Twilio Conversation Relay pricing and alternatives
Conversation Relay starts at $0.07 per minute. Twilio doesn't state a free plan or trial.
What does Conversation Relay do?
Conversation Relay is a Twilio service that lets developers add voice AI to phone calls. It combines speech-to-text and text-to-speech with the business's own choice of large language model through a WebSocket API, handles interruptions, and can transfer callers to a live agent. Teams can also build flows with a drag-and-drop Studio Widget.
What else should you know about Conversation Relay?
Conversation Relay is priced per minute. Twilio doesn't state any security or compliance standard.
| Fact | As stated | Checked |
|---|---|---|
| Price | From $0.07 per minute. | Oct 17, 2026 |
| Pricing model | Per minute | Oct 17, 2026 |
Who is Conversation Relay for, and what's the catch?
Suits a business that already runs its phone lines on Twilio and has a developer who wants to pick the language model. Rates start at $0.07 a minute.
The catch: it is orchestrated through a WebSocket API, and no compliance claims or free trial are stated. Plivo AI Agents lists $0.03 a minute, pay as you go, with telephony billed separately.
What are the alternatives to Conversation Relay?
Other AI voice agents to compare with Conversation Relay are ElevenAgents (from $6 per month), Dapta (from $99 per month) and Aircall's AI Voice Agents (from $100 per month).
| Tool | Price as stated | Free plan or trial | Compliance it states | Checked |
|---|---|---|---|---|
| ElevenAgentsElevenLabs · Vendor site | From $6 per month | Free plan | SOC 2 Type II, ISO 27001, PCI DSS, Signs a HIPAA BAA | Oct 17, 2026 |
| DaptaDapta · Vendor site | From $99 per month | Not stated | Not stated | Oct 17, 2026 |
| Aircall's AI Voice AgentsAircall · Vendor site | From $100 per month | Not stated | SOC 2 Type II, GDPR, Signs a HIPAA BAA | Oct 17, 2026 |
| Brilo AIBrilo AI · Vendor site | From $149 per month | Free plan | Not stated | Oct 17, 2026 |
| SigmaMind AISigmaMind AI · Vendor site | From $0.096 per minute | Not stated | SOC 2 (type not stated) | Oct 17, 2026 |