Play.AI
Provider: Play.AI
Artificial intelligence voice platform offering a range of voice models and voice cloning abilities for conversational agents.
Free plan with limited features. Three paid plans start at $9 per month.
Use AgentVoice Agent Builder AI Agents in Voice Generation
5 Voice Agent Builder AI agent(s) in Voice Generation.
Retell AI
Provider: Retell AI
Platform to build, deploy, and monitor scalable AI voice agents (phone bots).
Free
Use AgentSimple AI
Provider: Simple AI Lab Company
Simple can wait on hold and navigate phone trees. Simple can make phone calls in 33 countries using 15 different languages, or even call 10 different stores at the same time [source]
Freemium
Use AgentVocode Agents
Provider: Vocode
Open‑source + hosted stack to build real‑time, natural‑sounding voice agents for phone and apps.
OSS free / paid hosted
Use AgentVoiceflow
Provider: Voiceflow
Voiceflow enables teams to collaboratively build, test, and deploy chat and voice agents using visual flow design, knowledge base integration, API blocks, and telephony embedding. Offers real-time collaboration, versioning, testing, and enterprise governance (e.g. SSO, SOC 2). It spans use cases from customer support to in-app assistants and contact center automation.
Free plan with two agents. Two paid plans start at $60 per month.
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