switchpoint

Head-to-head · 2026

Independent

Retell AI vs Vapi

Retell wins for most teams. It ships a faster, more natural agent out of the box and non-engineers can build with it. Vapi wins when an engineering team wants to compose its own LLM, TTS, and telephony layer at the lowest base rate.

Reviewed by Switchpoint Editors ·

Our pick

Retell AI

The Goldilocks pick — production-ready voice quality without a dev team.

Pricing
~$0.08–0.15/min
Latency
Sub-500ms (best-in-class)
Visit Retell AI

Side by side

At a glance

PlatformBest forPricingLatencyVisit
PickRetell AIMost businesses building real production voice agents.~$0.08–0.15/minSub-500ms (best-in-class)Visit
VapiDevelopers who want maximum control over every layer.~$0.05/min + your model/TTS/telephony costs~500–800ms (depends on your stack)Visit

Retell AI

Most businesses building real production voice agents.

The Goldilocks pick — production-ready voice quality without a dev team.

Pros

  • Lowest latency, most natural turn-taking
  • Non-engineers can build complex flows
  • Managed infrastructure

Trade-offs

  • Less low-level control than Vapi
  • Per-minute cost above Vapi
Visit Retell AI

Vapi

Developers who want maximum control over every layer.

The developer's middleware — bring your own LLM, TTS, and telephony.

Pros

  • Maximum flexibility / composable
  • Cheapest base rate
  • Bring-your-own everything

Trade-offs

  • You assemble and tune the stack
  • Higher engineering lift
Visit Vapi

Decision guide

Which should you pick?

Most businesses

Retell AI

Best latency, most natural turn-taking, accessible to non-engineers.

Developer-led teams

Vapi

Bring-your-own LLM/TTS/telephony with the lowest base per-minute rate.

High-volume outbound

Vapi

Lowest base per-minute rate — unit economics matter at campaign scale.

Related

Keep digging

The Switch

The honest shortlist, monthly.

One email a month: the best new tools we'd actually switch to, plus the deals worth taking. No vendor fluff.

Some outbound links on this page are affiliate. They don't influence rankings, verdicts, or who we recommend.