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Retell AI
Developer-first voice AI platform for custom AI phone agents.
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Overview
Infrastructure rather than a done-for-you receptionist: teams build custom voice agents with their choice of LLM, voice and telephony, known for ~600ms latency and natural turn-taking.
Pricing
Pay-as-you-go from $0.07/min
Checked against the vendor's public pages in October 2026. Vendors change pricing often — confirm the current plan on their site.
Key features
- Bring your own LLM, voice & telephony, full API
- Warm transfers, analytics & call simulation
- HIPAA / SOC 2 / GDPR with PII redaction
Alternatives to consider
Affordable AI phone answering trained automatically on your business.
From $49/mo · 7-day trial
No-code AI phone agent for local businesses, billed per unique caller.
From $79/mo · unlimited minutes
See all 12 picks in our AI Receptionist roster.