LiveKit Agents vs Retell AI

Pick two tools from the same category to compare side-by-side.

	LiveKit Agents Open-source realtime framework from LiveKit for building voice, video, and multimodal AI agents.	Retell AI Voice agent platform focused on low-latency conversation.
Category	voice	voice
Vendor type	hybrid	commercial
Pricing	freemium	usage
Strengths	+ Full STT-LLM-TTS pipeline with turn detection and interruption handling built in + Apache 2.0 licensed with Python and Node.js SDKs + Telephony support and multi-agent handoff for complex call flows + Self-hostable or managed via LiveKit Cloud with built-in observability	+ Strong latency story + Mature telephony integration
Tradeoffs	− Tightly coupled to LiveKit's room/WebRTC infrastructure model − Running production-grade realtime media servers yourself adds significant ops burden versus using LiveKit Cloud	− Closed platform; less customization than DIY
Used in stacks	0	0