Retell AIPaid
Voice AI infrastructure with HIPAA support and ~620ms latency. Strong middle ground between Vapi (dev-first) and turnkey receptionists.
Communication comparison
Pricing, pros, cons, and ideal use cases — side by side.
Voice AI infrastructure with HIPAA support and ~620ms latency. Strong middle ground between Vapi (dev-first) and turnkey receptionists.
Programmable SMS, voice, and messaging API — the infrastructure layer for communications.
| Retell AI | Twilio | |
|---|---|---|
| Pricing | Paid$0.07/min base. Additional LLM and TTS costs based on configuration. | PaidPay-as-you-go. SMS roughly $0.0079/message. Voice from $0.014/minute. |
| Category | Communication | Communication |
| Ideal for | Dental practicesMed spasHome services contractorsAgencies building voice agents | Any SMB with custom tech needsAgenciesDevelopers |
Retell AI is built around dental practices; Twilio leans more toward any smb with custom tech needs. Shortlist the one whose strengths line up with your biggest constraint.