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. US SMS $0.0083 per segment, outbound and inbound, plus carrier pass-through fees. US voice $0.014/minute outbound and $0.0085/minute inbound on a local number, which costs $1.15/month. As read on the vendor's US SMS and voice pricing pages in early October 2026. |
| 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.
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