Comparison
Chatterbox-TTS-Server vs CosyVoice
Verdict
Pick Chatterbox-TTS-Server if chatterbox-TTS-Server: Self-hostable TTS solution with Web UI, APIs, voice cloning, and large-scale text support across CUDA, ROCm, CPU; 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.
Markdown twin · Chatterbox-TTS-Server alternatives · CosyVoice alternatives
GraphCanon updated 3w
vs
Trust & integrity
| Signal | Chatterbox-TTS-Server | CosyVoice |
|---|---|---|
| Maintenance | Steady (64d since push) As of 3w · github_public_v1 | Steady (59d since push) As of 4w · github_public_v1 |
| Provenance | Not a fork · Personal account As of 3w · github_public_v1 | Not a fork · Organization account As of 4w · github_public_v1 |
| OSV dependency advisories | Published findings 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
- Chatterbox-TTS-Server
- Self-host the Chatterbox TTS model with a user-friendly Web UI and flexible API endpoints
- CosyVoice
- Multi-lingual large voice generation model with full-stack abilities for inference, training and deployment.
Stars
- Chatterbox-TTS-Server
- 1.4k
- CosyVoice
- 22k
Forks
- Chatterbox-TTS-Server
- 333
- CosyVoice
- 2.6k
Open issues
- Chatterbox-TTS-Server
- 45
- CosyVoice
- 756
Language
- Chatterbox-TTS-Server
- Python
- CosyVoice
- Python
Adopt for
- Chatterbox-TTS-Server
- Chatterbox-TTS-Server: Self-hostable TTS solution with Web UI, APIs, voice cloning, and large-scale text support across CUDA, ROCm, CPU.
- 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.
Persona
- Chatterbox-TTS-Server
- -
- CosyVoice
- -
Runtime
- Chatterbox-TTS-Server
- -
- CosyVoice
- -
License
- Chatterbox-TTS-Server
- MIT License, open-source with permissive terms for modification and distribution.
- CosyVoice
- Apache-2.0
Last pushed
- Chatterbox-TTS-Server
- May 26, 2026
- CosyVoice
- May 25, 2026
Categories
- Chatterbox-TTS-Server
- Speech & Audio
- CosyVoice
- Inference & Serving, Model Training, Speech & Audio
Trust and health
Days since push
- Chatterbox-TTS-Server
- 64d
- CosyVoice
- 59d
Open issues (now)
- Chatterbox-TTS-Server
- 45
- CosyVoice
- 756
Owner type
- Chatterbox-TTS-Server
- User
- CosyVoice
- Organization
OSV dependency advisories
- Chatterbox-TTS-Server
- Published findings
- CosyVoice
- No lockfile (source not queried)
Full report
- Chatterbox-TTS-Server
- Trust report
- CosyVoice
- Trust report
Shared compatibility
- Python · Chatterbox-TTS-Server: Python runtime · CosyVoice: Python runtime
Choose Chatterbox-TTS-Server if…
- License: Chatterbox-TTS-Server is MIT, CosyVoice is Apache-2.0.
- Requirements: Python 3.10 needed for pre-built wheels; avoid Python >=3.11 due to lack of support.; Ensure hardware and driver meets the Hardware Compatibility Matrix requirements..
- Tags unique to Chatterbox-TTS-Server: ai, api-server, chatterbox, cuda.
- Chatterbox-TTS-Server ships Docker support for self-hosted deployment.
- You need a self-hosted Text-to-Speech service that supports advanced features like voice cloning.
When NOT to use Chatterbox-TTS-Server
- When only pre-built wheels and no flexibility with Python versions is required (strictly follows Python 3.10).
- If your hardware or OS lacks support detailed in the compatibility matrix, like unsupported GPUs/CPU setups.
- For projects requiring minimal dependencies without manual handling of installation intricacies.
Choose CosyVoice if…
- License: CosyVoice is Apache-2.0, Chatterbox-TTS-Server 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.
Explore
Sources
Every stat on this page traces to a dated GitHub sync, license file, enrichment field, or trust scan.
- GitHub stars (devnen/Chatterbox-TTS-Server) · observed Jul 30, 2026
- GitHub forks (devnen/Chatterbox-TTS-Server) · observed Jul 30, 2026
- Last push (devnen/Chatterbox-TTS-Server) · observed May 26, 2026
- License file (MIT) · observed Jul 30, 2026
- Decision facts (enrichment) · observed Jul 12, 2026
- Trust scan (lockfile / OSV) · observed Jul 11, 2026
- 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 on cards: Chatterbox-TTS-Server 1.4k · CosyVoice 22k (synced Jul 30, 2026).
Common questions
- What is the difference between Chatterbox-TTS-Server and CosyVoice?
- Chatterbox-TTS-Server: Self-host the Chatterbox TTS model with a user-friendly Web UI and flexible API endpoints. CosyVoice: Multi-lingual large voice generation model with full-stack abilities for inference, training and deployment.. See the comparison table for live GitHub stats and shared categories.
- When should I choose Chatterbox-TTS-Server over CosyVoice?
- Choose Chatterbox-TTS-Server over CosyVoice when License: Chatterbox-TTS-Server is MIT, CosyVoice is Apache-2.0; Requirements: Python 3.10 needed for pre-built wheels; avoid Python >=3.11 due to lack of support.; Ensure hardware and driver meets the Hardware Compatibility Matrix requirements.; Tags unique to Chatterbox-TTS-Server: ai, api-server, chatterbox, cuda; Chatterbox-TTS-Server ships Docker support for self-hosted deployment; You need a self-hosted Text-to-Speech service that supports advanced features like voice cloning.
- When should I choose CosyVoice over Chatterbox-TTS-Server?
- Choose CosyVoice over Chatterbox-TTS-Server when License: CosyVoice is Apache-2.0, Chatterbox-TTS-Server 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 avoid Chatterbox-TTS-Server?
- When only pre-built wheels and no flexibility with Python versions is required (strictly follows Python 3.10). If your hardware or OS lacks support detailed in the compatibility matrix, like unsupported GPUs/CPU setups. For projects requiring minimal dependencies without manual handling of installation intricacies.
- 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.
- Is Chatterbox-TTS-Server or CosyVoice more popular on GitHub?
- CosyVoice has more GitHub stars (22,373 vs 1,379). Stars measure visibility, not whether either tool fits your constraints.
- Are Chatterbox-TTS-Server and CosyVoice open source?
- Yes - both are open-source projects on GitHub (Chatterbox-TTS-Server: MIT, CosyVoice: Apache-2.0).
- Where can I find alternatives to Chatterbox-TTS-Server or CosyVoice?
- GraphCanon lists graph-backed alternatives at Chatterbox-TTS-Server alternatives and CosyVoice alternatives (Chatterbox-TTS-Server markdown twin, CosyVoice 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, Chatterbox-TTS-Server or CosyVoice?
- Chatterbox-TTS-Server: Steady. CosyVoice: Steady. 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 Chatterbox-TTS-Server and CosyVoice?
- GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: Chatterbox-TTS-Server trust report; CosyVoice trust report.