Kokoro TTS is an advanced, lightweight text-to-speech AI model that uses only 82 million parameters to generate high-quality, natural-sounding speech. It delivers performance comparable to much larger models while remaining highly efficient and resource-friendly.

What makes Kokoro TTS unique?

Kokoro TTS is unique due to its small model size with high-quality output, its open-source and commercially friendly Apache 2.0 license, its efficient inference suitable for CPU and GPU deployment, its support for real-time audio generation with very low latency (40-70ms on GPU), and its flexible integration including ONNX compatibility and OpenAI API.

What languages and voices does Kokoro TTS support?

Kokoro TTS supports multiple languages including American English, British English, French, Korean, Japanese, and Mandarin. Various voice packs allow customization for different applications.

How much text can Kokoro TTS process at once?

It can handle inputs up to 510 tokens per pass or about 500 characters per generation (5000 characters in streaming mode), allowing efficient synthesis of longer texts like articles or audiobooks.

What are the system requirements and deployment options?

Kokoro TTS runs efficiently on CPUs and GPUs, supports Docker, ONNX deployment, and can also be used as a local server for AI assistants. It aims for broad device compatibility, including setups without dedicated GPUs.

How was Kokoro TTS trained?

The model was trained on a carefully curated dataset of high-quality, permissively licensed audio, ensuring accurate and natural voice synthesis.

What are some key features?

Key features include high quality, natural-sounding speech with minimal artifacts, fast processing suitable for real-time applications, multiple customizable voices and adjustable settings such as speed and silence trimming, automatic content segmentation for audiobook or chapter handling, and open-source code for unrestricted use and modification.

How do I get started with Kokoro TTS?

You can input text on the online demo or install the open-source model. After selecting your voice and adjusting parameters, you generate speech with instant playback and saving options. For developers, integration is possible via API or local server setup.

Is Kokoro TTS free to use?

Yes, it is freely available under the Apache 2.0 license and also offers commercial use permissions. Community support is accessible via Discord or email.

Kokoro TTS

4.6

• 208 views

Kokoro TTS is an AI tool that turns written text into natural-sounding speech. It's super efficient, generating clear, lifelike voices in many languages like English, French, Korean, Japanese, and Mandarin. This makes it great for audiobooks, podcasts, and training videos, helping you create engaging audio content quickly.

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Overview Features Use Cases FAQ Integrations

About Kokoro TTS

Who It's For

Kokoro TTS helps anyone turn text into spoken audio. It's for creators making audiobooks, podcasts, or training videos. Educators can offer audio content, and developers can integrate this efficient, open-source voice tool into their apps for various uses.

What You Get

You receive natural, clear voices that sound truly lifelike. It supports many languages like English, French, Korean, Japanese, and Mandarin. You can also pick from various voice styles. The tool quickly generates audio, even for long texts, and can automatically find chapters for better organization.

How It Works

Just provide your text to the system. Kokoro TTS uses a smart AI model to process your words very fast. It then creates high-quality audio in your chosen language and voice. You can use it online, or easily set it up with your own software, making audio creation simple and quick.

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Features & Capabilities

⚙️ Core TTS Capabilities

82M Parameter Efficiency

Achieves exceptional speech quality with a compact 82 million parameters, ensuring lightweight and resource-efficient performance.

Multilingual Support

Supports multiple languages including English, French, Korean, Japanese, and Mandarin, providing stable and lifelike voice options for diverse content.

Natural Sounding Voices

Delivers high-quality, natural-sounding voice synthesis that rivals and often outperforms larger, more resource-intensive models.

💡 Content Customization & Automation

Customizable Voicepacks

Offers a selection of lifelike voice options to tailor the tone and style of audio output to specific project needs.

Automatic Content Segmentation

Automatically detects chapters and sections, simplifying the conversion of long texts like e-books and articles into well-organized audio.

Flexible Application Use Cases

Ideal for creating audiobooks, podcasts, training videos, and more, with adaptable tools for various content creation needs.

🚀 Performance & Integration

Real-Time Audio Generation

Provides ultra-fast audio synthesis powered by NVIDIA GPU acceleration, ensuring smooth and high-quality processing without delays.

OpenAI-Compatible Endpoint

Seamlessly integrates with OpenAI APIs, allowing developers to easily extend functionality and incorporate Kokoro TTS into diverse applications.

Efficient Long Text Processing

Capable of processing up to 510 tokens in a single pass, making it suitable for generating longer audio outputs quickly and efficiently.

Use Cases

Automating Audiobook Production

E-book publishers and independent authors face the challenge of efficiently converting their written content into high-quality audiobooks, especially for niche titles or multiple languages. Kokoro TTS offers natural-sounding, multilingual voice synthesis with automatic chapter detection and fast processing, enabling seamless and cost-effective audiobook creation for diverse audiences.

Publishing, Content CreationFor: E-book Publishers, Independent Authors, Audiobook Producers

Generating Multilingual E-learning & Corporate Training Audio

Organizations and educators need to create engaging and accessible training materials and e-learning content for diverse, global teams. Kokoro TTS enables the rapid generation of clear, natural-sounding voiceovers in multiple languages for training videos, e-learning modules, and educational content, significantly reducing production time and costs.

Corporate Training, E-learning, EducationFor: Corporate Trainers, Learning & Development Teams, Educational Content Creators

Streamlining Podcast & Digital Media Voiceover Production

Podcast creators and digital media producers often struggle with the time and resources required to record professional voiceovers for their content. Kokoro TTS provides ultra-fast, real-time audio generation with lifelike, customizable voices, allowing creators to quickly transform written scripts into high-quality podcast episodes and other digital audio, enhancing overall production efficiency.

Media Production, Podcasting, Digital Content CreationFor: Podcast Creators, Digital Marketers, Content Producers

Enhancing Digital Content Accessibility

Many organizations and content creators seek effective ways to make digital content accessible to visually impaired or reading-impaired audiences. Kokoro TTS offers a straightforward method to convert various forms of written content into natural-sounding speech, ensuring information is readily available and inclusive for all users, thereby helping meet accessibility standards.

Accessibility Services, Education, Non-profit, GovernmentFor: Accessibility Consultants, Website Managers, Disability Support Professionals

Powering AI Assistants & Conversational Interfaces

Developers building sophisticated AI assistants, interactive voice response systems, or applications requiring dynamic audio output need efficient, high-quality text-to-speech capabilities. Kokoro TTS provides an OpenAI-compatible, open-source model with real-time audio generation and flexible deployment options, enabling seamless integration of natural, low-latency voice into a wide range of AI-powered solutions.

Software Development, AI/ML, SaaSFor: Software Developers, AI Engineers, Product Managers

Frequently asked questions

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