F5 TTS
Fast, Open-Source, Multilingual TTS for Everyone

F5 TTS is a blazing fast, open-source text-to-speech system designed for both researchers and developers. Supporting multiple languages and voices, F5 TTS delivers high-quality speech synthesis with state-of-the-art inference speed. Easily deployable and extensible, it is perfect for real-time applications, batch processing, and academic research. Experience the next generation of TTS technology with F5 TTS!

View F5 TTS on GitHub

Try F5 TTS Now

Experience ultra-fast, open-source text-to-speech with F5 TTS. Generate high-quality, natural speech in English and Chinese, with advanced batch and multi-style support. Perfect for real-time apps, research, and creative projects. Simple setup, MIT licensed, and easy to extend. Try the online demo below!

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What is F5 TTS

Discover this ultra-fast, open-source, multilingual TTS system for developers and researchers.

What is Text to Speech (TTS)? (Quick Recap)

Text to Speech (TTS) is a technology that transforms written text into natural-sounding speech. Modern TTS systems leverage deep learning to produce highly realistic and expressive voices, making them invaluable for accessibility, content creation, and interactive applications.

Meet F5 TTS: Lightning-Fast, Open-Source TTS

F5 TTS is an open-source text-to-speech system designed for both speed and quality. Built for developers and researchers, F5 TTS supports multiple languages and voices, and is optimized for rapid inference—making it ideal for real-time and batch processing scenarios.

Why Choose F5 TTS

Key reasons to use this ultra-fast, open-source, multilingual TTS system.

MIT Licensed & Open Source

F5 TTS is fully open source under the MIT license, so you can use, modify, and distribute it freely for any project—commercial or personal.

Blazing Fast Inference

F5 TTS is optimized for speed, delivering state-of-the-art inference times. It's perfect for real-time applications, batch processing, and interactive systems.

Multilingual & Versatile

Supports multiple languages and voices out of the box. Easily switch between languages or add your own voice models for custom use cases.

Developer & Researcher Friendly

Simple to install, run, and extend. The modular design makes it easy to integrate F5 TTS into your own pipelines, research, or products.

Actively Maintained & Community Driven

F5 TTS is maintained by an active open-source community. Get support, contribute, and help shape the future of TTS technology.

F5 TTS Highlights

See what makes F5 TTS a top choice for fast, open-source, multilingual speech synthesis.

Ultra-Fast Inference

F5 TTS is engineered for speed, delivering lightning-fast inference for real-time and batch TTS applications. Perfect for interactive systems and large-scale processing.

Multilingual & Multi-Voice Support

Switch between multiple languages and voices with ease. F5 TTS is designed to be flexible for global and custom use cases.

MIT Licensed & Open Source

F5 TTS is fully open source under the MIT license. Use, modify, and distribute it freely for any project—commercial or personal.

Easy to Use & Extend

Simple installation and modular design make F5 TTS easy to integrate, run, and extend for your own research or products.

Developer & Researcher Friendly

Built for both developers and researchers, F5 TTS is ideal for prototyping, production, and academic work.

Active Community & Documentation

Supported by an active open-source community and detailed documentation. Get help, contribute, and stay up to date with the latest features.

Who Uses F5 TTS

Developers

Integrate ultra-fast, open-source TTS into web, mobile, or desktop applications for real-time or batch speech synthesis.

AI/ML Researchers

Experiment with and extend a modular, state-of-the-art TTS system for academic or industrial research.

Content Creators

Generate high-quality, multilingual voiceovers for videos, podcasts, audiobooks, and creative projects.

Businesses & Startups

Add scalable, customizable speech synthesis to products, customer service bots, or training materials.

Accessibility Advocates

Implement advanced TTS features for screen readers, assistive tech, and inclusive digital experiences.

Open-Source Enthusiasts

Contribute to and benefit from a vibrant community, helping shape the future of TTS technology.

F5 TTS Frequently Asked Questions

Ready to Try F5 TTS?

Experience the next generation of ultra-fast, open-source text-to-speech. F5 TTS delivers high-quality, natural-sounding speech in multiple languages and voices—perfect for real-time apps, batch processing, and research. Simple to install, MIT licensed, and easy to extend. Click below to start generating speech with F5 TTS!