---
title: "ChatTTS vs Voice-Cloning-App"
type: "comparison"
canonical_url: "https://www.graphcanon.com/compare/2noise-chattts-vs-voice-cloning-app-voice-cloning-app"
tools: ["2noise-chattts", "voice-cloning-app-voice-cloning-app"]
---

# ChatTTS vs Voice-Cloning-App

*GraphCanon updated Jul 11, 2026*

## Verdict

Pick ChatTTS when license: ChatTTS is AGPL-3.0, Voice-Cloning-App is BSD-3-Clause; pick Voice-Cloning-App when license: Voice-Cloning-App is BSD-3-Clause, ChatTTS is AGPL-3.0.

[ChatTTS](https://2noise.com) reports 40k GitHub stars, 4.2k forks, and 63 open issues, last pushed Apr 10, 2026. [Voice-Cloning-App](https://github.com/voice-cloning-app/Voice-Cloning-App) has 1.4k stars, 239 forks, and 46 open issues, last pushed Dec 2, 2024. Figures are from public GitHub metadata via [ChatTTS's repository](https://github.com/2noise/ChatTTS) and [Voice-Cloning-App's repository](https://github.com/voice-cloning-app/Voice-Cloning-App).

| | [ChatTTS](/tools/2noise-chattts.md) | [Voice-Cloning-App](/tools/voice-cloning-app-voice-cloning-app.md) |
| --- | --- | --- |
| Tagline | A generative speech model for daily dialogue | A Python/Pytorch app for easily synthesising human voices |
| Stars | 39,593 | 1,439 |
| Forks | 4,249 | 239 |
| Open issues | 63 | 46 |
| Language | Python | Python |
| Adopt for | ChatTTS is a Python-based repository for generating speech tailored to everyday conversations in both Chinese and English. | - |
| Persona | - | - |
| Runtime | - | - |
| License | Licensed under AGPL-3.0, which allows for free use, distribution, and modification as long as these rights are maintained in derivative works. | BSD-3-Clause |
| Categories | AI Agents, Speech & Audio | Model Training, Speech & Audio |

## Trust and health

_Sourced signals - not a safety guarantee. No winner column._

| | [ChatTTS](/tools/2noise-chattts.md) | [Voice-Cloning-App](/tools/voice-cloning-app-voice-cloning-app.md) |
| --- | --- | --- |
| Maintenance | Slowing (36%) | Dormant (18%) |
| Days since push | 91d | 586d |
| Open issues (now) | 63 | 46 |
| Security scan | No lockfile | 92 low (92 low) |
| Full report | [trust report](/tools/2noise-chattts/trust.md) | [trust report](/tools/voice-cloning-app-voice-cloning-app/trust.md) |

## Decision facts: ChatTTS

- **Hosting:** unknown
- **Requirements:** Python-based implementation means that familiarity with Python is necessary for effective use.
- **Adopt for:** ChatTTS is a Python-based repository for generating speech tailored to everyday conversations in both Chinese and English.
- **License detail:** Licensed under AGPL-3.0, which allows for free use, distribution, and modification as long as these rights are maintained in derivative works.

## Choose when

### Choose ChatTTS if…

- License: ChatTTS is AGPL-3.0, Voice-Cloning-App is BSD-3-Clause.
- Requirements: Python-based implementation means that familiarity with Python is necessary for effective use..
- Tags unique to ChatTTS: agent, chatgpt, chattts, chinese-language.
- Also covers AI Agents.
- Use ChatTTS when you require text-to-speech functionality for daily dialogue applications, especially those involving Chinese or English languages.

### Choose Voice-Cloning-App if…

- License: Voice-Cloning-App is BSD-3-Clause, ChatTTS is AGPL-3.0.
- Tags unique to Voice-Cloning-App: deep-learning, python, pytorch, tacotron2.
- Also covers Model Training.
- Voice-Cloning-App ships Docker support for self-hosted deployment.

## When NOT to use ChatTTS

- Avoid using ChatTTS in environments where the speech generation model is expected to handle complex technical jargon or specialized vocabulary, as it's optimized for daily conversation.
- Do not use ChatTTS if your project requires the integration of more than two languages simultaneously due to its current support for only Chinese and English.

