The First Open Source TTS with Emotion Control

Chatterbox TTS (Text to Speech) outperforms ElevenLabs in blind tests with 63.75% user preference. Chatterbox TTS (Text to Speech) is MIT licensed, production-ready, and completely free to use.

63.75% Prefer over ElevenLabs
<200ms Ultra-low latency
500K Training hours
0.5B Parameters
Try Demo View on GitHub

Try Chatterbox Live Demo

Experience the power of Chatterbox TTS with emotion control. Chatterbox TTS converts text to speech instantly in your browser with unmatched quality.

Want to integrate Chatterbox into your project?

View Installation Guide

Why Choose Chatterbox?

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Emotion Control

Chatterbox TTS is the first open source TTS with emotion exaggeration control. Chatterbox TTS lets you fine-tune intensity and emotional expression for compelling content.

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Ultra-Fast Inference

Chatterbox TTS delivers sub-200ms latency for real-time applications. Chatterbox TTS is perfect for AI agents, interactive media, and live dubbing.

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MIT Licensed

Chatterbox TTS is completely free and open source. Chatterbox TTS can be used, modified, and distributed without restrictions. No vendor lock-in.

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State-of-the-Art Quality

Chatterbox TTS is trained on 500K hours of cleaned data. Chatterbox TTS consistently outperforms closed-source systems in blind evaluations.

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Built-in Watermarking

Chatterbox TTS includes PerTh neural watermarking that ensures responsible AI with 100% detection accuracy, even after audio editing.

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Easy Integration

Chatterbox TTS offers simple pip install with comprehensive documentation. Chatterbox TTS is built by developers, for developers.

Chatterbox vs Competition

Feature Chatterbox ElevenLabs Google TTS Azure TTS
License MIT (Free) Proprietary Proprietary Proprietary
Emotion Control ✅ Advanced ✅ Basic ❌ ❌
Latency <200ms ~300ms ~400ms ~500ms
User Preference 63.75% 36.25% N/A N/A
Watermarking ✅ Built-in ❌ ❌ ❌
Voice Cloning ✅ Yes ✅ Yes ❌ ✅ Limited

What People Are Saying About Chatterbox TTS

Discover how Chatterbox TTS is revolutionizing text-to-speech technology with its advanced emotion control and superior quality.

Getting Started with Chatterbox TTS

Integrate Chatterbox TTS into your project in just a few simple steps.

1

Install Chatterbox TTS

pip install chatterbox-tts

Chatterbox TTS can be installed with a simple pip command. The package includes all necessary dependencies.

2

Import and Initialize

from chatterbox import ChatterboxTTS # Initialize with default settings chatterbox = ChatterboxTTS()

Chatterbox TTS provides a simple API that makes text-to-speech conversion straightforward and efficient.

3

Generate Speech

# Basic usage audio = chatterbox.synthesize("Hello world!") # With emotion control audio = chatterbox.synthesize( "I'm so excited to try Chatterbox TTS!", emotion_intensity=0.8 )

Chatterbox TTS allows you to control emotion intensity for more expressive and natural-sounding speech.

Why Developers Choose Chatterbox TTS

  • Chatterbox TTS offers unparalleled voice quality with minimal latency
  • Chatterbox TTS provides built-in watermarking for responsible AI use
  • Chatterbox TTS supports multiple languages and voice styles
  • Chatterbox TTS enables fine-grained emotion control for natural expression
  • Chatterbox TTS is completely free and open source under MIT license
  • Chatterbox TTS outperforms proprietary solutions in blind tests
  • Chatterbox TTS integrates seamlessly with popular frameworks
  • Chatterbox TTS requires minimal computational resources
  • Chatterbox TTS comes with comprehensive documentation
  • Chatterbox TTS has an active community of contributors

Popular Use Cases for Chatterbox TTS

Discover how Chatterbox TTS is transforming various industries with its advanced capabilities.

Content Creation

Chatterbox TTS helps content creators produce high-quality voiceovers for videos, podcasts, and audiobooks. Chatterbox TTS enhances storytelling with emotional depth.

Accessibility

Chatterbox TTS makes digital content accessible to visually impaired users with natural-sounding speech. Chatterbox TTS improves comprehension with proper intonation.

AI Assistants

Chatterbox TTS gives AI assistants expressive voices that enhance user engagement and satisfaction. Chatterbox TTS creates more human-like interactions.

Gaming

Chatterbox TTS enables dynamic NPC dialogue generation with appropriate emotional context. Chatterbox TTS brings game characters to life with realistic voices.

E-Learning

Chatterbox TTS creates engaging educational content with voices that maintain student attention. Chatterbox TTS adapts tone to match educational material.

Customer Service

Chatterbox TTS powers automated customer service systems with natural-sounding responses. Chatterbox TTS conveys empathy in customer interactions.