Voice Assistant Sdk
The best 50 Voice Assistant Sdk AI tools - Free & Paid
Explore 50 AI for Voice Assistant Sdk
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
Freemium
- $5/mo
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.
Free
Vapi is an AI tool that facilitates rapid voicebot development for various applications like customer support, sales, telehealth, etc. It provides features such as low-latency streaming, multilingual support, and customizable models to efficiently create sophisticated voice solutions.
Free trial
- $36
Create, embed, and share personalized AI chat apps without coding using Dialogly. Seamlessly integrate and share GPT-enabled chat apps, fetch real-time data from external HTTP endpoints, customize app behavior with custom rules, automate tasks with Zapier, and extract textual data from URLs. Pricing
Subscription
11 ai is a voice assistant using ElevenLabs Agents that enables voice-driven task management, customer research, ticket updates, and team messaging via integrations with Perplexity, Linear, and Slack, supporting private MCP servers and fast voice cloning across 5,000+ voices.
Freemium
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.
Freemium
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.
Free
- $50/mo
Alan AI is a cloud‑based platform that builds adaptive voice assistants via lightweight SDKs. It auto‑generates code for API calls, supports knowledge‑base imports, offers a visual workflow builder, and provides enterprise‑grade deployment options with multi‑model flexibility.
Freemium
- $1
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.
Freemium
Google AI Studio is a unified platform for accessing Gemini multimodal models—text, image, audio, and video—with API/SDK support, an integrated playground for prompt testing, one-click deployment, and centralized monitoring, logging, and code samples for rapid integration.
Freemium
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.
Free
VoiceGPT lets Android users chat with ChatGPT via voice, offering hotword activation, multilingual input/output, and unlimited free messaging. It supports OCR for image text extraction, code execution in 70+ languages, and DALL‑E 2 image creation, all within a dark/light theme.
Free
Vocads automates inbound/outbound calls, voicemail, follow‑ups, and surveys using AI agents built from templates and database‑driven dialogues. It supports 12+ languages, real‑time dashboards, 24/7 operation, and secure, multi‑channel deployment and integration.
Subscription
Verve AI Interview Copilot delivers real‑time support on Google Meet, Zoom, Teams, and Chime. It transcribes, detects questions, and suggests answers, offering specialized modes for behavioral, coding, assessments, and HireVue. Supports 25+ languages and aligns with resumes and role descriptions.
Freemium
- $17/mo
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.
Freemium
- $5/mo
Voqal lets developers control IDEs, generate code, and run tasks with natural voice, no wake word. It offers edit mode, debug commands, live context data, and customizable AI back‑ends across IDEs and languages for hands‑free coding.
Freemium
Nextiva AI Customer Experience Platform unifies voice, video, chat, email, and social media into one interface, using XBert to automate routine interactions and route inquiries. It provides assistance, transcription, analytics, and integrates with Salesforce, HubSpot, Zendesk, Teams, and Google Work
Freemium
- $15/mo
Curious Thing AI offers customizable voice assistants Lucy and Sam for businesses. These assistants simplify communication, gather leads, manage calls, and provide multilingual support, resulting in enhanced customer service.
Free trial
ParakeetAI delivers real‑time interview answers, integrating with Zoom, Google Meet, Teams, HackerRank, and LeetCode. It transcribes spoken questions, generates responses via GPT‑5, GPT‑4.1 or Claude 4, records shared screens, logs notes, and supports multiple languages and mobile access.
Subscription
- $99.9/mo
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.
Freemium
TalkForce AI is a voice assistant that manages routine inquiries, schedules appointments, and handles cancellations. It provides 24/7 service, routes complex calls to humans, integrates with CRM, uses sentiment analysis, and automates booking workflows for multiple industries.
Freemium
- $50/mo
Polyai is an AI-powered voice assistance tool that delivers brand experiences and accurate resolutions to customers in various industries.
Freemium
Coachvox delivers a 24/7 conversational AI that mirrors a coach’s unique style. It auto‑trains from books, articles, and session transcripts, offers customizable personality sliders, embeds on websites or dashboards, supports multiple languages, and provides analytics for content improvement.
Subscription
- $99/mo
DialogAi turns WhatsApp voice messages into text, uses GPT to answer questions, supports voice/text input, summarizes long messages, researches topics, retains context for ten minutes, then deletes history automatically.
