---
title: "dc_tts vs Confucius4-TTS"
type: "comparison"
canonical_url: "https://www.graphcanon.com/compare/kyubyong-dc-tts-vs-netease-youdao-confucius4-tts"
tools: ["kyubyong-dc-tts", "netease-youdao-confucius4-tts"]
---

# dc_tts vs Confucius4-TTS

*GraphCanon updated Aug 24, 2026*

## Verdict

Pick dc_tts if dc_tts is a text-to-speech model based on TensorFlow and requires specific version dependencies; pick Confucius4-TTS if powerful cross-lingual TTS for multilingual audio projects with no need for model fine-tuning.

[dc_tts](https://github.com/Kyubyong/dc_tts) reports 1.2k GitHub stars, 360 forks, and 68 open issues, last pushed Apr 14, 2023. [Confucius4-TTS](https://github.com/netease-youdao/Confucius4-TTS) has 773 stars, 76 forks, and 11 open issues, last pushed Aug 18, 2026. Figures are from public GitHub metadata via [dc_tts's repository](https://github.com/Kyubyong/dc_tts) and [Confucius4-TTS's repository](https://github.com/netease-youdao/Confucius4-TTS).

| | [dc_tts](/tools/kyubyong-dc-tts.md) | [Confucius4-TTS](/tools/netease-youdao-confucius4-tts.md) |
| --- | --- | --- |
| Tagline | A TensorFlow Implementation of DC-TTS | Multilingual and Cross-Lingual Zero-Shot TTS Engine |
| Stars | 1,156 | 773 |
| Forks | 360 | 76 |
| Open issues | 68 | 11 |
| Language | Python | Python |
| Adopt for | dc_tts is a text-to-speech model based on TensorFlow and requires specific version dependencies. | Powerful cross-lingual TTS for multilingual audio projects with no need for model fine-tuning. |
| Persona | - | - |
| Runtime | - | - |
| License | Apache-2.0 | Other |
| Categories | Speech & Audio | Speech & Audio |

## Trust and health

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

| | [dc_tts](/tools/kyubyong-dc-tts.md) | [Confucius4-TTS](/tools/netease-youdao-confucius4-tts.md) |
| --- | --- | --- |
| Maintenance | Dormant (18%) | Very active (96%) |
| Days since push | 1203d | 5d |
| Open issues (now) | 68 | 11 |
| Stars delta | Unknown | +60 (30d) |
| Open issues delta | Unknown | +1 (30d) |
| Full report | [trust report](/tools/kyubyong-dc-tts/trust.md) | [trust report](/tools/netease-youdao-confucius4-tts/trust.md) |

## Decision facts: dc_tts

- **Requirements:** Depends on TensorFlow >=1.3 and has compatibility issues with updated APIs for `tf.contrib.layers.layer_norm`.; Requires Python packages like NumPy, librosa, tqdm, matplotlib, and scipy.
- **Adopt for:** dc_tts is a text-to-speech model based on TensorFlow and requires specific version dependencies.

## Decision facts: Confucius4-TTS

- **Adopt for:** Powerful cross-lingual TTS for multilingual audio projects with no need for model fine-tuning.

## Choose when

### Choose dc_tts if…

- License: dc_tts is Apache-2.0, Confucius4-TTS is Other.
- Requirements: Depends on TensorFlow >=1.3 and has compatibility issues with updated APIs for `tf.contrib.layers.layer_norm`.; Requires Python packages like NumPy, librosa, tqdm, matplotlib, and scipy..
- Tags unique to dc_tts: speech, speech-to-text, tensorflow, tts.
- dc_tts is a text-to-speech model based on TensorFlow and requires specific version dependencies.

### Choose Confucius4-TTS if…

- License: Confucius4-TTS is Other, dc_tts is Apache-2.0.
- Tags unique to Confucius4-TTS: audio, cross-lingual, deep-learning, fine-tuning.
- Project requires support for multiple languages without the necessity of model fine-tuning.

## When NOT to use dc_tts

- Last GitHub push was 1229 days ago (dormant maintenance, Apr 14, 2023). Validate activity before betting a new project on dc_tts.

## When NOT to use Confucius4-TTS

- When project strictly demands language-specific TTS refinement and customization.
- For scenarios needing real-time low-latency TTS performance as Confucius4-TTS focuses on cross-lingual capabilities rather than speed optimizations.

## Common questions

### What is the difference between dc_tts and Confucius4-TTS?

dc_tts: A TensorFlow Implementation of DC-TTS. Confucius4-TTS: Multilingual and Cross-Lingual Zero-Shot TTS Engine. See the comparison table for live GitHub stats and shared categories.

### When should I choose dc_tts over Confucius4-TTS?

Choose dc_tts over Confucius4-TTS when License: dc_tts is Apache-2.0, Confucius4-TTS is Other; Requirements: Depends on TensorFlow >=1.3 and has compatibility issues with updated APIs for `tf.contrib.layers.layer_norm`.; Requires Python packages like NumPy, librosa, tqdm, matplotlib, and scipy.; Tags unique to dc_tts: speech, speech-to-text, tensorflow, tts; dc_tts is a text-to-speech model based on TensorFlow and requires specific version dependencies.

### When should I choose Confucius4-TTS over dc_tts?

Choose Confucius4-TTS over dc_tts when License: Confucius4-TTS is Other, dc_tts is Apache-2.0; Tags unique to Confucius4-TTS: audio, cross-lingual, deep-learning, fine-tuning; Project requires support for multiple languages without the necessity of model fine-tuning.

### When should I avoid dc_tts?

Last GitHub push was 1229 days ago (dormant maintenance, Apr 14, 2023). Validate activity before betting a new project on dc_tts.

### When should I avoid Confucius4-TTS?

When project strictly demands language-specific TTS refinement and customization. For scenarios needing real-time low-latency TTS performance as Confucius4-TTS focuses on cross-lingual capabilities rather than speed optimizations.

### Is dc_tts or Confucius4-TTS more popular on GitHub?

dc_tts has more GitHub stars (1,156 vs 773). Stars measure visibility, not whether either tool fits your constraints.

### Are dc_tts and Confucius4-TTS open source?

Yes - both are open-source projects on GitHub (dc_tts: Apache-2.0, Confucius4-TTS: Other).

### Where can I find alternatives to dc_tts or Confucius4-TTS?

GraphCanon lists graph-backed alternatives at [dc_tts alternatives](/tools/kyubyong-dc-tts/alternatives) and [Confucius4-TTS alternatives](/tools/netease-youdao-confucius4-tts/alternatives) ([dc_tts markdown twin](/tools/kyubyong-dc-tts/alternatives.md), [Confucius4-TTS markdown twin](/tools/netease-youdao-confucius4-tts/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/kyubyong-dc-tts-vs-netease-youdao-confucius4-tts.md) mirrors this page for agents and LLM crawlers, with the same stats table and FAQ answers.

### Which is better maintained, dc_tts or Confucius4-TTS?

dc_tts: Dormant. Confucius4-TTS: Very active. 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 dc_tts and Confucius4-TTS?

GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: [dc_tts trust report](/tools/kyubyong-dc-tts/trust); [Confucius4-TTS trust report](/tools/netease-youdao-confucius4-tts/trust).

---

**Machine-readable endpoints**

- JSON: [`/api/graphcanon/graph?tool=kyubyong-dc-tts`](/api/graphcanon/graph?tool=kyubyong-dc-tts)
- 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/_
