19 Best Retell AI alternatives (2026)
Retell AI is api plus no-code, production telephony fast. Teams that switch usually cite price at production volume, compliance requirements, deeper pipeline control. The alternatives below are ranked by published head-to-head verdicts, not sponsorship.
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Realtime infra + agents (OSS + cloud)Best if you need: custom pipeline control, healthcare compliance
From $0.01/minvs Retell AI →Website →
Low-latency voice agentsBest if you need: smb receptionist and booking
From $0.02/minvs Retell AI →Try Millis AI →
SMB AI receptionistBest if you need: smb receptionist and booking
From $0.05/minvs Retell AI →Try Phonely →
Ecommerce phone agentsBest if you need: ecommerce support and orders
From $0.29/minvs Retell AI →Try Ringly.io →
No-code AI contact centerBest if you need: custom pipeline control, smb receptionist and booking
From $500/movs Retell AI →Try Thoughtly →
Open-source frameworkBest if you need: custom pipeline control, healthcare compliance
See pricingvs Retell AI →Website →
Agent builder (chat + voice)Best if you need: no-code agency deploys, ecommerce support and orders
From $0.05/minvs Retell AI →Try Voiceflow →
Dev-first API platform, full pipeline controlBest if you need: custom pipeline control, ecommerce support and orders
From $0.05/minvs Retell AI →Try Vapi →
Where to switch, by reason
Switching because of price at production volume →see Voiceflow
Switching because of compliance requirements →see LiveKit Agents
Switching because of deeper pipeline control →see LiveKit Agents