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Voice AI research lab offering emotionally intelligent speech models and APIs for developers building empathic voice applications.
Full-featured text-to-speech studio with standard and neural voices plus SSML-level controls for developers and creators.
Free browser-based text-to-speech tool with a large multilingual voice library and adjustable tone, speed, and pitch.
No-signup AI music generator making royalty-free songs up to 8 minutes from text or lyrics, with vocal and video tools.
AI music generator turning text prompts into full vocal songs, MP3s and singer videos for creators.
No public pricing
No public pricing
No public pricing
Free trial available
Free trial available
- ✦Empathic, emotionally intelligent voice models
- ✦Human-feedback and evaluation APIs
- ✦Open-source models and datasets
- ✦Coverage of 50+ languages and dozens of emotions
- ✦Expression measurement and speech tooling
- ✦Standard and neural AI voice engines
- ✦Multiple Pro voice models (Expressive, High-Res, Turbo)
- ✦Fine-tuned controls for pause, pitch, speed, volume, emphasis
- ✦SSML support with a pronunciation editor (paid plans)
- ✦Voice cloning and custom voice collections
- ✦Speech-to-speech voice conversion
- ✦Subtitle (.srt/.txt) generation alongside audio
- ✦Free online text-to-speech conversion, no signup required
- ✦Voice library spanning 25+ languages and regional accents
- ✦Adjustable speed, pitch, and emotional tone presets
- ✦Use cases for audiobooks, podcasts, and video dubbing
- ✦Separate paid desktop app for unlimited offline bulk conversion
- ✦Text- and lyric-to-music generation
- ✦Royalty-free output with commercial license
- ✦Vocal remover and voice changer
- ✦Music video generator
- ✦Multi-language support
- ✦No signup needed for free tier
- ✦Text/lyric-prompt song generation with chosen style and genre
- ✦Male, female or instrumental vocal options
- ✦Songs up to eight minutes long
- ✦Singer video generation from a portrait and a track
- ✦Voice upload to create songs in your own voice
- ✦MP3 and MP4 export
- →Building empathic voice assistants
- →Measuring emotional expression in speech
- →Running human evaluations of voice models
- →Adding emotional intelligence to apps
- →Developers building TTS into products via API
- →Content creators producing narration for videos or IVR systems
- →Businesses needing multilingual, accent-specific voiceovers
- →Creators fine-tuning pacing and pronunciation for polished audio
- →Narrating short stories or articles into audio
- →Creating voiceovers for videos or podcast intros
- →Generating multilingual audio clips for accessibility
- →Converting large documents to speech in bulk via the paid desktop app
- →Create copyright-free music for videos and ads
- →Generate custom songs and jingles
- →Make instrumental or cover versions
- →Background music for YouTube, TikTok and Twitch content
- →Custom jingles for ads and promos
- →Soundtracks and effects for game development
- →Practice tracks and style examples for music education
- →Personalized songs for special occasions