platform comparison

Vapi vs Retell AI.

Compare platform fees, model flexibility, concurrency, and estimated call cost.

10K minute result

Vapi is lower in the baseline

This is a normalized public-list-price model, not an enterprise quote. It exists to reveal component differences, not predict your exact invoice.

Vapi$958.33$0.0958/min

Retell AI$1,008.33$0.1008/min

Monthly delta$50before negotiated discounts

Snapshot2026-07-18primary sources linked below

pricing structure

Why the advertised numbers differ

The key question is whether the headline minute is a platform layer or a complete agent stack.

Dimension	Vapi	Retell AI
Published structure	$0.05/min platform fee, plus model and carrier costs.	$0.055/min voice infrastructure, plus TTS, LLM, and telephony.
STT / LLM / TTS	Separate	Separate
Monthly base	$0	$0
Best fit	Teams that want broad provider choice and an API-first workflow.	Production phone agents with built-in testing and call operations.

decision

Choose for the operating model

The lowest modeled bill is useful, but ownership and deployment fit determine whether that bill stays low in production.

Choose Vapi when

Teams that want broad provider choice and an API-first workflow.

Choose Retell AI when

Production phone agents with built-in testing and call operations.

Before signing a contract, rerun the calculator with your actual traffic direction, average handle time, recording policy, model tier, and peak concurrency. Then request a provider quote at the same usage profile.

sources

Check both current pricing pages

Public prices checked 2026-07-18.

FAQ

Vapi vs Retell AI questions

Short answers for the common decision boundaries.

Which is cheaper, Vapi or Retell AI?

Under this 10,000-minute public-price scenario, Vapi is lower by about $50 per month. Your model, carrier, usage, and enterprise terms can reverse the result.

What does the example include?

Ten thousand outbound US minutes, five-minute average calls, Deepgram Nova-3, GPT-5 mini, integrated Cartesia-class TTS, Twilio local outbound, and no recording. Bundled platforms ignore separate speech and model charges.

Which platform should I choose?

Vapi is strongest for teams that want broad provider choice and an api-first workflow. Retell AI is strongest for production phone agents with built-in testing and call operations. Price is one constraint; control, deployment model, latency, compliance, and operational capacity also matter.