Kyutai TTS is a real-time text-to-speech model suite from Kyutai, released as open source. It includes Kyutai Pocket TTS, a 100 million parameter model that runs on a standard CPU, and Kyutai TTS 1.6B, which begins generating audio before the full input text is received.
Hume AI is a research lab developing empathic voice AI. Its Octave engine provides text-to-speech with emotional delivery, and its Empathic Voice Interface offers a speech-to-speech API for conversational applications.
Boson AI develops audio generation and speech recognition technologies for human-like communication with AI. Its offerings include expressive text-to-speech, multi-speaker dialogue generation, context-aware speech transcription, and interactive demos.
Wispr Flow is an AI voice dictation application for Mac, Windows and iPhone that turns speech into edited, structured text. It supports over 100 languages and adjusts tone and vocabulary to the app in use.
AudioX is a Diffusion Transformer model for generating sound effects and music from text, video, images, and existing audio. It was trained with a multi-modal masked training strategy and datasets of audio and music captions.
SPEECHMA is a web-based text-to-speech platform that converts typed or pasted text into audio using a library of over 400 AI voices in more than 40 languages. Generated audio files can be downloaded, and the service is offered free of charge.
Lovevoice is an online AI voice generator that converts written text into speech using nearly 300 voices across more than 70 languages. Users can adjust speed, pitch and volume, and download the generated audio as MP3 files.
NaturalReader is a text-to-speech platform developed by NaturalSoft Limited that reads documents and text aloud using AI voices in over 50 languages. It also offers voice cloning and a voiceover generator studio for creating audio content.
Nari Dia is a text-to-speech tool developed by Nari Labs that converts text into synthesized audio. It offers speech extension to continue existing audio and generates clips ranging from short samples to longer speeches.
Udio is a web platform for generating original music from text descriptions using AI. Users can create, publish and share tracks, export stems to digital audio workstations, and upload their own audio for editing.
Riffusion is a web platform that generates music from text descriptions using AI models. Users can enter text prompts, listen to the generated audio, iterate on results, and browse featured playlists and profiles shared by others.
Jellypod is an AI podcast studio that generates podcast episodes from sources such as websites and PDFs, with AI host voices, a transcript editor and free hosting for distribution to platforms like Spotify, YouTube and Apple Podcasts.
YuE is an open-source foundation model for music generation that turns lyrics into complete songs, including vocal tracks and accompaniment. It supports several languages and genres and can use an existing piece of music as in-context reference.
Deepgram provides voice AI APIs for text-to-speech, speech-to-text, and speech-to-speech communication, along with a Voice Agent API and an Audio Intelligence API for analyzing audio data. The platform is aimed at developers building voice-enabled applications.
PlayHT is an AI voice generator that converts written text into speech audio in MP3 and WAV formats. It offers a library of AI voices across many languages and accents, along with voice cloning, a multi-voice studio and a voice generation API. The brand's PlayDialog beta model creates conversational speech.
OuteTTS-0.3-1B is an open-source text-to-speech model from OuteAI, built on the OLMo-1B base model. It supports English, Japanese, Korean, Chinese, French and German, and is used through the outetts Python package.
Kokoro-82M is an open-weight text-to-speech model with 82 million parameters, released by hexgrad on Hugging Face under an Apache 2.0 license. It converts written text into spoken American and British English audio and offers several selectable voicepacks.
iRocket is a company offering software for digital privacy. Its products include LocSpoof, which changes GPS location on iOS and Android, VoxTalker, an AI voice generator and dubbing tool, and iCreaVoice, a real-time voice changer.
RealtimeSTT is an open-source Python library for low-latency speech-to-text in real-time applications. It provides voice activity detection, wake word activation and instant transcription, using components such as WebRTCVAD, SileroVAD and Faster Whisper.
Ultravox is an open-source speech language model that processes speech directly rather than converting it to text first. It is designed for building voice agents that can be integrated into web and VoIP platforms, including Twilio.