Retell AI
Retell AI is a platform for building, testing and deploying AI voice agents that handle phone calls, with pay-as-you-go pricing and low-latency conversation.
About this tool
Retell AI lets businesses build voice agents that answer and place phone calls, aiming at the work of a call centre: customer service, appointment handling and other routine conversations. Its proprietary orchestration manages speech, language model and voice to keep conversations natural, and the company cites independent benchmarks for latency of around 600 milliseconds.
The platform is designed so a customer’s own team can build, update, test and deploy agents without waiting on the vendor for each change. Pricing is pay as you go with no annual contract required: new users get $10 in free credits, voice agents cost a per-minute rate that depends on the chosen components, and enterprise plans add reliability, compliance and dedicated support.
What you can do
Voice agent builder
Create, update and test phone agents in-house without vendor involvement.
Low-latency orchestration
Proprietary orchestration aims for fast, natural turn-taking on calls.
Pay-as-you-go pricing
Start at $0 with free credits and pay only for minutes used.
Cost estimator
A calculator estimates monthly costs from expected call volume.
Who is it for?
- A clinic automates appointment confirmations and rescheduling calls.
- A home services company answers inbound calls after hours.
- A startup prototypes a voice agent with free credits before committing.
Before you choose
Per-minute costs vary widely with the model and voice options selected, so estimate realistic call lengths.
Automated calling must follow consent and disclosure rules in each jurisdiction.
Frequently asked questions
How much does Retell AI cost?
Retell is pay as you go from $0, with $10 in free credits. Voice agents are listed at roughly $0.07 to $0.31 per minute.
Do I need a contract to use Retell?
No. Retell says you can start without an annual contract and pay only for the minutes you use.
How fast are Retell voice agents?
Retell cites independent benchmarks of around 600 milliseconds latency. Real performance depends on the models and setup you choose.
Check the official website for current features, pricing, and terms.
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