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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.
Text-to-speech and voice-typing assistant that reads PDFs and web pages aloud and dictates text across apps, for readers and multitaskers.
Browser TTS generator with thousands of voices in 150 languages for marketers, e-learning teams and IVR builders needing fast voiceovers.
No public pricing
No public pricing
No public pricing
- ✦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
- ✦1,000+ natural-sounding AI voices in 60+ languages
- ✦Adjustable playback speed up to 5x
- ✦Text highlighting synced to audio
- ✦Scan-and-listen photo-to-speech
- ✦Voice dictation/typing across apps
- ✦AI podcast generation from documents
- ✦Voice AI assistant for Q&A on read content
- ✦Cloud storage integrations (Drive, Dropbox, OneDrive)
- ✦Over 5,000 AI voices across 150 languages
- ✦Adjustable speed, pitch, volume and pause timing
- ✦SSML controls for intonation and pronunciation
- ✦Background music mixing
- ✦Bulk conversion of long documents up to 1M characters
- ✦Upload of DOCX, PDF or SRT source files
- ✦Commercial usage license included
- ✦Multiple export formats and bitrates
- →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
- →Listening to long articles, PDFs or emails hands-free
- →Studying by having textbooks or lecture notes read aloud
- →Dictating text faster than typing across apps
- →Turning documents into podcast-style audio
- →Reducing eye strain from extensive reading
- →Producing marketing or product-explainer voiceovers on tight deadlines
- →Creating multilingual e-learning narration
- →Building bilingual phone/IVR prompts for small businesses
- →Generating narration for audio guides and tours
- →Localizing video content into other languages