Real Time Voice Interactions

Deepgram Voice AI offers real‑time and batch speech‑to‑text, text‑to‑speech, and voice‑agent APIs. It delivers low‑latency transcripts, natural‑sounding synthesis, and integrated conversation handling for contact centers, transcription, and podcasts, with cloud, on‑prem, and telephony support.

Voice.ai offers cloud‑and on‑prem AI voice agents for calls, scheduling, and queries, supporting 15+ languages. It provides text‑to‑speech, 10‑second voice cloning, real‑time voice change, noise filtering, and integrates with Salesforce, HubSpot, Zendesk, Slack. APIs and SDKs enable scalable deploym

Fish Audio S2 delivers real‑time text‑to‑speech with fine‑grained emotional tags and voice cloning from 15 seconds of audio. Its low‑latency API, SDKs, and multilingual support enable developers to create studio‑quality narration, dialogues, and voice agents.

Voiceflow enables teams to create, test, and deploy AI‑powered conversational agents across chat, voice, phone, and web without coding. Its visual editor, real‑time collaboration, and secure deployment pipelines streamline design, evaluation, and omnichannel rollout.

ZEGOCLOUD Conversational AI is a comprehensive platform that provides real-time voice, video, and chat APIs. It enhances interactions with AI effects and scalable, low-latency infrastructure for applications in telehealth, education, and gaming.

Voicepanel is an AI‑native research platform that lets teams design studies, instantly recruit from a 30 million‑user global panel, and collect voice, video, and text responses. It supports multi‑language prompts, real‑time analysis, and Slack integration for rapid insights.

Perso Interactive is a multimodal AI conversational platform delivering real-time, multilingual speech, vision and gesture interactions across PC, mobile and kiosks, with customizable avatars, TTS/voice cloning, precise lip-sync, automated video dubbing and SDK LLM integrations.

Resemble AI delivers real‑time voice conversion and cloning from brief samples, supports 149+ languages, lets users edit audio via text, and includes deep‑fake detection, watermarking, and API integration for secure, ethical use.

TalkingAvatar turns photos into realistic, animated avatars and clones voices from a single sentence. It auto‑syncs lip movements to new audio for videos, podcasts, and live streams, and integrates with Zoom, Twitch, and TikTok.

VideoSDK offers real-time audio/video SDKs and low-latency infrastructure across Web, mobile, and Flutter, with APIs for interactive live streaming, real-time transcription and AI voice agents, SIP integration, session diagnostics, and enterprise-grade routing.

LiveKit is an open-source framework and cloud platform for building and hosting low-latency real-time voice, video and physical AI agents, offering a media server, WebRTC SDKs, TTS/STT and telephony connectors, scalable hosting and programmatic APIs.

Teacher AI offers 24/7 voice‑based conversation practice with AI teacher clones, instant transcription, on‑click vocabulary translations, audio playback, exportable word lists, and automatic fluency tracking for intermediate learners seeking daily speaking drills.

LMAO AI is a real‑time prank‑calling app that produces human‑like conversations using over 100 synthetic voices. It adapts dialogue on the fly, supports scripted or improvisational calls, and enables instant, context‑aware calls for creators and prank enthusiasts.

TalkPersona is a free AI video chatbot that enables real-time, human-like conversations with virtual avatars. Users can choose roles like therapist or companion, and interact in multiple languages for a personalized experience. Registration ensures privacy.

Talkio AI is an AI‑driven language learning platform supporting 70 languages and 122 dialects. It offers voice conversations with pronunciation feedback, wordbooks, progress reports, and crosstalk mode for beginner comprehension. Schools and teams can deploy it securely in the EU.

Voicy.AI automates customer interactions for offline commerce, handling calls, texts, chat, and voice in real time. It integrates with POS and booking systems, supports SMS/Facebook Messenger, and scales personalized communication while lowering engagement costs.

