Comparison
CosyVoice vs RHVoice
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 RHVoice if rHVoice is an open-source text-to-speech system developed for Russian and multiple other languages employing statistical parametric synthesis.
Markdown twin · CosyVoice alternatives · RHVoice alternatives
GraphCanon updated 3w
vs
Trust & integrity
| Signal | CosyVoice | RHVoice |
|---|---|---|
| Maintenance | Steady (59d since push) As of 4w · github_public_v1 | Active (9d 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.
- RHVoice
- a free and open source speech synthesizer for Russian and other languages
Stars
- CosyVoice
- 22k
- RHVoice
- 1.8k
Forks
- CosyVoice
- 2.6k
- RHVoice
- 266
Open issues
- CosyVoice
- 756
- RHVoice
- 168
Language
- CosyVoice
- Python
- RHVoice
- C++
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.
- RHVoice
- RHVoice is an open-source text-to-speech system developed for Russian and multiple other languages employing statistical parametric synthesis.
Persona
- CosyVoice
- -
- RHVoice
- -
Runtime
- CosyVoice
- -
- RHVoice
- -
License
- CosyVoice
- Apache-2.0
- RHVoice
- GPL-2.0
Last pushed
- CosyVoice
- May 25, 2026
- RHVoice
- Jul 20, 2026
Categories
- CosyVoice
- Inference & Serving, Model Training, Speech & Audio
- RHVoice
- Speech & Audio
Trust and health
Maintenance
- CosyVoice
- Steady (60%)
- RHVoice
- Active (82%)
Days since push
- CosyVoice
- 59d
- RHVoice
- 9d
Open issues (now)
- CosyVoice
- 756
- RHVoice
- 168
Full report
- CosyVoice
- Trust report
- RHVoice
- Trust report
Choose CosyVoice if…
- CosyVoice is primarily Python; RHVoice is C++.
- License: CosyVoice is Apache-2.0, RHVoice is GPL-2.0.
- 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 RHVoice if…
- RHVoice is primarily C++; CosyVoice is Python.
- License: RHVoice is GPL-2.0, CosyVoice is Apache-2.0.
- Tags unique to RHVoice: brazilian portuguese, esperanto, georgian, kyrgyz.
- - When you need support for less commonly supported languages such as Kyrgyz, Tatar, or Albanian.
When NOT to use RHVoice
- - Avoid if seeking support exclusively for widely used languages like Spanish or Mandarin, where other options may offer more resources and community support.
- - Not ideal in scenarios where the naturalness of speech synthesis is critical over intelligibility and memory efficiency.
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 (RHVoice/RHVoice) · observed Jul 29, 2026
- GitHub forks (RHVoice/RHVoice) · observed Jul 29, 2026
- Last push (RHVoice/RHVoice) · observed Jul 20, 2026
- License file (GPL-2.0) · observed Jul 29, 2026
- Decision facts (enrichment) · observed Jul 17, 2026
- Trust scan (lockfile / OSV) · observed Jul 11, 2026
GitHub stars on cards: CosyVoice 22k · RHVoice 1.8k (synced Jul 24, 2026).
Common questions
- What is the difference between CosyVoice and RHVoice?
- CosyVoice: Multi-lingual large voice generation model with full-stack abilities for inference, training and deployment.. RHVoice: a free and open source speech synthesizer for Russian and other languages. See the comparison table for live GitHub stats and shared categories.
- When should I choose CosyVoice over RHVoice?
- Choose CosyVoice over RHVoice when CosyVoice is primarily Python; RHVoice is C++; License: CosyVoice is Apache-2.0, RHVoice is GPL-2.0; 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 RHVoice over CosyVoice?
- Choose RHVoice over CosyVoice when RHVoice is primarily C++; CosyVoice is Python; License: RHVoice is GPL-2.0, CosyVoice is Apache-2.0; Tags unique to RHVoice: brazilian portuguese, esperanto, georgian, kyrgyz; - When you need support for less commonly supported languages such as Kyrgyz, Tatar, or Albanian.
- 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 RHVoice?
- - Avoid if seeking support exclusively for widely used languages like Spanish or Mandarin, where other options may offer more resources and community support. - Not ideal in scenarios where the naturalness of speech synthesis is critical over intelligibility and memory efficiency.
- Is CosyVoice or RHVoice more popular on GitHub?
- CosyVoice has more GitHub stars (22,373 vs 1,826). Stars measure visibility, not whether either tool fits your constraints.
- Are CosyVoice and RHVoice open source?
- Yes - both are open-source projects on GitHub (CosyVoice: Apache-2.0, RHVoice: GPL-2.0).
- Where can I find alternatives to CosyVoice or RHVoice?
- GraphCanon lists graph-backed alternatives at CosyVoice alternatives and RHVoice alternatives (CosyVoice markdown twin, RHVoice 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 RHVoice?
- CosyVoice: Steady. RHVoice: 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 RHVoice?
- GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: CosyVoice trust report; RHVoice trust report.