Retell AI
Retell AI voice agents
Voice infrastructure ($0.055/min) plus a standard voice ($0.015/min) is $0.07/min; the language model is billed separately per model and US telephony adds $0.015/min (SIP trunking is free). $0.055 infra + $0.015 voice = $0.07 per minute, excluding LLM and telephony.
USD per minute of conversation
$0.07
- voice_per_min
- $0.015
- voice_infra_per_min
- $0.055
#4 cheapest of 6 in Voice agents
Official pricing ↗Capabilities, explained
What this API can do, and what each capability means for your project.
All-in price
No
The per-minute price already includes speech recognition, the model and the voice.
Phone line included
No
Phone-network minutes are included in the price rather than billed separately.
Bring your own model
—
You can plug in your own language model or model API key.
Phone numbers
Yes
The platform can give the agent a real phone number for inbound and outbound calls.
Languages
—
Approximate number of languages the agent can speak and understand.
Price history
Only one price recorded so far. The chart appears once the price changes.