Comparison
CosyVoice vs kaldi
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 kaldi if kaldi stands out among speech recognition toolkits with its comprehensive C++ libraries and strong community support for contributors.
Markdown twin · CosyVoice alternatives · kaldi alternatives
GraphCanon updated 1d
vs
Trust & integrity
| Signal | CosyVoice | kaldi |
|---|---|---|
| Maintenance | Steady (89d since push) As of 1d · github_public_v1 | Slowing (310d since push) As of 3w · github_public_v1 |
| Provenance | Not a fork · Organization account As of 1d · 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.
- kaldi
- Kaldi Speech Recognition Toolkit
Stars
- CosyVoice
- 23k
- kaldi
- 15k
Forks
- CosyVoice
- 2.6k
- kaldi
- 5.4k
Open issues
- CosyVoice
- 719
- kaldi
- 260
Language
- CosyVoice
- Python
- kaldi
- Shell
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.
- kaldi
- Kaldi stands out among speech recognition toolkits with its comprehensive C++ libraries and strong community support for contributors.
Persona
- CosyVoice
- -
- kaldi
- -
Runtime
- CosyVoice
- -
- kaldi
- -
License
- CosyVoice
- Apache-2.0
- kaldi
- Other
Last pushed
- CosyVoice
- May 25, 2026
- kaldi
- Sep 22, 2025
Categories
- CosyVoice
- Inference & Serving, Model Training, Speech & Audio
- kaldi
- Speech & Audio
Trust and health
Maintenance
- CosyVoice
- Steady (60%)
- kaldi
- Slowing (36%)
Days since push
- CosyVoice
- 89d
- kaldi
- 310d
Open issues (now)
- CosyVoice
- 719
- kaldi
- 260
Stars delta
- CosyVoice
- +497 (30d)
- kaldi
- Unknown
Open issues delta
- CosyVoice
- -37 (30d)
- kaldi
- Unknown
Full report
- CosyVoice
- Trust report
- kaldi
- Trust report
Choose CosyVoice if…
- CosyVoice is primarily Python; kaldi is Shell.
- License: CosyVoice is Apache-2.0, kaldi 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 kaldi if…
- kaldi is primarily Shell; CosyVoice is Python.
- License: kaldi is Other, CosyVoice is Apache-2.0.
- Tags unique to kaldi: c-plus-plus, cuda, speaker-id, speaker-verification.
- For developers preferring a deep customization of speech recognition algorithms in C++
When NOT to use kaldi
- If you require extensive pre-built support and documentation for non-UNIX systems like Windows outside Cygwin environment
- For users seeking a purely Python-based ecosystem for developing speech recognition applications without the need to compile C++ code
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 Aug 23, 2026
- GitHub forks (FunAudioLLM/CosyVoice) · observed Aug 23, 2026
- Last push (FunAudioLLM/CosyVoice) · observed May 25, 2026
- License file (Apache-2.0) · observed Aug 23, 2026
- Decision facts (enrichment) · observed Jul 11, 2026
- Trust scan (lockfile / OSV) · observed Jul 11, 2026
- GitHub stars (kaldi-asr/kaldi) · observed Jul 30, 2026
- GitHub forks (kaldi-asr/kaldi) · observed Jul 30, 2026
- Last push (kaldi-asr/kaldi) · observed Sep 22, 2025
- License file (Other) · observed Jul 30, 2026
- Decision facts (enrichment) · observed Jul 17, 2026
- Trust scan (lockfile / OSV) · observed Jul 11, 2026
GitHub stars on cards: CosyVoice 23k · kaldi 15k (synced Aug 23, 2026).
Common questions
- What is the difference between CosyVoice and kaldi?
- CosyVoice: Multi-lingual large voice generation model with full-stack abilities for inference, training and deployment.. kaldi: Kaldi Speech Recognition Toolkit. See the comparison table for live GitHub stats and shared categories.
- When should I choose CosyVoice over kaldi?
- Choose CosyVoice over kaldi when CosyVoice is primarily Python; kaldi is Shell; License: CosyVoice is Apache-2.0, kaldi 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 kaldi over CosyVoice?
- Choose kaldi over CosyVoice when kaldi is primarily Shell; CosyVoice is Python; License: kaldi is Other, CosyVoice is Apache-2.0; Tags unique to kaldi: c-plus-plus, cuda, speaker-id, speaker-verification; For developers preferring a deep customization of speech recognition algorithms in C++.
- 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 kaldi?
- If you require extensive pre-built support and documentation for non-UNIX systems like Windows outside Cygwin environment For users seeking a purely Python-based ecosystem for developing speech recognition applications without the need to compile C++ code
- Is CosyVoice or kaldi more popular on GitHub?
- CosyVoice has more GitHub stars (22,870 vs 15,442). Stars measure visibility, not whether either tool fits your constraints.
- Are CosyVoice and kaldi open source?
- Yes - both are open-source projects on GitHub (CosyVoice: Apache-2.0, kaldi: Other).
- Where can I find alternatives to CosyVoice or kaldi?
- GraphCanon lists graph-backed alternatives at CosyVoice alternatives and kaldi alternatives (CosyVoice markdown twin, kaldi 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 kaldi?
- CosyVoice: Steady. kaldi: 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 kaldi?
- GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: CosyVoice trust report; kaldi trust report.