Retell AI vs Vapi
A side-by-side, sourced comparison. No made-up scores.
Retell AI
Voice AI platform (build your own)Deploy AI voice agents in minutes for inbound and outbound calls. 95.7% workflow accuracy, ahead of 6 platforms. HIPAA and SOC 2. Pilot on real calls first.
| Category | Voice AI platform (build your own) |
|---|---|
| Trades | Not specified |
| Published pricing | Not published. Check with the vendor. |
| Features mentioned | Appointment booking, Lead qualification, SMS / text, Call transfer, CRM integration, Outbound calls, HIPAA |
| Website | retellai.com |
| Verified | source · 2026-10-15/16 (homepage fetched) |
Vapi
Voice AI platform (build your own)Build, test, and deploy advanced voice AI agents in minutes with Vapi. The platform for developers creating conversational voice AI.
Key differences
- Type: Retell AI: Voice AI platform (build your own). Vapi: Voice AI platform (build your own).
- Pricing: Neither vendor publishes pricing; request quotes from both.
- Both mention: Appointment booking, HIPAA, Lead qualification
- Only Retell AI mentions: CRM integration, Call transfer, Outbound calls, SMS / text
- Only Vapi mentions: -
Based on each vendor's public website and cited pricing sources as of 2026-10-16. Not a hands-on test.
FAQ
What is the main difference between Retell AI and Vapi?
Retell AI is listed as voice ai platform (build your own) and Vapi as voice ai platform (build your own). Retell AI mentions CRM integration, Call transfer, Outbound calls, SMS / text on its site where Vapi does not.
Which is cheaper, Retell AI or Vapi?
Neither vendor publishes pricing; request quotes from both. Real costs depend on call volume and plan limits.
Which should I choose?
Shortlist both, run several real test calls (including a messy or urgent one), and confirm each integrates with your calendar or software. We have not tested either product.
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