Specialist Tools

AI Voice Agents

AI that handles real phone calls — inbound customer service, outbound reminders, appointment booking, lead qualification. Sub-400ms latency. 24/7. Any language.

Voice Agents

Voice agents vs voice tools: Voice tools (ElevenLabs, Whisper, Murf) generate or transcribe audio. Voice agents have conversations on the phone — they listen, respond, take actions, and complete tasks. Different category, different use cases.

Vapi
API-first voice agent platform. 400ms latency. Any LLM, any voice, any telephony. Most flexible. Best for teams with developer resources.
API-first ~$0.05-0.15/min HIPAA available
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Retell AI
No-code agent builder + detailed analytics dashboard. Easier setup, visual conversation flow. Best for operators without deep engineering support.
No-code builder ~$0.07/min Analytics dashboard
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For Indian language voice agents: see Sarvam AI for TTS/STT in Hindi, Tamil, Telugu, and 7 other Indian languages. For voice cloning: ElevenLabs. For transcription: OpenAI Whisper.

WhatsApp + voice agents: For businesses handling customer calls on WhatsApp, WA.Expert's AI Integration combines WhatsApp chatbots with voice workflows — keeping all customer communication in one place.