Best AI tools for< Voice Developer >

Millis AI is an instant, natural, and affordable voice AI platform designed for developers to create cutting-edge voice agents with low latency. The platform offers optimized conversation flow handling, affordable accessibility, seamless integration, and scalable expertise. With rates starting at $0.06/min, Millis AI enables users to build human-like voice agents that can manage interruptions and understand human intent. The platform also provides DevOps engineers' expertise in scaling systems for enterprise-level applications.

Vocode is an open-source voice AI platform that enables users to build, deploy, and scale hyperrealistic voice agents. It offers fully programmable voice bots that can be integrated into workflows without the need for human intervention. With multilingual capability, custom language models, and the ability to connect to knowledge bases, Vocode provides a comprehensive solution for automating actions like scheduling, payments, and more. The platform also offers analytics and monitoring features to track bot performance and customer interactions, making it a valuable tool for businesses looking to enhance customer support and engagement.

Vocera is an AI voice agent testing tool that allows users to test and monitor voice AI agents efficiently. It enables users to launch voice agents in minutes, ensuring a seamless conversational experience. With features like testing against AI-generated datasets, simulating scenarios, and monitoring AI performance, Vocera helps in evaluating and improving voice agent interactions. The tool provides real-time insights, detailed logs, and trend analysis for optimal performance, along with instant notifications for errors and failures. Vocera is designed to work for everyone, offering an intuitive dashboard and data-driven decision-making for continuous improvement.

Elixir is an AI tool designed for observability and testing of AI voice agents. It offers features such as automated testing, call review, monitoring, analytics, tracing, scoring, and reviewing. Elixir helps in simulating realistic test calls, analyzing conversations, identifying mistakes, and debugging issues with audio snippets and call transcripts. It provides detailed traces for complex abstractions, streamlines manual review processes, and allows for simulating thousands of calls for full test coverage. The tool is suitable for monitoring agent performance, detecting anomalies in real-time, and improving conversational systems through human-in-the-loop feedback.

SoundHound is a leading innovator of conversational intelligence and voice AI technologies. Our independent voice AI platform is built for more natural conversation, enabling businesses to create customized and scalable voice AI solutions for their specific industries and use cases. With SoundHound, you can build voice assistants, enhance smart devices, improve customer experiences, and drive business value.

Daily is a platform offering real-time voice, video, and AI solutions for developers. It provides ultra-low latency, open-source SDKs, and enterprise reliability since 2016. Daily collaborates with NVIDIA on Voice Agent Blueprint, offers Pipecat - a vendor-neutral open-source orchestration framework, Daily Bots for Pipecat Cloud deployment, and Daily Infrastructure for running real-time calls on WebRTC global infrastructure. The platform ensures the best video quality on every network, with a global mesh network, low latency, and enterprise-grade security features.

Celebrity AI Voice Generator is a free online tool that allows you to create realistic AI-generated voices of celebrities. With just a short audio clip of the person you want to replicate, you can generate voices that sound incredibly real. The tool is easy to use and offers a variety of features, including the ability to control voice styles, emotions, and accents. You can also use the tool to generate voices in different languages. Celebrity AI Voice Generator is a powerful tool that can be used for a variety of purposes, including creating voiceovers, dubbing videos, and developing video games.

Voice Air is an AI-powered Text to Speech Generator that allows users to create studio-quality audio and video content with advanced AI voices on web and mobile applications. It offers cutting-edge features to enhance content creation, such as human-like voiceovers, award-winning music library, and AI features for content scaling. Voice Air is used in 70+ countries, with 100,000+ downloads and is loved by 12,000+ content creators. The application aims to revolutionize content creation by providing high-quality, natural-sounding voices and innovative features.

TTS Generator AI is a free online text-to-speech tool that leverages cutting-edge AI technology to convert written text into high-quality, natural-sounding audio. This tool is invaluable for a variety of users, including students who need auditory learning materials, researchers who want to listen to long documents, and professionals seeking to make their written content more accessible. One of the standout features of TTS Tool is its ability to support a range of text formats, from simple text files to complex PDFs, making it incredibly versatile.

