools/retell). **Key Features and Capabilities:** * **Build:** Setting up conversation flows or single/multi-prompt agents, customizing synthesized speech, integrating telephony features, and providing context to agents. Language selection is also available [1](https://docs.retellai.com/general/introduction). * **Test:** LLM playground for refinement, LLM simulation testing, and audio testing [1](https://docs.retellai.com/general/introduction). Partner Hamming AI offers automated testing and continuous monitoring [2](https://hamming.ai/partners/retell). * **Deploy:** Purchasing phone numbers or connecting to telephony providers via SIP [1](https://docs.retellai.com/general/introduction). Features include SMS, agent versioning, batch calls, and web call connections [1](https://docs.retellai.com/general/introduction]. Focus on call concurrency management [1](https://docs.retellai.com/general/introduction). * **Monitor:** Dashboard for call history, webhook registration for real-time events, and post-call analysis [1](https://docs.retellai.com/general/introduction)[3](https://www.retellai.com/integrations). **Use Cases and Applications:** Retell AI is used across various sectors: * **Healthcare:** Lead qualification, appointment scheduling [3](https://www.retellai.com/integrations). * **Financial Services:** Customer support [3](https://www.retellai.com/integrations). * **Insurance:** Receptionist automation [3](https://www.retellai.com/integrations). * **Home Services:** Dispatch services [3](https://www.retellai.com/integrations). * **Other Industries:** Retail, consumer goods, travel, hospitality, and debt collection [3](https://www.retellai.com/integrations). Examples include Spare (handling 6x more calls), Respaid (82% reduction in support calls) [2](https://hamming.ai/partners/retell), AccioJob (70% reduction in false-positive assessments) [3](https://www.retellai.com/integrations), and GiftHealth (4x increase in efficiency) [3](https://www.retellai.com/integrations). **Unique Selling Points:** * **Comprehensive functionality:** Offers a full suite of tools for building to monitoring [10](https://www.retellai.com/comparison/retell-vs-play-ai). * **Customization and flexibility:** Supports multiple LLMs and languages [10](https://www.retellai.com/comparison/retell-vs-play-ai). * **Scalability and reliability:** Designed for high uptime and large-scale operations [10](https://www.retellai.com/comparison/retell-vs-play-ai). * **Strong integrations:** Integrates with telephony providers and other systems [10](https://www.retellai.com/comparison/retell-vs-play-ai). **Integrations:** Retell AI integrates with OpenAI, Twilio, Vonage, n8n, Go High Level, Cal.com, and others [3](https://www.retellai.com/integrations), including CRMs, telephony systems, automation platforms, and customer service platforms [3](https://www.retellai.com/integrations). **Achievements and Recognition:** Retell AI participated in Y Combinator and is present on Product Hunt [2](https://hamming.ai/partners/retell)[3](https://www.retellai.com/integrations)[4](https://www.retellai.com/).

Pros

  • Can execute complex tasks
  • Can follow instructions
  • Integrates with any LLMs
  • Build, test, deploy, monitor at scale
  • Stateful Multi-Prompt Agents
  • Single-Prompt Agents
  • Enables testing and deployment of complex workflows
  • Proprietary turn-taking model
  • Handles interruptions effectively
  • Post-call analysis
  • Sentiment analysis
  • Task completion status monitoring

Cons

  • No open source access
  • Limited language support800ms Latency
  • Requires LLM integration
  • Limited template variety
  • Proprietary turn-taking model
  • Unclear pricing model
  • May not handle unique interruptions
  • SOC Type II certification WIP

Pricing

Pricing model
Paid
    Paid options from
    $0.01/unit
      Billing frequency
      Pay-as-you-go