Free text‑to‑speech platform supporting advanced AI models. Offers real‑time, natural‑sounding voice with emotion, multi‑language, and voice‑cloning. Users adjust pitch, speed, and parameters. API integration for podcasts, audiobooks, assistants, e‑learning, accessibility.

Voicemod provides real‑time voice modulation on Windows and macOS with a virtual microphone, 200+ AI‑generated voices, soundboard, instant 30‑second replay, low‑latency keybinds, Voicelab editing, on‑device AI, and hardware integration for streaming.

OneContact unifies voice, chat, WhatsApp, and social media into a single contact‑center interface, offering real‑time agent assistance, bot automation, sentiment analysis, quality monitoring, workforce optimization, and CRM integration for global scalability.

Talkpal is an AI‑powered language tutor supporting 80+ languages with interactive modes like speaking, writing, call, photo, and roleplay. It provides real‑time feedback on pronunciation, grammar, and vocabulary, personalizes practice, tracks progress, and offers certificate‑ready assessments.

Level AI automates contact‑center QA, offers real‑time agent assistance, and analyzes every interaction for sentiment and themes. It tracks performance gaps, supports compliance with screen‑recording, and delivers contextual knowledge via Agent GPT to boost resolution and uncover upsell opportunitie

Pronounce AI delivers instant grammar, pronunciation, and fluency feedback during recorded or live sessions. It supports American and British accents, tracks specific sounds, offers AI conversational practice, and integrates with Google Meet, Zoom, and other collaboration tools.

RAVATAR creates real‑time 3D AI avatars and holographic displays for customer engagement, events, and virtual workforces. Full‑body digital humans answer FAQs, guide visitors, and explain products across web, mobile, and kiosks. Customizable, low‑code integration supports CRM, LLM, and multilingual

Speak uses AI to act as a virtual tutor, recording and evaluating speech to give instant feedback on pronunciation, grammar, and fluency. It adapts curricula to learner progress and supports multiple languages on iOS, Android, and web.

Voicemaker is a cloud‑based text‑to‑speech platform offering 1,500+ AI voices in 130+ languages. It lets users adjust pitch, speed, pauses, add effects, clone voices with a minute of audio, and export to MP3, WAV, OGG, AAC, or OPUS.

AI‑powered roleplay coach for managers, sales teams, and new hires. It simulates performance reviews, sales pitches, and executive briefings, delivering real‑time, science‑based feedback on tone, filler words, and body language. Includes GDPR‑compliant video replay and customizable frameworks.

ElevenCreative is an AI tool that generates ultra-realistic speech, videos, music, and sound effects, offering text-to-speech, voice cloning, and a library of pre-recorded voices for creating personalized content for various applications.

AI Phone delivers real‑time bilingual subtitles and voice translation for phone, video, and messaging calls in 150+ languages, with instant camera‑text support for signs and menus. Invite contacts via a link—no extra download needed for seamless communication.

PlayAI turns text into natural‑sounding audio in 42+ languages using 800+ voices. Users adjust pitch, rate, volume, add SSML pronunciations, support multi‑speaker real‑time synthesis, voice cloning, and API integration for chatbots, streaming, IVR, e‑learning.

F5‑TTS converts text into natural‑sounding, multi‑language audio with emotion control. It supports zero‑shot voice cloning from a reference file, real‑time processing, and speed adjustment, ideal for audiobooks, e‑learning, and accessibility.

CoeFont Interpreter offers real‑time, low‑latency voice translation for meetings in multiple languages, integrating with Zoom, Teams, Google Meet, and Discord. It supports on‑device mobile use, custom terminology, automatic transcripts, and SOC2‑compliant data security.

Voicebox is an open-source desktop app for voice cloning and TTS that clones voices from short samples, supports WAV/MP3/FLAC/WEBM and mic capture, multi-voice timeline editing with effects, local or remote GPU inference, Whisper STT, and API integration.

Voice AI platform that builds conversational agents in five clicks, automating support, sales, and billing calls. It integrates natively with CRMs and databases for real‑time actions, supports multi‑OS softphones, and records transcriptions for audits.

