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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.
Text-to-speech app that turns PDFs, images and documents into natural AI narration for listening, plus voiceover creation.
Free Chrome extension that reads aloud webpages, Google Docs, PDFs, and ebooks in 60+ languages with premium voice upgrades.
Text-to-speech generator for creators and educators who want a large multilingual voice library with emotional tone control.
No public pricing
No public pricing
No public pricing
No public pricing
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
- ✦TTS from PDFs, images and text
- ✦Word/sentence highlighting for read-along
- ✦Playback speed up to 4x
- ✦Support for many languages
- ✦Multiple natural AI voices and styles
- ✦Voiceover creation; iOS and Android apps
- ✦Text-to-speech reading across webpages, Docs, PDFs, and email
- ✦Support for 60+ languages and 100+ voices
- ✦Adjustable reading speed, pitch, and volume
- ✦Background listening while browsing
- ✦Highlighting of text as it's read aloud
- ✦Minimal permissions with no data tracking claimed
- ✦450+ AI voices across 120+ languages and accents
- ✦Adjustable pitch, speed, and emotional delivery
- ✦Voice options across child, adult, and elderly age ranges
- ✦Commercial usage rights included on paid plans
- ✦Free account available to test voices before purchase
- →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
- →Listen to documents while multitasking
- →Study and improve retention
- →Create voiceovers for projects
- →Accessibility for reading difficulties
- →Language learners listening while reading text
- →People with reading disabilities or visual impairment
- →Multitasking users listening to articles or documents hands-free
- →Editors and writers catching errors by hearing their drafts read aloud
- →Creating podcast or video voiceovers
- →Producing multilingual audio content
- →Generating character voices for games or animation
- →Building lesson or educational audio content