Retell AI provides a Conversational Voice API that enables developers to integrate human-like voice interactions into their applications. With Retell AI's API, developers can easily connect their own Large Language Models (LLMs) to create AI-powered voice agents that can engage in natural and engaging conversations. Retell AI's API offers a range of features, including ultra-low latency, realistic voices with emotions, interruption handling, and end-of-turn detection, ensuring seamless and lifelike conversations. Developers can also customize various aspects of the conversation experience, such as voice stability, backchanneling, and custom voice cloning, to tailor the AI agent to their specific needs. Retell AI's API is designed to be easy to integrate with existing LLMs and frontend applications, making it accessible to developers of all levels.

VoiceGen is an AI audio platform that enables users to create realistic speech using the best technology from leading providers like OpenAI, Google, AWS, and Azure. It offers natural, high-quality voices with support for multiple languages and unrestricted commercial use. VoiceGen prioritizes simplicity, transparency, and innovation, providing an accessible and affordable solution for voice generation needs. The platform ensures security and privacy of user data, offering a pay-as-you-go pricing model with fair and transparent costs.

Dasha is a conversational AI-as-a-service platform that allows developers to embed realistic voice and text conversational capabilities into their apps or products. With a single integration, developers can create smart conversational apps for web, desktop, mobile, IoT, and call centers. Dasha's declarative programming language, DashaScript, makes it easy to design complex real-world conversations that pass a limited Turing test. Developers can use Dasha to automate call center conversations, recreate the Google Duplex demo, or create no-code GUIs for their users. Dasha's platform is flexible and can be integrated with any platform or programming language. It also offers a free tier for builders and testers.

AssemblyAI is an industry-leading Speech AI tool that offers powerful SpeechAI models for accurate transcription and understanding of speech. It provides breakthrough speech-to-text models, real-time captioning, and advanced speech understanding capabilities. AssemblyAI is designed to help developers build world-class products with unmatched accuracy and transformative audio intelligence.

Vapi is a Voice AI tool designed specifically for developers. It enables developers to interact with their code using voice commands, making the coding process more efficient and hands-free. With Vapi, developers can perform various tasks such as writing code, debugging, and running tests simply by speaking. The tool is equipped with advanced natural language processing capabilities to accurately interpret and execute voice commands. Vapi aims to revolutionize the way developers work by providing a seamless and intuitive coding experience.

Picovoice is an on-device Voice AI and local LLM platform designed for enterprises. It offers a range of voice AI and LLM solutions, including speech-to-text, noise suppression, speaker recognition, speech-to-index, wake word detection, and more. Picovoice empowers developers to build virtual assistants and AI-powered products with compliance, reliability, and scalability in mind. The platform allows enterprises to process data locally without relying on third-party remote servers, ensuring data privacy and security. With a focus on cutting-edge AI technology, Picovoice enables users to stay ahead of the curve and adapt quickly to changing customer needs.

PlayAI is an AI tool designed for businesses and developers to create voice interfaces effortlessly. The platform allows users to generate conversational agents by simply tapping or clicking, enabling them to shuffle, share, and clone voices. PlayAI offers a user-friendly interface for building agents, making it easy to customize and deploy voice interactions. With a focus on simplicity and efficiency, PlayAI aims to revolutionize the way businesses and developers engage with their audience through voice technology.

AssemblyAI is an AI tool that provides industry-leading Speech AI models for accurate speech-to-text, speaker detection, sentiment analysis, chapter detection, PII redaction, and more. It offers powerful outcomes through its breakthrough speech-to-text and speech understanding models, enabling users to unlock the value of voice data, build expertly, and scale effortlessly. AssemblyAI is developer-first, with SDKs that perform reliably, clear and comprehensive developer documentation, and a no-code playground to test AI models. The platform is security-focused, scalable in pricing, and preferred by startups and enterprises for its accuracy, capabilities, and security practices.

Altered Studio is a Voice Content Creation platform that provides exclusive access to our unique Speech-To-Speech Voice Morphing and integrates various Voice AI technologies into a single user friendly application for media production.

