Tool profile
Voice AI platform for building phone agents with telephony flows, APIs, and production call handling.
Voice agents
Retell AI is voice-agent infrastructure for teams that want to deploy real phone-based AI workflows. It focuses on telephony, turn-taking, latency, and programmable conversational flows rather than on meeting notes or browser chat widgets.
That makes it relevant for support, sales, intake, and operations teams building call experiences where voice is the primary channel. The key buyer question is not whether it can talk, but whether it can reliably hold up in production phone workflows.
Quick fit
Editorial take
Retell AI should be compared with Vapi, Bland AI, and Twilio-based custom voice stacks based on whether your priority is speed to deployment, telephony depth, or maximum control. It is a voice infrastructure decision, not a generic AI assistant purchase.
What it does well
Primary use cases
Fit notes
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Pricing snapshot
Retell AI starts at $0 with usage-based billing. The official page lists voice agents from about $0.07 per minute, chat agents from about $0.002 per message, and $10 in free credits to get started.
AgentOps
Free planAgent observability
Observability for AI agents with tracing, debugging, session visibility, and production monitoring.
Closer to agent observability than to model hosting or prompt tooling
