Comparison
CosyVoice vs MeloTTS
Verdict
Pick CosyVoice when license: CosyVoice is Apache-2.0, MeloTTS is MIT; pick MeloTTS when license: MeloTTS is MIT, CosyVoice is Apache-2.0.
Markdown twin · CosyVoice alternatives · MeloTTS alternatives
GraphCanon updated today
vs
Trust & integrity
| Signal | CosyVoice | MeloTTS |
|---|---|---|
| Maintenance | Steady (46d since push) As of today · github_public_v1 | Dormant (563d since push) As of today · github_public_v1 |
| Provenance | Not a fork · Organization account As of today · github_public_v1 | Not a fork · Organization account As of today · github_public_v1 |
| Security (OSV) | No lockfile As of today · none | 46 low (46 low) As of today · osv@v1 |
Tagline
- CosyVoice
- Multi-lingual large voice generation model with full-stack abilities for inference, training and deployment.
- MeloTTS
- High-quality multi-lingual text-to-speech library by MyShell.ai. Support English, Spanish, French, Chinese, Japanese and Korean.
Stars
- CosyVoice
- 22k
- MeloTTS
- 7.5k
Forks
- CosyVoice
- 2.5k
- MeloTTS
- 1.1k
Open issues
- CosyVoice
- 767
- MeloTTS
- 232
Language
- CosyVoice
- Python
- MeloTTS
- 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.
- MeloTTS
- -
Persona
- CosyVoice
- -
- MeloTTS
- -
Runtime
- CosyVoice
- -
- MeloTTS
- -
License
- CosyVoice
- Apache-2.0
- MeloTTS
- MIT
Last pushed
- CosyVoice
- May 25, 2026
- MeloTTS
- Dec 24, 2024
Categories
- CosyVoice
- Model Training, Speech & Audio, Inference & Serving
- MeloTTS
- Speech & Audio
Trust and health
Maintenance
- CosyVoice
- Steady (60%)
- MeloTTS
- Dormant (18%)
Days since push
- CosyVoice
- 46d
- MeloTTS
- 563d
Open issues (now)
- CosyVoice
- 767
- MeloTTS
- 232
Security scan
- CosyVoice
- No lockfile
- MeloTTS
- 46 low (46 low)
Full report
- CosyVoice
- Trust report
- MeloTTS
- Trust report
Choose CosyVoice if…
- License: CosyVoice is Apache-2.0, MeloTTS is MIT.
- Tags unique to CosyVoice: cantonese, audio-generation, cross-lingual, cosyvoice.
- 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.
Choose MeloTTS if…
- License: MeloTTS is MIT, CosyVoice is Apache-2.0.
- Tags unique to MeloTTS: text-to-speech, multilingual, spanish, french.
- MeloTTS ships Docker support for self-hosted deployment.
When NOT to use MeloTTS
- Last GitHub push was 564 days ago (dormant maintenance, Dec 24, 2024). Validate activity before betting a new project on MeloTTS.
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 11, 2026
- GitHub forks (FunAudioLLM/CosyVoice) · observed Jul 11, 2026
- Last push (FunAudioLLM/CosyVoice) · observed May 25, 2026
- License file (Apache-2.0) · observed Jul 11, 2026
- Decision facts (enrichment) · observed Jul 11, 2026
- Trust scan (lockfile / OSV) · observed Jul 11, 2026
- GitHub stars (myshell-ai/MeloTTS) · observed Jul 11, 2026
- GitHub forks (myshell-ai/MeloTTS) · observed Jul 11, 2026
- Last push (myshell-ai/MeloTTS) · observed Dec 24, 2024
- License file (MIT) · observed Jul 11, 2026
- Trust scan (lockfile / OSV) · observed Jul 11, 2026
GitHub stars on cards: CosyVoice 22k · MeloTTS 7.5k (synced Jul 11, 2026).
Common questions
- What is the difference between CosyVoice and MeloTTS?
- CosyVoice: Multi-lingual large voice generation model with full-stack abilities for inference, training and deployment.. MeloTTS: High-quality multi-lingual text-to-speech library by MyShell.ai. Support English, Spanish, French, Chinese, Japanese and Korean.. See the comparison table for live GitHub stats and shared categories.
- When should I choose CosyVoice over MeloTTS?
- Choose CosyVoice over MeloTTS when License: CosyVoice is Apache-2.0, MeloTTS is MIT; Tags unique to CosyVoice: cantonese, audio-generation, cross-lingual, cosyvoice; Also covers Model Training, Inference & Serving; When you need support for multiple languages like Cantonese, Chinese, English, Japanese, and Korean.
- When should I choose MeloTTS over CosyVoice?
- Choose MeloTTS over CosyVoice when License: MeloTTS is MIT, CosyVoice is Apache-2.0; Tags unique to MeloTTS: text-to-speech, multilingual, spanish, french; MeloTTS ships Docker support for self-hosted deployment.
- 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 MeloTTS?
- Last GitHub push was 564 days ago (dormant maintenance, Dec 24, 2024). Validate activity before betting a new project on MeloTTS.
- Is CosyVoice or MeloTTS more popular on GitHub?
- CosyVoice has more GitHub stars (22,089 vs 7,535). Stars measure visibility, not whether either tool fits your constraints.
- Are CosyVoice and MeloTTS open source?
- Yes - both are open-source projects on GitHub (CosyVoice: Apache-2.0, MeloTTS: MIT).
- Where can I find alternatives to CosyVoice or MeloTTS?
- GraphCanon lists graph-backed alternatives at CosyVoice alternatives and MeloTTS alternatives (CosyVoice markdown twin, MeloTTS 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 MeloTTS?
- CosyVoice: Steady. MeloTTS: 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 CosyVoice and MeloTTS?
- GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: CosyVoice trust report; MeloTTS trust report.