Open-source framework and cloud for realtime voice, video and physical AI agents.
WebsiteProvisional comparison
LiveKit Agents vs Retell AI
LiveKit Agents is provisional S-tier and Retell AI is provisional A-tier on Voice Agents. Rankings are never for sale.
| Field | LiveKit Agents | Retell AI |
|---|---|---|
| Tier | S · provisional | A · provisional |
| Why | Realtime infrastructure standard for voice agents (14k+ stars on agents framework). | Strong production phone-agent platform with transparent per-minute pricing. |
| Pricing | open-source / freemium cloud · starts at $50/mo (cloud) | usage-based · starts at $0.07–$0.31/min |
| GitHub stars | 14,757 | — |
| Last push | Oct 15, 2026 | — |
| Last verified | Oct 15, 2026 | Oct 15, 2026 |