Best Voice Agents AI tools
Conversational agents that speak and listen in real time, fast enough to hold a natural call. The 15 highest-ranked of the 25 apps tagged Voice Agents in the Onei AI catalogue.
Everything tagged Voice Agents: apps, skills and MCP servers
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Open-source voice AI platform you can self-host — a visual workflow builder, bring-your-own STT/LLM/TTS models, telephony, and no per-minute platform lock-in.
Also: Telephony · Editor's pick
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AgentCall
Free, fully on-device voice loop for AI coding agents — talk to Claude Code, Cursor or Codex and hear them answer back out loud.
Also: Developers, Text-to-Speech, Transcription · Editor's pick
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Sesame AI, Inc.
Voice-first personal AI agents with continuous memory across voice and text — four distinct personalities, ultra-low latency, free on iOS.
Editor's pick
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Tatva Labs Inc.
Continuous automated QA for voice and chat AI agents, from pre-launch simulation to live call monitoring.
Also: Developers · Editor's pick
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Build, test and ship customer-facing AI agents on a visual canvas, with evaluation runs and per-step logs rather than vibes.
Also: Chatbot, Customer Support
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Interface, Inc.
AI receptionist and second work number for local service businesses — answers calls 24/7, transcribes everything, and turns each conversation into summaries and next steps.
Also: CRM, Telephony, Transcription
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Low-latency speech APIs from the team behind the open-source Dia model — text-to-speech and transcription priced well below the incumbents.
Also: API, Text-to-Speech, Transcription
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Naoma AI Inc.
An AI video agent that runs live, conversational product demos on your site 24/7 — answering questions, handling objections and routing qualified leads to your CRM.
Also: CRM, Multilingual
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Autophonix, LLC
AI voice agents for inbound and outbound phone calls, priced from 2¢ per minute, with 40+ languages, native SIP trunking and HIPAA/GDPR compliance.
Also: Multilingual, Telephony
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A router for voice models: 56 speech and language models benchmarked across 10 languages, with each session sent to the one that actually wins.
Also: API, Multilingual, Text-to-Speech
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MeetStream AI
One API for meeting bots across Zoom, Google Meet, Teams and Webex — join, record, stream and speak in real time, billed at $0.35 an hour.
Also: API, Developers, Transcription
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TruGen AI
A face-to-face video AI sales rep that meets website visitors live, qualifies them, demos the product and books the meeting.
Also: CRM, Customer Support
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Developer platform for AI agents on Apple's own channels — programmable iMessage at scale, plus video agents that answer and place FaceTime calls in a few lines of code.
Also: API, Chatbot, Developers
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AI concierge agents for support at scale, with a supervision layer that turns transcripts into improvements.
Also: Chatbot, Customer Support
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Bland AI
Enterprise phone agents on self-hosted models, tuned for human-sounding delivery at very large call volumes.
Also: Telephony
How this list is ranked
Ranked by editorial weight (0–100), plus 5 points per bookmark up to 10, plus or minus up to 20 for the average review rating; ties go to featured apps, then the most recently updated. Discontinued apps are never ranked.