---
title: "ChatTTS_colab vs CosyVoice"
type: "comparison"
canonical_url: "https://www.graphcanon.com/compare/6drf21e-chattts-colab-vs-funaudiollm-cosyvoice"
tools: ["6drf21e-chattts-colab", "funaudiollm-cosyvoice"]
---

# ChatTTS_colab vs CosyVoice

*GraphCanon updated Jul 12, 2026*

## Verdict

Pick ChatTTS_colab when tags unique to ChatTTS_colab: text-to-speech, python, chattts, colab-notebook; pick CosyVoice when tags unique to CosyVoice: cantonese, audio-generation, chinese, english.

[ChatTTS_colab](https://github.com/6drf21e/ChatTTS_colab) reports 2.6k GitHub stars, 323 forks, and 78 open issues, last pushed May 31, 2026. [CosyVoice](https://funaudiollm.github.io/cosyvoice3) has 22k stars, 2.5k forks, and 767 open issues, last pushed May 25, 2026. Figures are from public GitHub metadata via [ChatTTS_colab's repository](https://github.com/6drf21e/ChatTTS_colab) and [CosyVoice's repository](https://github.com/FunAudioLLM/CosyVoice).

| | [ChatTTS_colab](/tools/6drf21e-chattts-colab.md) | [CosyVoice](/tools/funaudiollm-cosyvoice.md) |
| --- | --- | --- |
| Tagline | 🚀 一键部署（含离线整合包）！基于 ChatTTS ，支持流式输出、音色抽卡、长音频生成和分角色朗读。简单易用，无需复杂安装。 | Multi-lingual large voice generation model with full-stack abilities for inference, training and deployment. |
| Stars | 2,582 | 22,089 |
| Forks | 323 | 2,545 |
| Open issues | 78 | 767 |
| Language | Python | Python |
| Adopt for | - | CosyVoice is a Python-based multi-lingual large voice generation model. It supports extensive capabilities including fine-tuning, TTS (Text-To-Speech), and natural language generation. |
| Persona | - | - |
| Runtime | - | - |
| License | - | Apache-2.0 |
| Categories | Speech & Audio | Model Training, Inference & Serving, Speech & Audio |

## Trust and health

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

| | [ChatTTS_colab](/tools/6drf21e-chattts-colab.md) | [CosyVoice](/tools/funaudiollm-cosyvoice.md) |
| --- | --- | --- |
| Days since push | 40d | 46d |
| Open issues (now) | 78 | 767 |
| Owner type | User | Organization |
| Security scan | No criticals | No lockfile |
| Full report | [trust report](/tools/6drf21e-chattts-colab/trust.md) | [trust report](/tools/funaudiollm-cosyvoice/trust.md) |

## Decision facts: CosyVoice

- **Adopt for:** CosyVoice is a Python-based multi-lingual large voice generation model. It supports extensive capabilities including fine-tuning, TTS (Text-To-Speech), and natural language generation.

## Choose when

### Choose ChatTTS_colab if…

- Tags unique to ChatTTS_colab: text-to-speech, python, chattts, colab-notebook.
- More recently updated (last pushed May 31, 2026).

### Choose CosyVoice if…

- Tags unique to CosyVoice: cantonese, audio-generation, chinese, english.
- Also covers Model Training, Inference & Serving.
- When you need support for multiple languages like Cantonese, Chinese, English, Japanese, and Korean.

## When NOT to use CosyVoice

- If your project specifically requires fine-tuned performance in languages not supported by CosyVoice such as Arabic or Spanish.
- When strict real-time speech synthesis requirements are essential, as CosyVoice may face delays depending on the environment's computational power and model complexity.

## Common questions

### What is the difference between ChatTTS_colab and CosyVoice?

ChatTTS_colab: 🚀 一键部署（含离线整合包）！基于 ChatTTS ，支持流式输出、音色抽卡、长音频生成和分角色朗读。简单易用，无需复杂安装。. CosyVoice: Multi-lingual large voice generation model with full-stack abilities for inference, training and deployment.. See the comparison table for live GitHub stats and shared categories.

### When should I choose ChatTTS_colab over CosyVoice?

Choose ChatTTS_colab over CosyVoice when Tags unique to ChatTTS_colab: text-to-speech, python, chattts, colab-notebook; More recently updated (last pushed May 31, 2026).

### When should I choose CosyVoice over ChatTTS_colab?

Choose CosyVoice over ChatTTS_colab when Tags unique to CosyVoice: cantonese, audio-generation, chinese, english; Also covers Model Training, Inference & Serving; When you need support for multiple languages like Cantonese, Chinese, English, Japanese, and Korean.

### When should I avoid CosyVoice?

If your project specifically requires fine-tuned performance in languages not supported by CosyVoice such as Arabic or Spanish. When strict real-time speech synthesis requirements are essential, as CosyVoice may face delays depending on the environment's computational power and model complexity.

### Is ChatTTS_colab or CosyVoice more popular on GitHub?

CosyVoice has more GitHub stars (22,089 vs 2,582). Stars measure visibility, not whether either tool fits your constraints.

### Are ChatTTS_colab and CosyVoice open source?

Yes - both are open-source projects on GitHub.

### Where can I find alternatives to ChatTTS_colab or CosyVoice?

GraphCanon lists graph-backed alternatives at [ChatTTS_colab alternatives](/tools/6drf21e-chattts-colab/alternatives) and [CosyVoice alternatives](/tools/funaudiollm-cosyvoice/alternatives) ([ChatTTS_colab markdown twin](/tools/6drf21e-chattts-colab/alternatives.md), [CosyVoice markdown twin](/tools/funaudiollm-cosyvoice/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/6drf21e-chattts-colab-vs-funaudiollm-cosyvoice.md) mirrors this page for agents and LLM crawlers, with the same stats table and FAQ answers.

### Which is better maintained, ChatTTS_colab or CosyVoice?

ChatTTS_colab: Steady. CosyVoice: Steady. 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_colab and CosyVoice?

GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: [ChatTTS_colab trust report](/tools/6drf21e-chattts-colab/trust); [CosyVoice trust report](/tools/funaudiollm-cosyvoice/trust).

---

**Machine-readable endpoints**

- JSON: [`/api/graphcanon/graph?tool=6drf21e-chattts-colab`](/api/graphcanon/graph?tool=6drf21e-chattts-colab)
- 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/_
