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KokoroTTS: lightweight, open-source multilingual text-to-speech delivering natural, real-time, offline voice synthesis.
Kokoro_AIKokoroTTS is an advanced yet lightweight text-to-speech system designed to make natural voice accessible to everyone. Unlike large models that require heavy resources, KokoroTTS uses only 82 million parameters, making it fast, efficient, and capable of running on everyday hardware. With its open-source license, anyone can use it, customize it, or even build products with it.
The model produces speech that feels human-like, with clear pronunciation and smooth rhythm. It supports a wide range of languages, including English, French, Japanese, Korean, and Chinese, making it useful for global projects. KokoroTTS also comes with multiple voice options, so creators can choose the style and tone that fits their needs.
Because it’s lightweight, KokoroTTS runs in real time, making it perfect for local apps, voice assistants, or tools that don’t rely on cloud services. This helps reduce costs, keeps user data private, and ensures fast performance.
Features
Compact and Efficient KokoroTTS uses only 82 million parameters, yet delivers natural-sounding speech. Its small size means it runs quickly and smoothly, even on standard laptops or mobile devices, without needing powerful GPUs or cloud servers.
Open-Source and Free KokoroTTS is licensed openly, which allows anyone to use, share, or adapt it. Businesses, developers, and hobbyists can integrate it into their projects without restrictions or expensive subscriptions.
Multi-Language and Multi-Voice Support The model supports several languages, including English, French, Japanese, Korean, and Chinese. With multiple voice styles available, it can adapt to different use cases, from formal narration to casual dialogue.
Real-Time and Offline Performance KokoroTTS runs fast enough to generate speech in real time. It can also run locally without an internet connection, making it ideal for apps, embedded systems, and privacy-focused tools.
Use Cases
Audiobooks and E-Learning Turn written books, study notes, or training materials into spoken audio that is clear, smooth, and engaging. Perfect for students, teachers, or creators of online courses.
Podcasts and Video Narration Quickly transform scripts into high-quality voice-overs for podcasts, YouTube videos, or presentations, without hiring voice actors or using paid services.
Accessibility Solutions Provide better access for people with visual impairments or reading difficulties. KokoroTTS can read web pages, documents, and apps aloud in multiple languages.
Voice Assistants and Local Apps Integrate KokoroTTS into apps, bots, or devices that require natural speech output. Its ability to run offline makes it reliable, cost-effective, and secure.
