Retell AIPaid
Voice AI infrastructure with HIPAA support and ~620ms latency. Strong middle ground between Vapi (dev-first) and turnkey receptionists.
Communication comparison
Retell AI vs RingCentral
Pricing, pros, cons, and ideal use cases — side by side.
RingCentralPaid
The cloud business phone incumbent, now with an agentic AI Receptionist sold standalone or as a $39 add-on to RingEX — the cheapest entry point to voice AI for teams already on RingCentral.
At a glance
| Retell AI | RingCentral | |
|---|---|---|
| Pricing | Paid$0.07/min base. Additional LLM and TTS costs based on configuration. | PaidAI Receptionist (AIR) standalone starting at $49/month including 100 minutes; as a RingEX add-on starting at $39/month with 100 minutes; overage $0.50 per minute, rounded up and billed in 30-second increments; 14-day free trial — as read on the vendor's AI receptionist pricing page in early October 2026. RingEX seats (1–5 users, as rendered on the vendor's plans page, which renders prices client-side): Core $20/user/month paid annually ($30 month-to-month); Advanced $25/user/month paid annually ($35 month-to-month); the two AI Customer Engagement Bundles that include AIR are contact-sales. Budget the seat plus the add-on. |
| Category | Communication | Communication |
| Ideal for | Dental practicesMed spasHome services contractorsAgencies building voice agents | Businesses already on RingEX that want after-hours answering from the same vendorSmall offices with modest call volume testing AI answering for the first timeMid-market teams consolidating phone, video, and messaging on one platformRegulated practices that need a phone vendor designed to support HIPAA compliance |
Pros & cons
Retell AI
Pros
- HIPAA-ready on standard plans
- ~620ms latency (production usable)
- Good CRM integrations
- Balanced inbound/outbound
Cons
- Smaller community than Vapi or Bland
- Some advanced flows require dev work
- Total cost depends on LLM/TTS choices
RingCentral
Pros
- Lowest entry price for a voice agent from a major phone vendor
- Answers, routes with context, captures leads, and books appointments
- Customizable persona, voice, and routing
- Designed to support HIPAA compliance, with HITRUST on the platform underneath
- No new vendor if you already run RingEX
Cons
- Only 100 minutes included — overage at $0.50/minute is the real cost
- Reviewers report it interrupting callers and failing to end calls
- Struggles beyond basic FAQs and sometimes ignores uploaded documents
- RingEX contracts auto-renew with early-termination fees
- RingEX seat price plus AIR add-on is the real bill — Core starts at $20/user/month on annual billing, $30 monthly
Which should you choose?
Retell AI is built around dental practices; RingCentral leans more toward businesses already on ringex that want after-hours answering from the same vendor. Shortlist the one whose strengths line up with your biggest constraint.
Still deciding between Retell AI and RingCentral?
Get one AI workflow a week showing Communication in a real stack — what they cost, and where each one breaks.