Vapi vs Retell AI
Updated 2026-10-21
Short answer: Both are used by agencies building AI phone agents; compare latency, telephony options, pricing and integration needs on a test call.
Vapi is a developer platform for building voice AI agents that handle phone and web calls.
Retell AI is a platform for building and deploying voice AI agents for phone calls.
In our directory, 30 agencies name Vapi on their website and 13 name Retell AI; 5 name both. Agencies that work with both can usually advise on which fits a given process.
Agencies to talk to
| # | Agency | Location | Builds with | Services they list | Score | Save |
|---|---|---|---|---|---|---|
| 1 | Samcom Technologies | India | n8n, Zapier, Retell AI | AI Voice Agent Development · VoIP Development & Support | 77 | |
| 2 |  n8n Lab | Newark, United States | n8n, Retell AI, Vapi | RevOps Agent · Content Creation | 61 | |
| 3 |  Agency7 | Edmonton, Canada | n8n, Zapier, Retell AI | Integrations we support. · Voice agents | 55 | |
| 4 |  Chatbot Boy AI | Houston, United States | n8n, Zapier, Retell AI | Core Automation Services · AI Voice Agents | 53 | |
| 5 |  Epiphany Dynamics | Nashville, United States | n8n, Retell AI, Vapi | CRM automation/sync · Chatbots | 49 |
Questions
Should I choose Vapi or Retell AI?
It depends on your existing tools, data-hosting requirements, team skills and expected volume. Ask an agency that works with both to map one real process on each before committing.
How many agencies work with both Vapi and Retell AI?
5 agencies in our directory mention both on their website.
Get matched with 3 vetted agencies
Describe the project. We read every brief and introduce you to three agencies from this index that fit it, usually within 2 working days. Free for buyers; agencies can't pay to be picked.