Choose Retell AI if you need
- Web. We haven't found it on Vapi's website.
- Integration with Salesforce, HubSpot or Zapier. We haven't found them on Vapi's website.
- ISO 27001 or GDPR. We haven't found them on Vapi's website.
At a glance
- Retell AI's lowest paid plan is Pay as you go at $0.07 per minute for AI voice agents, from $0, as of October 20, 2026.
- Vapi's lowest paid plan is Core at $29 per month, plus usage, as of October 19, 2026.
- Both are available on API.
- Only Retell AI lists Web.
- Both work with Twilio.
- Both list SOC 2, HIPAA and SSO.
- Only Retell AI lists ISO 27001 and GDPR.
- Both have a public API.
From each tool's own website, checked on the dates below, and from published reviews.
Which to choose
From the facts checked for both tools, not from opinion. A fact we haven't confirmed for one of them is never counted.
Choose Vapi if you need
No checked fact sets Vapi apart from Retell AI yet.
Retell AI
Nobody has reviewed Retell AI yet. Its rating shows once it has 3 reviews.
Review Retell AI
Vapi
Nobody has reviewed Vapi yet. Its rating shows once it has 3 reviews.
Review VapiThe facts
- What it does
- Retell AIBuild, deploy, and manage AI voice agents that sound human, execute tasks, and scale
- VapiBuild, test and deploy voice AI agents. The platform for developers creating conversational voice AI
- Free plan
- Retell AINot confirmed
- VapiNot confirmed
- Pricing
- Retell AIUsage-based
- VapiNot confirmed
- Paid plans from
What they share
From the platforms and integrations each website lists.
Platforms
Both
- API
Only Retell AI
- Web
Only VapiNothing else listed
Integrations
Both
- Twilio
Only Retell AI
- Salesforce
- HubSpot
- Zapier
- Zendesk
People who switched
Reviewers who say they used one of these before the other.
No reviewer has said they moved between Retell AI and Vapi yet.
Used either of them?
Your review makes this comparison better for the next person. Review Retell AI or review Vapi.