Home/Compare/CosyVoice vs kaldi

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 Sep 20, 2026

7views this month

CosyVoice logo

CosyVoice

FunAudioLLM/CosyVoice

★ 24kpushed May 25, 2026
vs
kaldi logo

kaldi

kaldi-asr/kaldi

★ 15kpushed Sep 22, 2025

Trust & integrity

SignalCosyVoicekaldi
Maintenance
Slowing (117d since push)
As of Sep 20, 2026 · github_public_v1
Slowing (363d since push)
As of Sep 20, 2026 · github_public_v1
Provenance
Not a fork · Organization account
As of Sep 20, 2026 · github_public_v1
Not a fork · Organization account
As of Sep 20, 2026 · github_public_v1
OSV dependency advisories
No lockfile (source not queried)
As of Jul 11, 2026 · osv@v1
No lockfile (source not queried)
As of Jul 11, 2026 · 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
24k
kaldi
15k

Forks

CosyVoice
2.7k
kaldi
5.4k

Open issues

CosyVoice
697
kaldi
262

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

Days since push

CosyVoice
117d
kaldi
363d

Open issues (now)

CosyVoice
697
kaldi
262

Stars delta

CosyVoice
+1.3k (30d)
kaldi
+46 (30d)

Open issues delta

CosyVoice
-59 (30d)
kaldi
+2 (30d)

Full report

CosyVoice
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 on cards: CosyVoice 24k · kaldi 15k (synced Sep 20, 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 (23,695 vs 15,488). 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: Slowing. 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.

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