ChatTTS
Generative speech model designed specifically for dialogue — best open-source TTS for conversations
4.3/ 539,606 GitHub starsPythonAGPL-3.0
⚡ TL;DR
What
Generative speech model designed specifically for dialogue — best open-source TTS for conversations
Who
Podcast creators, Chatbot developers, Anyone needing dialogue TTS, Game developers needing NPC speech
Catch
GPU recommended
Verdict
⭐⭐⭐⭐ Essential
🎯 The Problem It Solves
You want text-to-speech that sounds natural for dialogue (podcasts, chat bots, conversations) but most TTS sounds robotic. ChatTTS is specifically designed for conversational speech.
🔧 How It Works
ChatTTS is a Python text-to-speech model fine-tuned specifically for dialogue. It produces natural conversational speech with appropriate prosody, pauses, and emphasis. Supports multiple speakers and languages.
🚀 Installation & Quick Start
Installation
pip install ChatTTSQuick Start
- pip install ChatTTS
- import ChatTTS
- chat = ChatTTS.Chat()
- wavs = chat.infer(['Hello, how are you?'])
✅ Pros
- •Best dialogue TTS
- •Most natural conversational speech
- •Multiple speakers
- •Free and open-source
❌ Cons
- •GPU recommended
- •Chinese and English best
- •Less suitable for long-form narration
💬 Practitioner Verdict
"ChatTTS is the best open-source TTS for dialogue. If you need conversational speech, this is the model."
— AI RepoIndex, Security Reviewer
📊 Specifications
- Language
- Python
- License
- AGPL-3.0
- Platform
- Linux, macOS, Windows
- Kill Chain
- None
💰 Pricing Reality
Completely free (AGPL-3.0). No paid tiers.
👥 Community Health
Stars39,606
Forks4,950
Contributors792
Health Score8.5/10
🏷️ Tags
Open SourceGPU Required