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Retell AI vs Vapi

In short, Retell AI leads on voice and phone (8.4 to 8.2). Here's who should pick which.

Published · Updated . Facts checked November 12, 2026. Some links on this page are affiliate links; see our disclosure.

Which is better, Retell AI or Vapi?

It depends on your size and the job. By size, neither is built for small businesses; Vapi fits mid-size companies and enterprises better. By job, Retell AI leads on voice and phone. Choose Retell AI if you have someone who can build a custom voice agent and want high call quality at transparent per-minute prices. Choose Vapi if you have developers and want maximum control over models, voices and phone providers.

Retell AI

Choose Retell AI if you have someone who can build a custom voice agent and want high call quality at transparent per-minute prices.

Visit Retell AI

Vapi

Choose Vapi if you have developers and want maximum control over models, voices and phone providers.

Visit Vapi

Fit by business size

MeasureRetell AIVapi
Small business (1 to 50 people)Not built for itNot built for it
Mid-size company (50 to 1,000 people)7.27.4
Enterprise (1,000+ people)7.47.6

Scores by job

MeasureRetell AIVapi
Voice and phone8.48.2

Base scores

MeasureRetell AIVapi
Does the work8.08.0
Reach6.06.5
Setup5.54.5
Control8.08.5
Value8.07.5
Trust7.57.5
Enterprise readiness7.58.0

Which jobs each takes on

JobRetell AIVapi
Answers customersRetell AI, Answers customers: yesVapi, Answers customers: yes
Finds and follows up with leadsRetell AI, Finds and follows up with leads: partlyVapi, Finds and follows up with leads: partly
Writes and posts marketingRetell AI, Writes and posts marketing: noVapi, Writes and posts marketing: no
Handles email and calendarRetell AI, Handles email and calendar: noVapi, Handles email and calendar: no
Takes and makes phone callsRetell AI, Takes and makes phone calls: yesVapi, Takes and makes phone calls: yes
Back office: reports, docs, dataRetell AI, Back office: reports, docs, data: noVapi, Back office: reports, docs, data: no
Runs on a schedule or triggerRetell AI, Runs on a schedule or trigger: yesVapi, Runs on a schedule or trigger: yes
Asks before risky actionsRetell AI, Asks before risky actions: partlyVapi, Asks before risky actions: partly
Connects to hundreds of appsRetell AI, Connects to hundreds of apps: partlyVapi, Connects to hundreds of apps: partly
API or MCP accessRetell AI, API or MCP access: yesVapi, API or MCP access: yes

Price and fine print

Prices and terms as of November 2026, from each company's own site.

DetailRetell AIVapi
TypeVoice agentVoice agent
Starting priceNo monthly fee plus about $0.07 to $0.31 per minuteNo monthly fee plus about $0.08 to $0.13 per minute all-in
Free plan$10 in free credits$5 in free credits
Extra chargesExtra concurrency $8 per line per month; numbers $2 per monthHIPAA add-on $2,000 per month; extra lines $10 per month
RefundsNot statedNot stated
Best forTeams building custom voice agents for inbound or outbound calls.Developers who want full control over voice agents.

Retell AI

  • Excellent call quality
  • Transparent per-minute pricing
  • Choice of models and voices
  • Free credits to start
  • You build the agent yourself
  • Costs add up across components
  • Voice only
  • Some pricing page inconsistencies
Full Retell AI review

Vapi

  • Most configurable voice platform
  • Bring any model or phone provider
  • Models passed through at cost
  • Compliance options
  • Developer-only
  • Many cost components
  • HIPAA add-on is expensive
  • Voice only
Full Vapi review

Retell AI vs Vapi: questions

Is Retell AI better than Vapi?

It depends on the job. In short, Retell AI leads on voice and phone (8.4 to 8.2). Choose Retell AI if you have someone who can build a custom voice agent and want high call quality at transparent per-minute prices. Choose Vapi if you have developers and want maximum control over models, voices and phone providers.

Which is built for my company's size?

Retell AI is built for: mid-size company, enterprise. Vapi is built for: mid-size company, enterprise.

Which costs less, Retell AI or Vapi?

Retell AI: no monthly fee plus about $0.07 to $0.31 per minute, as of November 2026. Vapi: no monthly fee plus about $0.08 to $0.13 per minute all-in, as of November 2026. Check extra charges too: Retell AI, extra concurrency $8 per line per month; numbers $2 per month; Vapi, hIPAA add-on $2,000 per month; extra lines $10 per month.