Retell AI.
A production phone-agent platform with testing, analytics, telephony, model choice, and call-operation features.
public snapshot
Understand the commercial shape
Vendor pages checked 2026-07-17. Pricing, availability, and included components can change without notice.
marketUS + global developer
deliveryHosted voice infrastructure
price signal$0.055/min voice infrastructure plus components
checked2026-07-17
decision
When to shortlist Retell AI
A provider page should narrow a discovery call, not replace a technical proof of concept or contract review.
Best fit
Teams that want production calling operations without owning realtime infrastructure.
Questions to ask
- Does the quoted minute include STT, TTS, LLM, telephony, recording, and failed attempts?
- Which countries, number types, languages, and transfer destinations are production-supported?
- What concurrency, rate limits, data residency, retention, and support terms apply?
- Can you bring your own speech, model, SIP carrier, and phone numbers without markup?
open-source path
Open alternatives to Retell AI
Self-hosting changes the bill and the ownership boundary. These starting points expose more of the runtime while leaving model and carrier costs intact.