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AI Voice Agents

Alternatives to Synthflow

The tools Specifiction weighs against Synthflow, from its list of ai voice agents, each with its plans, platforms and spec score.

  1. 01 LiveKit Agents

    LiveKit Agents suits developers building realtime voice, video, text, or physical AI agents in Python or Node.js.

    From $50/mo Free plan Open source Web · Windows · macOS · Linux
    9.1 Visit Specs
  2. 02 ElevenLabs
    From $6/mo Free plan Web · API
    9.0 Visit Specs
  3. 03 Pipecat

    It suits developers building voice or multimodal agents who need to choose between self-managed Python infrastructure and a hosted deployment.

    From $0.01/mo Free plan Open source Web · Windows · macOS · Linux
    9.0 Visit Specs
  4. 04 Voiceflow

    Voiceflow is presented for CX and support leaders, engineers, enterprise teams, and agencies or partners building agents for clients.

    From $81/mo Free plan Web · iOS · Android · API
    8.7 Visit Specs
  5. 05 Vapi

    Vapi suits users seeking a platform for inbound and outbound voice calls, including human handoff.

    From $29/mo Free plan Web · iOS · Android · API
    8.6 Visit Specs
  6. 06 Kore.ai

    It suits large organizations building AI agents for workflows that cross teams, tools, and systems.

    Free trial Web · API · Self-hosted
    8.4 Visit Specs
  7. 07 Fonema
    From $0.08/mo Free trial Web · API
    8.3 Visit Specs
  8. 08 Intervo

    Intervo may suit businesses building voice or chat agents for customer support, lead qualification, reception, onboarding, or internal assistance.

    From $129/mo Free plan Web · API · Self-hosted
    8.2 Visit Specs
  9. 09 Rapida AI

    Rapida AI is aimed at agencies, enterprise teams, contact center operators, CPaaS and CCaaS companies, and developers.

    From $500/mo Free plan Web · Windows · macOS · Linux
    8.2 Visit Specs
  10. 10 Yellow.ai
    Free plan Web · iOS · Android · API
    8.2 Visit Specs
  11. 11 Bland AI

    Bland AI suits organizations building phone agents across inbound and outbound work, especially those needing multiple deployment choices, integrations, languages, or compliance documentation.

    From $0.14/mo Web · API · Self-hosted
    8.1 Visit Specs
  12. 12 Dialzara

    Dialzara suits businesses seeking automated call answering, appointment scheduling, and a website chatbot.

    From $29/mo Free trial Web
    8.0 Visit Specs
  13. 13 Retell AI

    It suits teams building voice agents for inbound or outbound calls, with options for chat, SMS, testing and human handoff.

    From $0.07/mo Free plan Web · API · Self-hosted
    8.0 Visit Specs
  14. 14 Cognigy

    Cognigy.AI suits enterprise contact centers building and coordinating customer-service agents across channels.

    Web · API · Self-hosted
    7.9 Visit Specs
  15. 15 My AI Front Desk
    From $99/mo Free trial Web · API
    7.9 Visit Specs
  16. 16 Tone

    Tone may suit developers building voice agents for phone, web-widget, or chat experiences.

    From $0.09/mo Free plan Web · API · Self-hosted
    7.9 Visit Specs
  17. 17 boost.ai

    boost.ai is presented for enterprises in financial services, insurance, telecommunications, and the public sector.

    Web · API
    7.8 Visit Specs
  18. 18 Genesys Cloud Agentic Virtual Agent

    It suits organizations seeking automated customer workflows across voice and digital channels, with human escalation when needed.

    From $6.25/mo Web · API
    7.8 Visit Specs
  19. 19 Ring AI

    Ring AI suits organizations building voice agents for calling workflows such as support, sales, scheduling, and surveys.

    From $399/mo Free plan Web · API
    7.8 Visit Specs
  20. 20 Goodcall
    From $79/mo Web
    7.6 Visit Specs
  21. 21 Slang AI
    From $399/mo API
    7.6 Visit Specs
  22. 22 Kea AI
    From $450/mo Web
    7.5 Visit Specs
  23. 23 LeadsEngage
    From ₹4,999/mo Web · API
    7.5 Visit Specs
  24. 24 Numa

    Numa is aimed at franchise dealerships, multi-rooftop groups with high call and text volumes, and single stores seeking to reduce missed calls.

    Web · iOS · Android
    7.1 Visit Specs
  25. 25 Parloa
    Web · API
    7.1 Visit Specs
  26. 26 PolyAI
    Web · API
    7.0 Visit Specs
  27. 27 Deepgram Voice Agent API
    From $0.06/mo Web
    6.9 Visit Specs
  28. 28 Replicant
    Web
    6.8 Visit Specs
  29. 29 Uniphore Self-Service Agent
    Web · API
    6.8 Visit Specs
  30. 30 Talkdesk CX Cloud

    It suits contact-center teams needing voice and digital channels, workforce tools, analytics and helpdesk integrations.

    From $85/mo Web
    6.7 Visit Specs

Synthflow, head to head