Retell AI vs Vapi
Both are developer-friendly platforms for voice AI agents with usage-based pricing and free credits. Retell publishes an all-in per-minute range for phone agents and states HIPAA/SOC 2/GDPR; Vapi lets you pick transcriber, model and voice providers and pay per component.
Editorial, not sponsored. Built from vendor-published facts only; neither product has been hands-on tested yet.
Retell AI
○ Unverified🇪🇺 Partial
Consider Retell AI if: You want a per-minute all-in price for phone agents.
Visit Retell AI ↗Vapi
○ Unverified🇪🇺 Unknown
Consider Vapi if: You want to mix and match speech/model providers and control the stack.
Visit Vapi ↗| Criterion | Retell AI | Vapi |
|---|---|---|
| Vendor | Retell AI | Vapi |
| What it does | AI voice agents for phone calls. | Developer platform for voice AI agents. |
| Pricing model | Usage-based | Usage-based |
| Starting price | $0.07–$0.31/min voice; $10 free credits | Pay per minute; $5 free credits; Core package $29/mo |
| Free tier | Yes | Yes |
| Deployment | SaaS | API |
| Integrations (vendor-stated) | Twilio, n8n, Make | Twilio |
| EU / GDPR | GDPR / partial infoStates HIPAA, SOC 2 Type II, GDPR and ISO 27001 compliance | Unknown |
| Hands-on test | ○ Unverified | ○ Unverified |
| Last checked | 2026-10-23 | 2026-10-23 |
Sources: www.retellai.com · www.retellai.com · vapi.ai · vapi.ai