Resemble AI is a cutting-edge generative voice AI platform that empowers enterprises with advanced voice cloning, deepfake detection, and AI watermarking capabilities. Our suite of tools enables the creation of realistic synthetic voices, detection of AI-generated content, and protection of intellectual property. With Resemble AI, businesses can enhance customer service, elevate gaming experiences, revolutionize entertainment, and safeguard their digital assets.

SpeechEasy is a high-quality text-to-speech tool that harnesses the power of AI and machine learning to convert text into natural-sounding audio. With SpeechEasy, you can generate studio-grade synthetic voices that are easy to understand and consume, making it perfect for on-the-go listening, home or office use, and e-learning content.

LiveKit Agents for Node.js is a framework designed for building realtime, programmable voice agents that can see, hear, and understand. It includes support for OpenAI Realtime API, allowing for ultra-low latency WebRTC transport between GPT-4o and users' devices. The framework provides concepts like Agents, Workers, and Plugins to create complex tasks. It offers a CLI interface for running agents and a versatile web frontend called 'playground' for building and testing agents. The framework is suitable for developers looking to create conversational voice agents with advanced capabilities.

Wit-unity is a Unity C# based wrapper around the rest apis provided by Wit.ai. It is meant to be used as a base library within Voice SDK. We have made it accessible here for contributions and early adoption testing. Wit-unity is ideal for developers looking to do early research with voice and potential expand the core capabilities of Voice SDK.

Chat-xiuliu is a bidirectional voice assistant powered by ChatGPT, capable of accessing the internet, executing code, reading/writing files, and supporting GPT-4V's image recognition feature. It can also call DALL·E 3 to generate images. The project is a fork from a background of a virtual cat girl named Xiuliu, with removed live chat interaction and added voice input. It can receive questions from microphone or interface, answer them vocally, upload images and PDFs, process tasks through function calls, remember conversation content, search the web, generate images using DALL·E 3, read/write local files, execute JavaScript code in a sandbox, open local files or web pages, customize the cat girl's speaking style, save conversation screenshots, and support Azure OpenAI and other API endpoints in openai format. It also supports setting proxies and various AI models like GPT-4, GPT-3.5, and DALL·E 3.

Kobold-Assistant is a fully offline voice assistant interface to KoboldAI's large language model API. It can work online with the KoboldAI horde and online speech-to-text and text-to-speech models. The assistant, called Jenny by default, uses the latest coqui 'jenny' text to speech model and openAI's whisper speech recognition. Users can customize the assistant name, speech-to-text model, text-to-speech model, and prompts through configuration. The tool requires system packages like GCC, portaudio development libraries, and ffmpeg, along with Python >=3.7, <3.11, and runs on Ubuntu/Debian systems. Users can interact with the assistant through commands like 'serve' and 'list-mics'.

J.A.I.son is a Python project designed for generating responses using various components and applications. It requires specific plugins like STT, T2T, TTSG, and TTSC to function properly. Users can customize responses, voice, and configurations. The project provides a Discord bot, Twitch events and chat integration, and VTube Studio Animation Hotkeyer. It also offers features for managing conversation history, training AI models, and monitoring conversations.

TTS Generation WebUI is a comprehensive tool that provides a user-friendly interface for text-to-speech and voice cloning tasks. It integrates various AI models such as Bark, MusicGen, AudioGen, Tortoise, RVC, Vocos, Demucs, SeamlessM4T, and MAGNeT. The tool offers one-click installers, Google Colab demo, videos for guidance, and extra voices for Bark. Users can generate audio outputs, manage models, caches, and system space for AI projects. The project is open-source and emphasizes ethical and responsible use of AI technology.

Voice-Pro is an integrated solution for subtitles, translation, and TTS. It offers features like multilingual subtitles, live translation, vocal remover, and supports OpenAI Whisper and Open-Source Translator. The tool provides a Studio tab for various functions, Whisper Caption tab for subtitle creation, Translate tab for translation, TTS tab for text-to-speech, Live Translation tab for real-time voice recognition, and Batch tab for processing multiple files. Users can download YouTube videos, improve voice recognition accuracy, create automatic subtitles, and produce multilingual videos with ease. The tool is easy to install with one-click and offers a Web-UI for user convenience.

