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Voice AI research lab offering emotionally intelligent speech models and APIs for developers building empathic voice applications.
Online text-to-speech converting text, URLs, PDFs and images into natural multilingual AI voice audio.
AI voice suite for TTS, voice cloning, podcasts, audiobooks and transcription with 900+ voices across 140+ languages.
Free online text-to-speech with 200+ voices across 70+ languages, exporting MP3 for creators and study use.
Free browser-based text-to-MP3 converter using Amazon Polly voices across 28+ languages with SSML controls.
No public pricing
Free trial available
Free trial available
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
- ✦Text, URL, PDF and image to speech
- ✦Large multilingual AI voice library
- ✦Transcription and image translation
- ✦Voice cloning and speech-to-speech
- ✦Two-speaker AI podcast studio
- ✦Commercial-use audio downloads
- ✦Text-to-speech with 900+ voices, 140+ languages
- ✦Voice cloning and voice design
- ✦AI podcast, audiobook and music generation
- ✦Speech-to-text and MP3-to-text transcription
- ✦Vocal remover and audio tools
- ✦200+ AI voices in 70+ languages
- ✦Text and document (PDF/TXT) to speech
- ✦Adjustable speech rate and pitch
- ✦MP3 download
- ✦Voice cloning and audiobook tools
- ✦Text-to-MP3 conversion powered by AWS Polly
- ✦28+ languages and multiple regional accents/voices
- ✦SSML tags for pauses, emphasis, speed, and pitch
- ✦Multi-speaker conversation formatting
- ✦Daily free character limit (~3,000 characters)
- →Building empathic voice assistants
- →Measuring emotional expression in speech
- →Running human evaluations of voice models
- →Adding emotional intelligence to apps
- →Producing audiobooks and podcasts
- →Creating video voiceovers
- →Turning documents into audio
- →Making multilingual audio content
- →Create voiceovers for videos and content
- →Clone or design custom voices
- →Transcribe audio and produce podcasts
- →Voice over YouTube or TikTok content
- →Convert documents to audio
- →Create audiobooks or study material
- →Creating narration for e-learning or presentations
- →Adding accessible audio to websites
- →Producing quick voiceovers for YouTube videos
- →Generating multi-character dialogue audio clips