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1. Vapi
A developer platform for building and deploying AI voice agents for phone calls
- Free trial
- From $29/mo
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2. Retell AI
A platform for building AI phone agents that answer and make calls
- Free trial
- From $0.07
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3. Bland AI
An enterprise voice AI platform for automating phone calls end to end
- Free trial
- From $0.14
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4. Synthflow
An enterprise platform for AI voice agents that handle customer phone calls
- Free trial
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5. Smallest.ai
A realtime voice AI suite with voice agents, speech to text and text to speech
- Free trial
- From $0.09
- Indian languages
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6. Bolna
Builds voice AI agents for inbound and outbound calls in Indian languages
- Free trial
- From $0.06 per use
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7. Ringg AI
An AI voice and chat agent platform for businesses, based in Bengaluru
- Free trial
- From ₹6
- Rupee pricing
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8. Goodcall
An AI phone agent that answers calls and books jobs for small businesses
- No free plan
- From $79/mo
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9. Smith.ai
An AI receptionist service that answers calls 24/7 with optional live agents
- Free plan
- From $1.60
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10. Rosie
An AI answering service that picks up calls, books appointments and texts you the details
- Free trial
- From $49/mo
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11. PolyAI
An enterprise voice AI platform that builds agents to handle customer conversations
- Free trial
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12. Parloa
An AI agent platform that automates customer service conversations for enterprises
- No free plan
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13. LiveKit
An open source framework and cloud for building voice AI agents that take phone calls
- Free plan
- From $50/mo
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14. Ultravox
A speech-native voice AI platform with APIs for building real-time voice agents
- Free trial
- From $0.05 per use
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15. Dialpad
A customer experience platform with AI voice and digital agents and a contact center
- Free trial
- From $89/mo
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16. Haptik
A conversational AI platform with voice, chat and WhatsApp agents for customer service.
- No free plan
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17. Cartesia
Offers voice agents that answer and make calls, plus speech models, through one API.
- Free plan
- From $5/mo
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18. Telnyx Voice AI
Offers voice AI agents with calling, speech and orchestration on one platform.
- Free plan
- From $0.05 per use
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19. ElevenLabs
Lifelike AI voices, voice cloning and dubbing in one place
- Free plan
- From $6/mo
- Indian languages
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20. Yellow.ai
Runs AI agents that answer customers on chat, voice and email
- Free plan
- From $0.99 per use
Prices can change. Check each tool's website for the latest pricing.