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 Smith.ai
Pricing, pros, cons, and ideal use cases — side by side.
Smith.aiFreemium
Hybrid AI + human receptionist — handles calls, chats, and lead qualification with human backup.
At a glance
| Retell AI | Smith.ai | |
|---|---|---|
| Pricing | Paid$0.07/min base. Additional LLM and TTS costs based on configuration. | FreemiumTwo ladders. AI Receptionist: Free for 25 calls/month ($3.00 per call after), Pro $150/month for 75 calls, Enterprise $500/month for 300 calls, with higher call blocks priced on the page. Human virtual receptionists: Starter 30 calls for $300/month, Basic 90 calls for $810/month, Pro 300 calls for $2,100/month, with per-call overage and 10% off on a 12-month term. As read on the vendor's pricing pages in early October 2026. |
| Category | Communication | Communication |
| Ideal for | Dental practicesMed spasHome services contractorsAgencies building voice agents | Law FirmsDentalMed SpaProfessional Services |
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
Smith.ai
Pros
- AI + human hybrid model
- High call quality
- Lead qualification built-in
- Bilingual support
Cons
- Expensive
- Per-call pricing adds up
- Less control than pure AI
Which should you choose?
Smith.ai is the lighter-weight option (Freemium), while Retell AI sits higher on the pricing ladder (Paid). Retell AI is built around dental practices; Smith.ai leans more toward law firms. Shortlist the one whose strengths line up with your biggest constraint.
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