A Telegram bot that proves you don't need a body to have a personality. It can use various text and image generation APIs to generate responses to user messages. For text generation, the bot can use: * OpenAI's ChatGPT API (or other compatible API). Vision capabilities can be used with GPT-4 models. Function calling can be used with Function calling. * Anthropic's Claude API. Vision capabilities can be used with Claude 3 models. Function calling can be used with tool use. * YandexGPT API Bot can also generate images with: * OpenAI's DALL-E * Stability AI * Yandex ART This bot can also be used to generate responses to voice messages. Bot will convert the voice message to text and will then generate a response. Speech recognition can be done using the OpenAI's Whisper model. To use this feature, you need to install the ffmpeg library. This bot is also support working with files, see Files section for more details. If function calling is enabled, bot can generate images and search the web (limited).

Vocode is an open source library that enables users to build voice-based LLM (Large Language Model) applications quickly and easily. With Vocode, users can create real-time streaming conversations with LLMs and deploy them for phone calls, Zoom meetings, and more. The library offers abstractions and integrations for transcription services, LLMs, and synthesis services, making it a comprehensive tool for voice-based app development. Vocode also provides out-of-the-box integrations with various services like AssemblyAI, OpenAI, Microsoft Azure, and more, allowing users to leverage these services seamlessly in their applications.

ElevenLabs-DotNet is a non-official Eleven Labs voice synthesis RESTful client that allows users to convert text to speech. The library targets .NET 8.0 and above, working across various platforms like console apps, winforms, wpf, and asp.net, and across Windows, Linux, and Mac. Users can authenticate using API keys directly, from a configuration file, or system environment variables. The tool provides functionalities for text to speech conversion, streaming text to speech, accessing voices, dubbing audio or video files, generating sound effects, managing history of synthesized audio clips, and accessing user information and subscription status.

Call GPT is a voice application that utilizes Deepgram for Speech to Text, elevenlabs for Text to Speech, and OpenAI for GPT prompt completion. It allows users to chat with ChatGPT on the phone, providing better transcription, understanding, and speaking capabilities than traditional IVR systems. The app returns responses with low latency, allows user interruptions, maintains chat history, and enables GPT to call external tools. It coordinates data flow between Deepgram, OpenAI, ElevenLabs, and Twilio Media Streams, enhancing voice interactions.

june-va is a local voice chatbot that combines Ollama for language model capabilities, Hugging Face Transformers for speech recognition, and the Coqui TTS Toolkit for text-to-speech synthesis. It provides a flexible, privacy-focused solution for voice-assisted interactions on your local machine, ensuring that no data is sent to external servers. The tool supports various interaction modes including text input/output, voice input/text output, text input/audio output, and voice input/audio output. Users can customize the tool's behavior with a JSON configuration file and utilize voice conversion features for voice cloning. The application can be further customized using a configuration file with attributes for language model, speech-to-text model, and text-to-speech model configurations.

Voicechat2 is a fast, fully local AI voice chat tool that uses WebSockets for communication. It includes a WebSocket server for remote access, default web UI with VAD and Opus support, and modular/swappable SRT, LLM, TTS servers. Users can customize components like SRT, LLM, and TTS servers, and run different models for voice-to-voice communication. The tool aims to reduce latency in voice communication and provides flexibility in server configurations.

Bailing is an open-source voice assistant designed for natural conversations with users. It combines Automatic Speech Recognition (ASR), Voice Activity Detection (VAD), Large Language Model (LLM), and Text-to-Speech (TTS) technologies to provide a high-quality voice interaction experience similar to GPT-4o. Bailing aims to achieve GPT-4o-like conversation effects without the need for GPU, making it suitable for various edge devices and low-resource environments. The project features efficient open-source models, modular design allowing for module replacement and upgrades, support for memory function, tool integration for information retrieval and task execution via voice commands, and efficient task management with progress tracking and reminders.

