AI Voice Assistants

The 31 AI Voice Assistants tools on HokAI, compared on capability, pricing and compliance. Independently verified.

What is in AI Voice Assistants

HokAI tracks 31 active tools in AI Voice Assistants. 25 of them (81%) publish a free tier you can test before paying. The audience most often named across these listings is developers building real-time voice agents and phone bots.

AI Voice Assistants — Tools

  • AssemblyAI — The best way to build Voice AI apps with production-ready speech recognition and understanding models
  • Bolna AI — Voice AI agent platform for Indian-language phone calls, with a no-code studio, REST API, bulk campaigns and an MIT-licensed core on GitHub.
  • Cartesia — Real-time voice AI for developers: Sonic text-to-speech in dozens of languages, Ink speech-to-text and phone voice agents, with a free plan to test it.
  • Certus AI — Voice AI phone agent for restaurants that takes orders and bookings 24/7 and sends them to the POS. A Y Combinator startup.
  • Deepgram — Real-time voice AI APIs for developers: speech-to-text under 300ms, TTS, and voice agents. Used by 200,000+ developers.
  • ElevenLabs — The leading AI voice platform for text-to-speech, voice cloning, and conversational AI agents
  • Fish Audio — Voice cloning, text-to-speech and transcription in one account, with a free plan, a pay-as-you-go API and open S2 weights for research use.
  • FlowSpeak — AI English speaking coach with instant pronunciation and fluency feedback, structured lesson Pathways, and dedicated IELTS prep.
  • Forevermore — Forevermore records unlimited family voice stories, builds Essence, an AI memory companion, and adds Echo memorial voice messages.
  • Krisp AI — Removes background noise from calls in real time, with optional meeting recording, transcription, and summaries.
  • KugelAudio — European TTS API with fast first-audio latency across dozens of languages, GDPR-compliant EU hosting with zero data retention, and a 78% human-preference win rate over ElevenLabs on German-language tests. Billed per minute, no card required to start.
  • Marr Labs — Vox, Marr Labs' phone agent, answers calls in under 1 second and enforces TCPA and HIPAA compliance live for regulated industries.
  • Murf AI — Ultra-realistic AI Voice Generator with fastest text-to-speech API for voice agents and creators
  • Play.ht — [DISCONTINUED] Play.ht was an AI text-to-speech platform with 900+ voices in 142 languages. Meta acquired the company in 2025 and shut it down completely by year's end. See TechCrunch and Meta's official announcement for proof.
  • Plivo — AI voice agents layered on Plivo's own carrier-grade telephony, billed at $0.03 per agent minute plus metered telephony fees.
  • Podcas — AI podcast generator that turns any topic, article, or PDF into a finished episode in minutes with 1,000+ lifelike voices.
  • Resemble AI — Generative voice AI and deepfake detection for enterprise trust
  • Retell AI — Retell AI builds and deploys realistic AI phone agents with 600ms latency, handling 50M+ monthly calls, and HIPAA/SOC 2 compliance. Rated 4.8/5 on G2 by 1,414 teams.
  • Rev AI — Speech-to-text API transcribing at $0.003/minute across 58+ languages, trained on 3M+ hours with optional human transcription at $1.99/minute for 99%+ accuracy.
  • Rootle — Voice AI platform automating sales, support, and recruitment calls in 20+ Indian languages, with first 100 calls free.
  • Siri AI — Apple's free, rebuilt conversational assistant runs a custom 1.2 trillion-parameter Google Gemini model and ships with iOS 27 in fall 2026.
  • Skilly — Voice-first AI tutor for macOS that watches your screen, points its cursor at UI elements, and teaches Figma, Blender, and After Effects.
  • Speechify — Text-to-speech app that reads PDFs, web pages and book photos aloud in 1,000+ voices on seven platforms, plus voice typing and an AI assistant.
  • Speechmatics — Speech-to-text API from Cambridge UK covering 55+ languages. Medical model at 93% accuracy, on-prem deployment. Free 4 hrs/month, on-demand from $2.75/hr.
  • Typecast — AI voice generator from Seoul's Neosapience with per-line emotion controls and voice cloning, from a free plan to a $69 team plan.
  • Vapi — Voice AI platform where developers bring their own LLM, speech-to-text and telephony; Amazon Ring picked it over 40 rivals in 2026.
  • Vocapable — AI receptionist for incoming calls and outbound calling for sales, shifts and feedback, on six published monthly plans with usage billed per AI minute.
  • Voice.ai — Voice changer with apps for 4 platforms, plus voice cloning, text to speech and AI phone agents on one shared credit balance.
  • Voicemod — Real-time voice changer for Discord, OBS and game chat on Windows and macOS, with 15+ themed soundboards. Free tier, or PRO for every voice.
  • Weekend — Weekend turns 4 smart TV platforms, Roku, Fire TV, Samsung and LG, into voice-controlled game consoles for Jeopardy!, Wheel of Fortune, Song Quiz and more.
  • WellSaid — Studio text-to-speech built on licensed voice actor recordings: hundreds of voices, AI Director tone controls, a REST API and an MCP server.

AI Voice Assistants pricing at a glance

Paid plans in AI Voice Assistants start at $39 per month, with a median entry point of $250, and the highest published ceiling reaching $1,320. Figures cover the 2 of 31 listings that publish a price; the rest quote on request or bundle the tool into a wider plan. If budget is the constraint, 25 listings offer a free tier.

Where these tools run

Across the 31 AI Voice Assistants listings, 28 run in the browser, 7 ship a Windows build, 10 ship a macOS build, 14 offer a mobile app. Check platform support before shortlisting — it is the constraint most often discovered late.

More Conversational and Voice categories

Frequently asked questions

How many tools are there in AI Voice Assistants?

HokAI currently lists 31 active entries in AI Voice Assistants. Each is verified against the vendor's own pages and re-checked as those pages change, so the count moves as the category does.

Which tools are listed under AI Voice Assistants?

AssemblyAI, Bolna AI, Cartesia, Certus AI and Deepgram, among the 31 entries in this section. Each links through to a full profile covering what it does, how it is priced where that is published, and how it compares with the alternatives in the same category.

Are there free AI Voice Assistants options?

Yes — 25 of the 31 listings in AI Voice Assistants publish a free tier. Free tiers here usually cap usage volume or hold back the higher-end features rather than expiring, so they suit evaluation before committing.

How much do AI Voice Assistants tools cost?

Published paid plans start at $39 per month, with the highest published ceiling at $1,320. That covers the 2 of 31 listings that publish a price — the remainder quote on request or fold the tool into a broader contract.

Do AI Voice Assistants tools work on mobile?

14 of the 31 listings in AI Voice Assistants offer an iOS or Android app; 28 run in the browser, which in practice covers mobile through a responsive interface even without a native app.