Best AI Voice Agent Platforms (2026)

Platforms and open-source frameworks for building AI voice agents that talk, listen and handle phone calls. Below are the top 20 of 21 matching tools in the AgentScout directory, ranked.

How we ranked: Ranked by GitHub stars as recorded on each AgentScout listing (link checks 2026-10-18). Tools without a tracked public repo come after, in alphabetical order. Stars measure developer popularity, not quality or fit for your job, so read each listing before you choose. No paid placements.

1. P

   1. Pipecat

   voiceOpen source★ 16,446 GitHub stars

   Open-source framework for voice and multimodal conversational agents.

   Pricing (as stated): Open source · Mature

2. T

   2. TEN Framework

   voiceOpen source★ 11,172 GitHub stars

   Open-source framework for real-time multimodal voice agents, including the TEN Agent demo.

   Pricing (as stated): Open source · Mature

3. V

   3. Vision Agents

   voiceOpen source★ 8,171 GitHub stars

   Stream's open framework for building real-time voice and video agents with any model.

   Pricing (as stated): Open source · Mature

4. D

   4. Dograh

   voiceOpen source + cloud★ 5,896 GitHub stars

   Self-hostable voice agent platform with a visual call-flow builder, bring-your-own speech and LLM providers and MCP control, pitched as an open alternative to Vapi and Retell.

   Pricing (as stated): Open source + cloud · Mature

5. V

   5. vocode

   voiceOpen source + cloud★ 3,804 GitHub stars

   Open-source library for building voice-based LLM agents for phone calls and apps.

   Pricing (as stated): Open source + cloud · Active

6. V

   6. Vexa

   voiceOpen source + cloud★ 2,886 GitHub stars

   Open-source meeting transcription API with bots for Meet, Teams and Zoom.

   Pricing (as stated): Open source + cloud · Active

7. V

   7. VoiceMode

   voiceOpen source★ 1,401 GitHub stars

   Adds natural voice conversations to Claude Code and other assistants.

   Pricing (as stated): Open source · Active

8. T

   8. TryVoice

   voiceOpen source★ 160 GitHub stars

   Hands-free voice runtime for coding agents with wake word, push-to-talk and streaming replies.

   Pricing (as stated): Open source · Early

9. C

   9. Cicero

   voiceOpen source★ 64 GitHub stars

   Self-hosted voice interface for coding agents (Claude Code, Codex, ACP); talk from a browser or Telegram call.

   Pricing (as stated): Open source · Early

10. V

    10. Voiceloop

    voiceOpen source★ 6 GitHub stars

    Zero-dependency JS library for an interruptible in-browser voice loop (VAD, STT, LLM, TTS).

    Pricing (as stated): Open source (MIT) · Early

11. C

    11. ClawCall

    voiceUsage-based

    AI that places phone calls for you, navigates menus, waits on hold and talks to the person who answers.

    Pricing (as stated): Usage-based · Active

12. C

    12. Convai

    voiceFreemium

    Conversational AI for virtual worlds: voice-enabled characters and agents that perceive, speak and act inside games and 3D scenes.

    Pricing (as stated): Freemium · Active

13. D

    13. Deepgram

    voiceUsage-based

    Speech-to-text, text-to-speech and voice agent APIs for building real-time voice agents.

    Pricing (as stated): Usage-based · Active

14. D

    14. Dial

    voiceUsage-based

    Gives an AI agent a real phone number for calls, SMS, iMessage and WhatsApp through one API.

    Pricing (as stated): Usage-based · Active

15. E

    15. ElevenLabs Agents

    voiceFreemium

    Voice AI platform with conversational agents and TTS.

    Pricing (as stated): Free tier + paid plans · Mature

16. I

    16. Inworld

    voiceUsage-based

    Platform and runtime for real-time voice AI and interactive characters, including text-to-speech and agent orchestration for consumer apps.

    Pricing (as stated): Usage-based · Active

17. L

    17. LiveKit Agents

    voiceOpen source + cloud

    Real-time voice and video infrastructure with an agents framework.

    Pricing (as stated): Open source + paid cloud · Mature

18. R

    18. Retell AI

    voiceUsage-based

    Builds AI phone agents for calls and support.

    Pricing (as stated): Usage-based · Mature

19. S

    19. Simple Phones

    voicePaid

    AI phone agent that answers business calls, takes messages and books appointments.

    Pricing (as stated): Paid · Active

20. T

    20. Thoughtly

    voicePaid

    AI voice agents for inbound and outbound calls for businesses.

    Pricing (as stated): Paid · Active

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Related: Building voice agents · Handling phone calls · LiveKit Agents vs Pipecat

More best-of lists: All best lists · Best AI Coding Agents · Best AI Agent Frameworks · Best AI Browser Agents · Best Open-Source MCP Servers · Most-Starred Open-Source AI Agent Projects · Best Self-Hosted AI Agents · Best Free AI Agents (Free Plans) · Best No-Code AI Agent Builders · Best AI Vision Tools for Agents · Best AI Agent Observability & Eval Tools · Best Personal AI Agents · Best AI Agents for Business Teams · Best Crypto AI Agents · Best AI Productivity Agents

Facts come from our directory listings; pricing is as each maker states it and GitHub stars are as recorded on each listing. Check official sites before you choose.