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ChatTTS

4.4/5Free / Open Source
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An open-source text-to-speech model optimized for natural, conversational dialogue. ChatTTS produces expressive, human-like speech with laughs and pauses — ideal for chatbots, assistants and dialogue-driven content.

What is ChatTTS?

An open-source text-to-speech model optimized for natural, conversational dialogue. ChatTTS produces expressive, human-like speech with laughs and pauses — ideal for chatbots, assistants and dialogue-driven content.

ChatTTS sits in the audio category and is listed in the AIverse AI tools directory, where it holds an editorial rating of 4.4 out of 5 based on its capabilities, usability, value for money and reliability. It is developed by ChatTTS, founded in 2024.

ChatTTS features and use cases

People typically use ChatTTS for Chatbot & assistant voices, Dialogue content, Interactive apps and Voice UX prototyping.

It is often associated with Open Source, Text-to-Speech, Conversational and Audio.

ChatTTS pricing

ChatTTS is completely free (Free / Open Source). You can use it without a subscription.

As with any AI tool, the right plan depends on how heavily you use it. We recommend trying ChatTTS before committing to a paid plan.

Is ChatTTS worth it? Our bottom line

Overall, ChatTTS is a strong choice in the audio category for 2026. Its standout strengths include Very natural conversational speech and Expressive (laughs, pauses). Bear in mind Fewer languages than some rivals and Developer setup. If it matches your workflow, ChatTTS is well worth a try — especially since you can start for free.

✅ Our verdict

ChatTTS is the open-source pick when you want natural, conversational speech for chatbots and assistants — expressive output with laughs and pauses, free to self-host. Best for dialogue-driven experiences rather than long-form narration.

👍 Pros

  • +Very natural conversational speech
  • +Expressive (laughs, pauses)
  • +Great for chatbots & assistants
  • +Free and open source
  • +English and Chinese support

👎 Cons

  • −Fewer languages than some rivals
  • −Developer setup
  • −GPU recommended
  • −Not a finished app

🎯 Use cases

Chatbot & assistant voicesDialogue contentInteractive appsVoice UX prototyping

ℹ️ Key facts

Company
ChatTTS
Founded
2024

Last updated: Aug 2026

4.4
Rating
9.5k
Views
Free
Pricing

🔀 Compare ChatTTS with

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Try ChatTTS Now

An open-source text-to-speech model optimized for natural, conversational dialogue. ChatTTS produces expressive, human-like speech with laughs and pauses — ideal for chatbots, assistants and dialogue-driven content.

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❓ Frequently Asked Questions

Is ChatTTS free?

Yes, ChatTTS is completely free to use, with no paid plan required to access its core features.

What is ChatTTS used for?

ChatTTS is an AI audio tool. An open-source text-to-speech model optimized for natural, conversational dialogue. ChatTTS produces expressive, human-like speech with laughs and pauses — ideal for chatbots, assistants and dialogue-driven content. It currently holds a 4.4/5 rating on Aiverse from real users.

Is ChatTTS worth it in 2026?

ChatTTS is a solid choice with a 4.4/5 rating on Aiverse — a reliable option in the audio category, though it's worth comparing alternatives below for your specific needs.