## When NOT to use Voice-Cloning-App

- Last GitHub push was 587 days ago (dormant maintenance, Dec 2, 2024). Validate activity before betting a new project on Voice-Cloning-App.
- Model Training: Try prompting and RAG first; fine-tuning is the answer to style/format, not missing knowledge.

## Common questions

### What is the difference between ChatTTS and Voice-Cloning-App?

ChatTTS: A generative speech model for daily dialogue. Voice-Cloning-App: A Python/Pytorch app for easily synthesising human voices. See the comparison table for live GitHub stats and shared categories.

### When should I choose ChatTTS over Voice-Cloning-App?

Choose ChatTTS over Voice-Cloning-App when License: ChatTTS is AGPL-3.0, Voice-Cloning-App is BSD-3-Clause; Requirements: Python-based implementation means that familiarity with Python is necessary for effective use.; Tags unique to ChatTTS: agent, chatgpt, chattts, chinese-language; Also covers AI Agents; Use ChatTTS when you require text-to-speech functionality for daily dialogue applications, especially those involving Chinese or English languages.

### When should I choose Voice-Cloning-App over ChatTTS?

Choose Voice-Cloning-App over ChatTTS when License: Voice-Cloning-App is BSD-3-Clause, ChatTTS is AGPL-3.0; Tags unique to Voice-Cloning-App: deep-learning, python, pytorch, tacotron2; Also covers Model Training; Voice-Cloning-App ships Docker support for self-hosted deployment.

### When should I avoid ChatTTS?

Avoid using ChatTTS in environments where the speech generation model is expected to handle complex technical jargon or specialized vocabulary, as it's optimized for daily conversation. Do not use ChatTTS if your project requires the integration of more than two languages simultaneously due to its current support for only Chinese and English.

### When should I avoid Voice-Cloning-App?

Last GitHub push was 587 days ago (dormant maintenance, Dec 2, 2024). Validate activity before betting a new project on Voice-Cloning-App. Model Training: Try prompting and RAG first; fine-tuning is the answer to style/format, not missing knowledge.

### Is ChatTTS or Voice-Cloning-App more popular on GitHub?

ChatTTS has more GitHub stars (39,593 vs 1,439). Stars measure visibility, not whether either tool fits your constraints.

### Are ChatTTS and Voice-Cloning-App open source?

Yes - both are open-source projects on GitHub (ChatTTS: AGPL-3.0, Voice-Cloning-App: BSD-3-Clause).

### Where can I find alternatives to ChatTTS or Voice-Cloning-App?

GraphCanon lists graph-backed alternatives at [ChatTTS alternatives](/tools/2noise-chattts/alternatives) and [Voice-Cloning-App alternatives](/tools/voice-cloning-app-voice-cloning-app/alternatives) ([ChatTTS markdown twin](/tools/2noise-chattts/alternatives.md), [Voice-Cloning-App markdown twin](/tools/voice-cloning-app-voice-cloning-app/alternatives.md)), ranked by typed relationship edges rather than popularity votes.

### Is there a machine-readable version of this comparison?

Yes. The markdown twin at [this comparison](/compare/2noise-chattts-vs-voice-cloning-app-voice-cloning-app.md) mirrors this page for agents and LLM crawlers, with the same stats table and FAQ answers.

### Which is better maintained, ChatTTS or Voice-Cloning-App?

ChatTTS: Slowing. Voice-Cloning-App: Dormant. Compare maintenance labels, days since push, and release cadence in the trust section below - stars alone do not measure maintenance.

### Where are the full trust reports for ChatTTS and Voice-Cloning-App?

GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: [ChatTTS trust report](/tools/2noise-chattts/trust); [Voice-Cloning-App trust report](/tools/voice-cloning-app-voice-cloning-app/trust).

---

**Machine-readable endpoints**

- JSON: [`/api/graphcanon/graph?tool=2noise-chattts`](/api/graphcanon/graph?tool=2noise-chattts)
- LLM index: [/llms.txt](/llms.txt)
- Full corpus: [/llms-full.txt](/llms-full.txt)

_GraphCanon - The knowledge graph for AI development. https://www.graphcanon.com/_