Fluently uses AI to provide real‑time speaking practice, evaluating pronunciation, grammar, vocabulary, and fluency. It adapts lessons, tracks progress, and offers live feedback during calls or recordings for English and Spanish learners.

A web‑based Microsoft AI TTS tool offering 330+ neural voices in 129 languages. Users can adjust rate, pitch, pauses, and style for news, scripts, or narration. Works across Chrome, Firefox, Edge, with an API for web integration.

Voice Changer .io allows uploading or live recording, applying effects such as monster, robot, alien, echo, reverse, slow, fast, and custom pitch, previewing them in real time, and downloading the result as .wav for podcasts, videos, streams, or presentations.

Symbl.ai processes voice, video, and text in real time, extracting structured insights for enterprises. Its low‑code SDK embeds AI assistants, intent detection, and sentiment monitoring into support, sales, and meetings, while generating actionable metrics and compliance alerts.

Dubbing AI is a free, real-time voice changer tailored for gamers and social media users. It enables transforming your voice to match game characters or anime personas, supporting 40 languages across popular platforms for immersive social experiences.

Convai enables developers to create 3D conversational characters that perceive vision, voice, and gestures, integrate with Unity, Unreal, or WebGL, and are enriched via document uploads. It offers multilingual support, realistic animation, and scalable deployment across web, mobile, VR, and AR.

Echo Clone AI lets users clone voices from 30‑second samples, choose from 80+ celebrity voices, and tweak pitch, timbre, and speed. Real‑time transformation supports narration, dubbing, game voices, and is available on iOS and Android.

SweetTalk AI is an AI companion platform that uses photorealistic avatars and persistent memory to create personalized, continuous conversations. It offers diverse or custom-built companions with image generation, voice messages, and secure 24/7 chat.

Altered Studio provides real‑time voice morphing for calls and high‑quality post‑production editing, supporting low‑latency voice skins, accent translation, dysphonia restoration, and GPU‑accelerated workflows for precise editing and voice cloning.

Krisp delivers real‑time noise cancellation, accent conversion, and multilingual voice translation for meetings and call centers. It records calls, transcribes, and summarizes, syncing to CRMs. Developers can embed its voice SDK into custom applications.

Discuss offers real‑time voice AI tutoring across 30 languages, letting students and educators explore business, history, science, and more without sign‑ups. Sessions generate AI Agent Summary Analysis for review, with continual updates and free nonprofit use.

Interviews Chat is an AI‑powered platform that delivers real‑time transcription, response suggestions, and feedback for technical, behavioral, and case questions. Users choose GPT, Claude, or Gemini, get tailored resume drafts, multilingual support, and career guidance.

Univerbal is an AI tutor offering real‑time conversation practice in 20+ languages. Users customize dialogues, receive instant corrective feedback, track progress, and receive adaptive learning paths, supporting speaking, listening, reading, and writing skills.

Callin.io delivers sub‑176 ms AI voice agents that can be white‑labelled, deployed on a custom domain without coding, and offer 99.9 % uptime, carrier‑grade redundancy, GDPR/CCPA compliance, encryption, multi‑carrier support, and pre‑built CRM/ITSM connectors.

Unreal Speech is a low‑latency text‑to‑speech API offering real‑time streaming, synchronous MP3 output, and asynchronous long‑form synthesis with word‑level timestamps. It supports 48 voices in eight languages and flexible audio customization.

Speak English With AI provides an interactive, judgment‑free platform for practicing conversational English with diverse AI characters. Real‑time speech analysis offers instant feedback and phrasing suggestions, while adjustable pacing, playback, and translation aid review and confidence building.

HitPaw VoicePea delivers real‑time voice transformation with 300+ effects and low latency on Windows, macOS, iOS, Android. It supports 50+ audio/video formats, noise‑reduction, pitch control, virtual mic integration, and text‑to‑speech for streams, meetings, and content creation.