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Voice AI research lab offering emotionally intelligent speech models and APIs for developers building empathic voice applications.
Turns PDFs and pasted text into short TikTok-style meme videos aimed at students who want quicker, stickier study recall.
Free web tool for swapping one or many faces in photos and videos, aimed at memes and group-clip edits.
Free Chrome extension that reads aloud webpages, Google Docs, PDFs, and ebooks in 60+ languages with premium voice upgrades.
Full-featured text-to-speech studio with standard and neural voices plus SSML-level controls for developers and creators.
No public pricing
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
- ✦Converts PDFs or pasted text into short meme-style study videos
- ✦Three output modes: quirky Brainrot, interactive Quiz, or plain Raw video
- ✦Selectable narrator voices with different accents and tones
- ✦Custom or library background music and video overlays
- ✦Works across any subject or document type
- ✦Fast turnaround, generating clips in seconds
- ✦Credit-based free daily allowance plus paid credit packs
- ✦Swaps multiple faces in one video simultaneously
- ✦Automatic face detection
- ✦Supports MP4, MOV and M4V up to 500MB or 10 minutes
- ✦Browser-based, no install, works on mobile
- ✦Uploaded files deleted after 7 days
- ✦Free to use
- ✦Sibling Beauty AI tools cover photo face swap, multi-picture swap and single video face swap
- ✦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
- ✦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
- →Building empathic voice assistants
- →Measuring emotional expression in speech
- →Running human evaluations of voice models
- →Adding emotional intelligence to apps
- →Cramming for exams with entertaining, memorable clips
- →Teachers producing engaging content for remote or online classes
- →Turning lecture notes or articles into shareable social-style videos
- →Corporate trainers making quirky training or onboarding clips
- →Swapping faces in group videos
- →Creating memes and reaction clips
- →Editing photos for social sharing
- →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
- →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