Deepgram
Freemium
Fast speech recognition and voice agent APIs built for real-time applications.
Voice Assistants AI tools
AI voice agents and assistants for calls and conversations
9 tools
ElevenLabs
Freemium
Leading AI voice platform for realistic text to speech, voice cloning, dubbing and voice agents.
Vapi
Paid
A developer platform for building voice AI agents that make and answer phone calls.
Retell AI
Paid
Build and deploy AI phone agents for support, scheduling and sales calls.
Bland AI
Paid
An enterprise platform for AI phone agents that handle large volumes of calls.
Synthflow
Paid
A no-code platform for building AI voice assistants for calls and customer service.
PolyAI
Paid
Enterprise voice assistants that handle customer calls in natural conversation.
Hume AI
Freemium
Emotionally aware voice AI with an empathic speech interface for apps and agents.
LiveKit Agents
Freemium
An open-source framework and cloud for building real-time voice and video AI agents.
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