Vocode is an open source library that enables users to easily build voice-based LLM (Large Language Model) apps. With Vocode, users can create real-time streaming conversations with LLMs and deploy them for phone calls, Zoom meetings, and more. The library offers abstractions and integrations for transcription services, LLMs, and synthesis services, making it a comprehensive tool for voice-based applications.

VoiceBench is a repository containing code and data for benchmarking LLM-Based Voice Assistants. It includes a leaderboard with rankings of various voice assistant models based on different evaluation metrics. The repository provides setup instructions, datasets, evaluation procedures, and a curated list of awesome voice assistants. Users can submit new voice assistant results through the issue tracker for updates on the ranking list.

OpenVoiceChat is an open-source tool designed for having natural voice conversations with an LLM model. It supports various speech-to-text (STT), text-to-speech (TTS), and large language model (LLM) models. The tool aims to provide an alternative to closed commercial implementations, with well-abstracted APIs that are easy to use and extend. Users can install base and functionality-specific packages using pip, and the tool supports interruptions during conversations. The project encourages contributions through bounties and has a detailed roadmap available for reference.

Luna AI is a virtual streamer driven by a 'brain' composed of ChatterBot, GPT, Claude, langchain, chatglm, text-generation-webui, 讯飞星火, 智谱AI. It can interact with viewers in real-time during live streams on platforms like Bilibili, Douyin, Kuaishou, Douyu, or chat with you locally. Luna AI uses natural language processing and text-to-speech technologies like Edge-TTS, VITS-Fast, elevenlabs, bark-gui, VALL-E-X to generate responses to viewer questions and can change voice using so-vits-svc, DDSP-SVC. It can also collaborate with Stable Diffusion for drawing displays and loop custom texts. This project is completely free, and any identical copycat selling programs are pirated, please stop them promptly.

AIAvatarKit is a tool for building AI-based conversational avatars quickly. It supports various platforms like VRChat and cluster, along with real-world devices. The tool is extensible, allowing unlimited capabilities based on user needs. It requires VOICEVOX API, Google or Azure Speech Services API keys, and Python 3.10. Users can start conversations out of the box and enjoy seamless interactions with the avatars.

ChatTTS is a generative speech model optimized for dialogue scenarios, providing natural and expressive speech synthesis with fine-grained control over prosodic features. It supports multiple speakers and surpasses most open-source TTS models in terms of prosody. The model is trained with 100,000+ hours of Chinese and English audio data, and the open-source version on HuggingFace is a 40,000-hour pre-trained model without SFT. The roadmap includes open-sourcing additional features like VQ encoder, multi-emotion control, and streaming audio generation. The tool is intended for academic and research use only, with precautions taken to limit potential misuse.

Your friendly AI assistant for voice-based dating, offering personalized tips, safety advice, and fun interactions.

Your AI bridge to the Internet of Things! Easily connect, control, and automate your smart devices with voice or text commands. 🏠💎

Guides users on Salesforce Devops products and services in the voice of Vernon Keenan from SalesforceDevops.net

Professional voice for SFCC B2C Commerce Cloud expertise. 🔒 Unlock the full potential of B2C Commerce Cloud

Assistant focused on teaching concepts, evaluating comprehension, and recommending subsequent topics. USE WITH VOICE.

Friendly and casual assistant for creating Ren'Py visual novels

Choose a target persona and see if ChatGPT correctly impersonates the American

Expert in character acting and formal responses

I create engaging homeschool curricula for preschool to 2nd grade, focusing on inclusivity and interactive learning.

Expert in crafting and refining brand voices.

协助你撰写商业创意文案

Write like Apple

Copywriter for urban clothing brand's Instagram

Emulates David Ogilvy's persuasive, clear writing style.

Hi ;) Ask me for data & insights gathered from an environmentally aware global community

A guide for defining GPT content voice

I'm a voice coach here to train your voice.

I can give your product a voice that resonates.

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Especialista em Fonoaudiologia, baseado em dados brasileiros