Comparison
CosyVoice vs Amphion
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 Amphion if amphion offers support for reproducible research in audio, music, and speech generation through Python dependencies and Docker images that junior researchers and engineers can readily use.
Markdown twin · CosyVoice alternatives · Amphion alternatives
GraphCanon updated 3w
vs
Trust & integrity
| Signal | CosyVoice | Amphion |
|---|---|---|
| Maintenance | Steady (59d since push) As of 4w · github_public_v1 | Slowing (125d since push) As of 3w · github_public_v1 |
| Provenance | Not a fork · Organization account As of 4w · github_public_v1 | Not a fork · Organization 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.
- Amphion
- A toolkit for Audio, Music, and Speech Generation to support reproducible research
Stars
- CosyVoice
- 22k
- Amphion
- 10.0k
Forks
- CosyVoice
- 2.6k
- Amphion
- 830
Open issues
- CosyVoice
- 756
- Amphion
- 175
Language
- CosyVoice
- Python
- Amphion
- 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.
- Amphion
- Amphion offers support for reproducible research in audio, music, and speech generation through Python dependencies and Docker images that junior researchers and engineers can readily use.
Persona
- CosyVoice
- -
- Amphion
- -
Runtime
- CosyVoice
- -
- Amphion
- -
License
- CosyVoice
- Apache-2.0
- Amphion
- MIT
Last pushed
- CosyVoice
- May 25, 2026
- Amphion
- Mar 25, 2026
Categories
- CosyVoice
- Inference & Serving, Model Training, Speech & Audio
- Amphion
- Speech & Audio
Trust and health
Maintenance
- CosyVoice
- Steady (60%)
- Amphion
- Slowing (36%)
Days since push
- CosyVoice
- 59d
- Amphion
- 125d
Open issues (now)
- CosyVoice
- 756
- Amphion
- 175
Full report
- CosyVoice
- Trust report
- Amphion
- Trust report
Shared compatibility
- Python · CosyVoice: Python runtime · Amphion: Python runtime
Choose CosyVoice if…
- License: CosyVoice is Apache-2.0, Amphion is MIT.
- Tags unique to CosyVoice: cantonese, chatbot, chatgpt, chinese.
- 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 Amphion if…
- License: Amphion is MIT, CosyVoice is Apache-2.0.
- Tags unique to Amphion: music-generation, singing-voice-conversion, speech-synthesis, text-to-audio.
- Amphion ships Docker support for self-hosted deployment.
- When you are new to the field of audio, music, or speech generation and seeking a toolkit that simplifies setup with Python dependencies and Docker images.
When NOT to use Amphion
- If you require advanced customization beyond what the provided Python packages offer, since Amphion caters more to getting started quickly without deep configuration.
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 (open-mmlab/Amphion) · observed Jul 29, 2026
- GitHub forks (open-mmlab/Amphion) · observed Jul 29, 2026
- Last push (open-mmlab/Amphion) · observed Mar 25, 2026
- License file (MIT) · observed Jul 29, 2026
- Decision facts (enrichment) · observed Jul 16, 2026
- Trust scan (lockfile / OSV) · observed Jul 11, 2026
GitHub stars on cards: CosyVoice 22k · Amphion 10.0k (synced Jul 24, 2026).
Common questions
- What is the difference between CosyVoice and Amphion?
- CosyVoice: Multi-lingual large voice generation model with full-stack abilities for inference, training and deployment.. Amphion: A toolkit for Audio, Music, and Speech Generation to support reproducible research. See the comparison table for live GitHub stats and shared categories.
- When should I choose CosyVoice over Amphion?
- Choose CosyVoice over Amphion when License: CosyVoice is Apache-2.0, Amphion is MIT; Tags unique to CosyVoice: cantonese, chatbot, chatgpt, chinese; Also covers Inference & Serving, Model Training; When you need support for multiple languages like Cantonese, Chinese, English, Japanese, and Korean.
- When should I choose Amphion over CosyVoice?
- Choose Amphion over CosyVoice when License: Amphion is MIT, CosyVoice is Apache-2.0; Tags unique to Amphion: music-generation, singing-voice-conversion, speech-synthesis, text-to-audio; Amphion ships Docker support for self-hosted deployment; When you are new to the field of audio, music, or speech generation and seeking a toolkit that simplifies setup with Python dependencies and Docker images.
- 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 Amphion?
- If you require advanced customization beyond what the provided Python packages offer, since Amphion caters more to getting started quickly without deep configuration.
- Is CosyVoice or Amphion more popular on GitHub?
- CosyVoice has more GitHub stars (22,373 vs 9,973). Stars measure visibility, not whether either tool fits your constraints.
- Are CosyVoice and Amphion open source?
- Yes - both are open-source projects on GitHub (CosyVoice: Apache-2.0, Amphion: MIT).
- Where can I find alternatives to CosyVoice or Amphion?
- GraphCanon lists graph-backed alternatives at CosyVoice alternatives and Amphion alternatives (CosyVoice markdown twin, Amphion 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 Amphion?
- CosyVoice: Steady. Amphion: Slowing. 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 Amphion?
- GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: CosyVoice trust report; Amphion trust report.