Subscription
- $3.99/mo
AI Voice Agents automates business phone calls using intelligent voice interactions, ensuring 24/7 customer engagement. It enhances communication, reduces human errors, supports multiple languages, and integrates with tools like calendars and CRMs for diverse industry applications.
Freemium
DialSense by Dynopii streamlines customer interactions through AI voice assistants, offering quick resolutions and round-the-clock support. Enhance satisfaction, cut costs, and free up agents for complex tasks, boosting business efficiency.
Free
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.
Free trial
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.
Free trial
Voice Lab AI is a text-to-speech and voice cloning tool that generates realistic, expressive voices for audiobooks, voiceovers, and narration. It offers multilingual support, tonal nuance, and robust data security features like encryption and access controls.
Freemium
- $3/mo
Sensei AI delivers real‑time, one‑second AI answers during live video interviews. It ingests resumes and personal stories to provide context‑aware responses tailored to job roles, integrates with Zoom, Teams, Meet, and supports over 30 languages with custom tone settings.
Freemium
- $89/mo
Wondershare AI delivers end‑to‑end media creation: it turns scripts into spokesperson videos with multiple voices, generates music, offers real‑time transcription, AI audio cleanup, talking‑photo synthesis, PDF markup, text‑to‑image, multilingual video, object removal, and batch conversion.
Free
Hume AI offers emotion‑intelligent text‑to‑speech, real‑time speech‑to‑speech, and expressive voice cloning across 100+ languages. Developers use TypeScript, Python, .NET, or Swift SDKs to build voice‑design, stage‑direction, and emotion‑analysis features for content creation.
Freemium
- $3/mo
SpeakAI is an AI-driven language learning app with personalized paths and interactive exercises. Master dialogues for real-life situations, receive grammar suggestions, and engage with virtual partners for improved fluency. Choose from over 100 voices for an engaging learning experience.
Freemium
Voyp is an AI call agent that schedules appointments, reservations, and phone tasks via voice or text, auto‑adds events, records calls, supports multiple languages and platforms, and can transfer calls to verified numbers.
Freemium
Vbee Aivoice is an AI text-to-speech platform that converts text into natural-sounding audio across multiple languages. It offers various voices, supports voice cloning, and provides MP3/WAV output, ideal for podcasts, e-learning, and audiobooks.
Freemium
devAIce® extracts over 7,000 acoustic parameters via its SDK, Web API, and Unity/Unreal plug‑ins, delivering real‑time voice‑expression analytics for XR, automotive, robotics, and healthcare. It supports stress and health biomarker detection, emotion‑aware interfaces, and GDPR‑compliant data handlin
Freemium
Voxal AI is a serverless chatbot that deploys with one click to AWS, using your OpenAI and Pinecone keys, keeping data inside your account. It offers unlimited messages, real‑time analytics, white‑label options, and scalable, privacy‑first support.
Freemium
Command AI delivers AI‑powered in‑app assistance, offering product tours, nudges, surveys, and checklists. Its Copilot agent provides real‑time walkthroughs and co‑browsing, while API integration ensures context‑aware responses. The platform supports mobile/web, integrates with 24+ tools, and priori
Freemium
GitHub Next Project: Write code without the keyboard using voice commands with GitHub Copilot.
Free trial
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.
Freemium
The platform provides a suite of tools to create and manage an AI assistant with natural language processing, machine learning, and conversational AI features that can automate tasks like scheduling meetings and answering customer queries.
Freemium
- $40/mo
Qlient AI: Revolutionary 24/7 call intake system with lifelike voices. Automates call summaries, scheduling, recording, and delivers personalized experiences using advanced NLP.
Subscription
- $24.92/mo
Clerk Chat unifies voice, SMS, WhatsApp, and RCS, deploying real‑time agents for lead qualification and appointment scheduling. It integrates with Salesforce, Teams, and Genesys, supports HIPAA/SOC 2 compliance, and enables 24/7 automated outreach through embedded widgets.
Paid
- $29/mo
Vocera is an AI voice agent testing tool that allows users to create custom datasets for evaluating voice AI across various scenarios, providing real-time monitoring, detailed logs, and insights for optimizing performance in applications like sales and customer support.
Freemium