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AI Agents
Voice AI agents for developers
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Retell AI
Build AI voice agents for phone calls
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About Retell AI
Retell AI is a platform for building AI voice agents for phone calls with low-latency speech and telephony integrations. Operations, support and go-to-market teams use it to handle repetitive conversations and tasks at a volume that would be impractical manually. It typically connects to existing business systems, follows defined workflows and hands off to a person when a case needs judgment, which keeps automation useful instead of risky.
Retell AI key facts
- Category: AI Agents
- Pricing: Paid — this directory does not list a free tier for it.
- Focus areas: workflow, chatbot, customer support
- Official site: retellai.com
About the AI Agents category
Autonomous AI agents that plan and execute tasks for you — general agents, AI browsers, AI employees, app builders, and coding agents. The AI Agents category on Tools Hub currently lists 156 tools. Alongside Retell AI, it includes Vapi, Synthflow, Aisera, Botsonic.
More in AI Agents
Comparing tools in the AI Agents category? These related listings are worth a look: Vapi — Voice AI agents for developers; Synthflow — No-code AI voice assistants for business calls; Aisera — AI automation for IT and customer service.