Retell AI
Featured agentfreemiumAPI Available
4.7/ 5.0
Real-time voice agents platform optimized for low latency and smooth conversational flow over phone lines and web.
Supported Languages
EnglishSpanishGermanFrench
Quick Overview
Pros
- Lowest latency on the market
- Excellent webhook integration
- Built specifically for voice
Cons
- Limited non-voice functionality
- Steep learning curve for custom LLMs
Stacks using Retell AI(5)
Real-Time Conversational Support Agent
support-botA 24/7 AI voice agent capable of handling high-volume, real-time phone support.
Retell AI
OpenAI TTS
Whisper (OpenAI API)
Automated Phone-Based Lead Qualification Agent
agentHigh volume, pre-qualified leads delivered to the sales team, saving SDR time.
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Google Dialogflow CX
Twilio Voice API
AI Agent Noise Immunity with Krisp
agentRobust voice agents that maintain high accuracy even in noisy, real-world conditions.
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Deepgram
Krisp
AI Agent Handoff to Human Support
support-botImproved customer experience by minimizing repetition after an AI to human handoff.
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Twilio Voice API
Whisper (OpenAI API)
Custom VAD for Agent Barging
agentHuman-like conversational flow by enabling the user to interrupt the AI agent at any time.
Retell AI
LiveKit