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Retell AI vs LiveKit: Features, Pricing and User Reviews 2026

Retell AI logo

Retell AI

Humanlike Voice Agents for Phone Calls

Retell AI screenshot
VS
LiveKit logo

LiveKit

Open-Source Real-Time Video, Audio & AI Platform

LiveKit screenshot

What are Retell AI and LiveKit?

Retell AI logo
Retell AI

Retell AI is a voice AI platform that helps you build, test, and launch AI voice agents that sound natural and humanlike on the phone, instead of stiff menu based systems.

You can build agents with a visual flow builder or simple prompts, then connect them to your phone numbers, CRM, and other tools to handle real calls.

Pricing works on a pay as you go basis, so you only pay for the voice minutes or chat messages you actually use, with a separate custom priced Enterprise plan for bigger teams.

It is built for contact centers, healthcare scheduling, sales outreach, and support teams that need AI to handle high call volumes.

LiveKit logo
LiveKit

LiveKit is a complete real-time communication platform that uses WebRTC technology to enable low-latency audio, video, and data exchange between users and AI agents. Unlike traditional communication tools, LiveKit is built specifically for developers who want to create custom real-time experiences.

The platform consists of several parts: the open-source LiveKit server that handles media routing, client SDKs for all major platforms, and LiveKit Cloud for managed hosting. It uses a Selective Forwarding Unit (SFU) architecture, which means it can efficiently handle many participants without heavy server processing.

LiveKit is especially strong for AI applications. It can connect voice agents to phone systems, enable real-time transcription, and support multimodal AI that can see and hear simultaneously. Whether you want to build a simple video chat or a complex AI assistant, LiveKit provides the foundation you need.

Features of Retell AI and LiveKit

Retell AI logo
Retell AI
  • Humanlike voice agents with natural turn taking

  • Visual flow builder and prompt based agents

  • Knowledge base and real time function calling

  • SIP trunking and bring your own telephony

  • Batch calling and outbound campaigns

  • Native CRM sync with Salesforce and HubSpot

  • Live call monitoring and AI QA analyst

  • Simulation and A/B testing tools

  • HIPAA, GDPR, and SOC 2 compliance

  • Pay as you go usage based pricing

LiveKit logo
LiveKit
  • Real-time video and audio streaming with WebRTC

  • AI voice agent framework with popular integrations

  • SDKs for all major platforms and languages

  • Self-hosted or managed cloud deployment options

  • End-to-end encryption and security features

  • Telephony and phone system integration

  • Global edge network for low latency

  • HIPAA compliant for healthcare applications

  • Enterprise SSO and access controls

Use Cases of Retell AI and LiveKit

Pricing of Retell AI and LiveKit

Retell AI logo
Retell AI

Retell AI uses a pay as you go pricing model, so you only pay for what you use, with $10 in free credits to get started and no upfront commitment.

  • Voice Agents: Priced at roughly $0.07 to $0.31 per minute, based on the LLM, voice, and telephony you choose.

  • Chat Agents: Priced from about $0.002 per AI message, depending on the model used.

  • Included Extras: 20 free concurrent calls, 10 free knowledge bases, call analytics, simulation testing, webhooks, and API access.

  • Add-ons: Extra concurrency, knowledge bases, phone numbers, SMS, and quality features like PII redaction cost a small amount more per minute or per month.

For larger organizations, the Enterprise plan offers custom pricing with dedicated servers, single sign on, custom contracts, and 24/7 support.

LiveKit logo
LiveKit

LiveKit offers flexible pricing plans designed to scale with your project's growth:

  • Build Plan (Free): Perfect for getting started with 100 concurrent participants, 5,000 connection minutes monthly, 50GB bandwidth, and 1,000 telephony minutes. Includes community support and basic analytics.

  • Ship Plan ($50/month): For production applications with 1,000 concurrent participants, 150,000 connection minutes (then $0.50 per thousand minutes), 500GB bandwidth (then $0.12 per GB), and enhanced features like noise cancellation and email support.

  • Scale Plan ($500/month): Advanced plan with higher limits, priority support, and additional enterprise features like SSO and shared Slack channels.

  • Enterprise Plan (Custom pricing): Tailored for large organizations with dedicated support engineers, HIPAA compliance, on-premise deployment options, and custom SLAs.

All plans include the core platform features, with higher tiers adding operational support, compliance certifications, and dedicated assistance for scaling applications.

FAQs: Retell AI vs LiveKit

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Retell AI
LiveKit logo
LiveKit

Reviews: Retell AI vs LiveKit

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Retell AI
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LiveKit
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Compare LiveKit With Other Tools