Comparison
CosyVoice vs Confucius4-TTS
Verdict
Pick CosyVoice if 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; pick Confucius4-TTS if powerful cross-lingual TTS for multilingual audio projects with no need for model fine-tuning.
Markdown twin · CosyVoice alternatives · Confucius4-TTS alternatives
GraphCanon updated 3w
vs
Trust & integrity
| Signal | CosyVoice | Confucius4-TTS |
|---|---|---|
| Maintenance | Steady (59d since push) As of 3w · github_public_v1 | Active (15d since push) As of 3w · github_public_v1 |
| Provenance | Not a fork · Organization account As of 3w · github_public_v1 | Not a fork · Personal account As of 3w · github_public_v1 |
| OSV dependency advisories | No lockfile (source not queried) As of 1mo · osv@v1 | No lockfile (source not queried) As of 1mo · osv@v1 |
| deps.dev advisories | Not queried deps.dev@v1 | Not queried deps.dev@v1 |
| OpenSSF Scorecard | Not queried openssf-scorecard@v1 | Not queried openssf-scorecard@v1 |
Tagline
- CosyVoice
- Multi-lingual large voice generation model with full-stack abilities for inference, training and deployment.
- Confucius4-TTS
- Multilingual and Cross-Lingual Zero-Shot TTS Engine
Stars
- CosyVoice
- 22k
- Confucius4-TTS
- 713
Forks
- CosyVoice
- 2.6k
- Confucius4-TTS
- 70
Open issues
- CosyVoice
- 756
- Confucius4-TTS
- 10
Language
- CosyVoice
- Python
- Confucius4-TTS
- Python
Adopt for
- CosyVoice
- 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.
- Confucius4-TTS
- Powerful cross-lingual TTS for multilingual audio projects with no need for model fine-tuning.
Persona
- CosyVoice
- -
- Confucius4-TTS
- -
Runtime
- CosyVoice
- -
- Confucius4-TTS
- -
License
- CosyVoice
- Apache-2.0
- Confucius4-TTS
- Other
Last pushed
- CosyVoice
- May 25, 2026
- Confucius4-TTS
- Jul 9, 2026
Categories
- CosyVoice
- Inference & Serving, Model Training, Speech & Audio
- Confucius4-TTS
- Speech & Audio
Trust and health
Maintenance
- CosyVoice
- Steady (60%)
- Confucius4-TTS
- Active (82%)
Days since push
- CosyVoice
- 59d
- Confucius4-TTS
- 15d
Open issues (now)
- CosyVoice
- 756
- Confucius4-TTS
- 10
Owner type
- CosyVoice
- Organization
- Confucius4-TTS
- User
Full report
- CosyVoice
- Trust report
- Confucius4-TTS
- Trust report
Shared compatibility
- Python · CosyVoice: Python runtime · Confucius4-TTS: Python runtime
Choose CosyVoice if…
- License: CosyVoice is Apache-2.0, Confucius4-TTS is Other.
- Tags unique to CosyVoice: audio-generation, cantonese, chatbot, chatgpt.
- Also covers Inference & Serving, Model Training.
- 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.
Choose Confucius4-TTS if…
- License: Confucius4-TTS is Other, CosyVoice is Apache-2.0.
- Tags unique to Confucius4-TTS: audio, deep-learning, fine-tuning, multi-lingual.
- Project requires support for multiple languages without the necessity of model fine-tuning.
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.
Explore
Sources
Every stat on this page traces to a dated GitHub sync, license file, enrichment field, or trust scan.
- GitHub stars (FunAudioLLM/CosyVoice) · observed Jul 24, 2026
- GitHub forks (FunAudioLLM/CosyVoice) · observed Jul 24, 2026
- Last push (FunAudioLLM/CosyVoice) · observed May 25, 2026
- License file (Apache-2.0) · observed Jul 24, 2026
- Decision facts (enrichment) · observed Jul 11, 2026
- Trust scan (lockfile / OSV) · observed Jul 11, 2026
- GitHub stars (netease-youdao/Confucius4-TTS) · observed Jul 24, 2026
- GitHub forks (netease-youdao/Confucius4-TTS) · observed Jul 24, 2026
- Last push (netease-youdao/Confucius4-TTS) · observed Jul 9, 2026
- License file (Other) · observed Jul 24, 2026
- Decision facts (enrichment) · observed Jul 15, 2026
- Trust scan (lockfile / OSV) · observed Jul 11, 2026
GitHub stars on cards: CosyVoice 22k · Confucius4-TTS 713 (synced Jul 24, 2026).
Common questions
- What is the difference between CosyVoice and Confucius4-TTS?
- CosyVoice: Multi-lingual large voice generation model with full-stack abilities for inference, training and deployment.. 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 CosyVoice over Confucius4-TTS?
- Choose CosyVoice over Confucius4-TTS when License: CosyVoice is Apache-2.0, Confucius4-TTS is Other; Tags unique to CosyVoice: audio-generation, cantonese, chatbot, chatgpt; Also covers Inference & Serving, Model Training; When you need support for multiple languages like Cantonese, Chinese, English, Japanese, and Korean.
- When should I choose Confucius4-TTS over CosyVoice?
- Choose Confucius4-TTS over CosyVoice when License: Confucius4-TTS is Other, CosyVoice is Apache-2.0; Tags unique to Confucius4-TTS: audio, deep-learning, fine-tuning, multi-lingual; Project requires support for multiple languages without the necessity of model fine-tuning.
- 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.
- 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 CosyVoice or Confucius4-TTS more popular on GitHub?
- CosyVoice has more GitHub stars (22,373 vs 713). Stars measure visibility, not whether either tool fits your constraints.
- Are CosyVoice and Confucius4-TTS open source?
- Yes - both are open-source projects on GitHub (CosyVoice: Apache-2.0, Confucius4-TTS: Other).
- Where can I find alternatives to CosyVoice or Confucius4-TTS?
- GraphCanon lists graph-backed alternatives at CosyVoice alternatives and Confucius4-TTS alternatives (CosyVoice markdown twin, Confucius4-TTS markdown twin), 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 mirrors this page for agents and LLM crawlers, with the same stats table and FAQ answers.
- Which is better maintained, CosyVoice or Confucius4-TTS?
- CosyVoice: Steady. Confucius4-TTS: 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 CosyVoice and Confucius4-TTS?
- GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: CosyVoice trust report; Confucius4-TTS trust report.