Open Source Voice Assistant
The best 50 Open Source Voice Assistant AI tools - Free & Paid
Explore 50 AI for Open Source Voice Assistant
Open Voice OS is an open-source, community-driven voice AI platform for building customizable assistants across Raspberry Pi, embedded devices, Linux desktops, and Docker. It provides plugin-based STT/TTS, configurable wake words, extensible skills, and privacy-focused self-hosting.
Free
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
GitHub Next Project: Write code without the keyboard using voice commands with GitHub Copilot.
Free trial
DeepSeek-V3 is an advanced AI model offering leading performance in open source LLM, enhanced speed, and global language support. It sets new benchmarks for inference speed among open-source models.
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
Gemini is an AI assistant and chatbot provided by google based on Gemini LLM family. It provides access to Google's advanced AI systems with many features and integrations to help you with daily workflows and tasks."
Freemium
- $20
Claude is an advanced AI assistant designed for a variety of tasks, including code generation, writing, productivity enhancement, and business automation. It is highly adaptable, intelligent, and customizable to meet diverse user needs.
Freemium
- $18/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
Genspark unifies inbox, workflows, and collaboration into one AI workspace, offering a 1‑million‑token context window, voice‑to‑text, auto‑meeting notes, and Chrome extensions for instant summarization and task automation across WhatsApp, Slack, and Teams.
Freemium
OpenClaw is a personal AI assistant that automates email, calendar, task and chat workflows—clearing inboxes, composing and sending messages, scheduling events, checking reservations, integrating chats and cloud services, with persistent memory, background jobs and developer-friendly self-hosting an
Free
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
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
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.
Free
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
OpenAssistantGPT is an open‑source SaaS that lets you build no‑code AI chatbots for websites. It auto‑crawls a URL, supports GPT‑4/3.5, handles file attachments, SAML/SSO, API calls, and web search, with GitHub source and Vercel SDK.
Freemium
- $18/mo
Qwen Chat AI assistant that provides access to Qwen LLM models and can be used by content creators, developers, and researchers, offering web and image searches, artifact management, and more to enhance productivity.
Uberduck generates synthetic voices, text‑to‑speech, and AI music in 70+ languages. It supports voice conversion, cloning, and singing, with developer APIs and built‑in music creation for narration, branding, and marketing.
Free
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
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
Openwhispr is an open-source AI voice dictation tool that converts speech to text locally, ensuring privacy. It features instant transcription, customizable settings, and API integration, enhancing productivity for coding, writing, and brainstorming across various applications.
Free trial
YesChat.ai unifies chat, music, video, and image generation in a browser platform, offering DeepSeek‑R1, GPT‑4o, and Claude 3.5 Sonnet for conversation, royalty‑free music from text, text‑to‑video, and image creation. It supports languages and customizable bots for research and marketing.
Subscription
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
Kokoro Web is an open-source AI voice generator offering multilingual text-to-speech capabilities with customizable accents. It features user-defined input profiles, self-hosting options, and model quantization for optimized performance, catering to developers and content creators.
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
OpenCraft AI is a secure, multi‑model copilot that unifies GPT‑4, Claude, and Gemini. It preserves context across model switches, keeps uploaded files accessible, auto‑formats chats into reports or decks, and generates images with consistent voice tone for streamlined workflows.
Paid
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
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.
Free trial
- $29/mo
Omakase.ai is a voice AI chatbot that converts websites into interactive voice sales agents for real-time customer conversations. It offers setup via URL, context-aware responses, guided selling, and analytics without requiring technical expertise.
Free trial
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
Ubdroid AI Answer Engine utilizes open-source language models to provide accurate responses to user queries across various topics. Users can access specific models for free, switch between them, and make up to 10 requests per minute.
Free
Le Chat is an AI assistant that simplifies tasks from everyday questions to complex projects. It combines powerful AI with access to various data sources for comprehensive answers, offering features like search, code analysis, and custom workflow building.
Freemium
SpeechGen.io converts up to 2 million characters into high‑quality neural‑voice audio across 150 languages with 5,000 models. It allows voice, speed, pitch, volume control, SSML tags, background music, multi‑speaker tagging, downloadable formats, and a REST API.
Paid
- $4.99
Whisp converts spoken requirements into production-ready web apps, generating frontend, backend, database schemas, authentication, and integrations with live previews. Voice-driven iteration and code export let teams build, refine, and deploy prototypes or SaaS products.
Subscription
Superwhisper converts spoken language into polished text for any app, works offline, supports 100+ languages with English translation, offers customizable tone and formatting, includes AI meeting assistant, and allows video/audio transcription with GPT/Claude/Llama models.
Freemium
Polyai is an AI-powered voice assistance tool that delivers brand experiences and accurate resolutions to customers in various industries.
Freemium
Chat & Ask AI combines web search, image generation, link analysis, document chat, and YouTube summarization in one interface. It offers up‑to‑date answers, multilingual support, file uploads, and a prompt library, powered by GPT‑5.2, Gemini, Claude, and Stable Diffusion XL.
Free
1minAI unifies text, image, audio, and video AI tools in one interface, supporting GPT‑4, Gemini, Claude, and Mistral. It offers generation, editing, translation, and API integration while keeping data private.
Freemium
- $7/mo
The AI Voice Generator is a versatile tool that creates lifelike voiceovers in 120+ languages and 800+ voices from text inputs. It supports accents, genders, and celebrity mimicry, ideal for content creators and casual users.
Free
The Speak AI tool is a language data analysis and research platform with transcription, data analysis, and sentiment analysis capabilities for various types of media.
Free trial
NaturalReader AI converts PDFs, Word, ePub, web pages, and OCR text into natural‑sounding audio in 90+ languages. It supports voice cloning, offline playback, mobile and Chrome extension access, and includes captions and dyslexia‑friendly fonts.
Freemium
Speechify converts PDFs, DOCX, EPUB, web pages, and more into natural‑sounding audio on iOS, Android, macOS, Windows, and Chrome. It offers an AI assistant that summarizes documents while you listen, supports voice typing, and allows offline access.
Free trial
- $29/mo
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
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
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
SoundHound AI offers a conversational platform for building, deploying, and managing AI agents that listen, reason, and act. It supports customer support, ITSM, HR, and industry modules such as automotive, finance, healthcare, retail, and voice solutions on cloud or edge.
Freemium