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Comparison

CosyVoice vs kalliope

Verdict

Pick CosyVoice when license: CosyVoice is Apache-2.0, kalliope is GPL-3.0; pick kalliope when license: kalliope is GPL-3.0, CosyVoice is Apache-2.0.

Markdown twin · CosyVoice alternatives · kalliope alternatives

GraphCanon updated today

CosyVoice logo

CosyVoice

FunAudioLLM/CosyVoice

★ 22kpushed May 25, 2026
vs
kalliope logo

kalliope

kalliope-project/kalliope

★ 1.8kpushed Jul 2, 2023

Trust & integrity

SignalCosyVoicekalliope
Maintenance
Steady (46d since push)
As of today · github_public_v1
Dormant (1104d since push)
As of today · github_public_v1
Provenance
Not a fork · Organization account
As of today · github_public_v1
Not a fork · Organization account
As of today · github_public_v1
Security (OSV)
No lockfile
As of today · none
No lockfile
As of today · none
CosyVoice trust reportkalliope trust reportTrust methodology

Tagline

CosyVoice
Multi-lingual large voice generation model with full-stack abilities for inference, training and deployment.
kalliope
Kalliope is a framework that will help you to create your own personal assistant.

Stars

CosyVoice
22k
kalliope
1.8k

Forks

CosyVoice
2.5k
kalliope
231

Open issues

CosyVoice
767
kalliope
27

Language

CosyVoice
Python
kalliope
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.
kalliope
-

Persona

CosyVoice
-
kalliope
-

Runtime

CosyVoice
-
kalliope
-

License

CosyVoice
Apache-2.0
kalliope
GPL-3.0

Last pushed

CosyVoice
May 25, 2026
kalliope
Jul 2, 2023

Categories

CosyVoice
Model Training, Speech & Audio, Inference & Serving
kalliope
Speech & Audio

Trust and health

Maintenance

CosyVoice
Steady (60%)
kalliope
Dormant (18%)

Days since push

CosyVoice
46d
kalliope
1104d

Open issues (now)

CosyVoice
767
kalliope
27

Full report

CosyVoice
Trust report
kalliope
Trust report

Choose CosyVoice if…

  • License: CosyVoice is Apache-2.0, kalliope is GPL-3.0.
  • Tags unique to CosyVoice: cantonese, audio-generation, chinese, english.
  • Also covers Model Training, Inference & Serving.
  • 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.
GitHubDetails

Choose kalliope if…

  • License: kalliope is GPL-3.0, CosyVoice is Apache-2.0.
  • Tags unique to kalliope: linux, personal-assistant, bot, home-automation.
  • Leaner open-issue backlog (27).

When NOT to use kalliope

  • Last GitHub push was 1105 days ago (dormant maintenance, Jul 2, 2023). Validate activity before betting a new project on kalliope.
GitHubDetails

Explore

CosyVoice trust report →kalliope trust report →Model Training category →Speech & Audio category →Inference & Serving category →All comparisonsStack workflowsTrending tools

Sources

Every stat on this page traces to a dated GitHub sync, license file, enrichment field, or trust scan.

GitHub stars on cards: CosyVoice 22k · kalliope 1.8k (synced Jul 11, 2026).

Common questions

What is the difference between CosyVoice and kalliope?
CosyVoice: Multi-lingual large voice generation model with full-stack abilities for inference, training and deployment.. kalliope: Kalliope is a framework that will help you to create your own personal assistant.. See the comparison table for live GitHub stats and shared categories.
When should I choose CosyVoice over kalliope?
Choose CosyVoice over kalliope when License: CosyVoice is Apache-2.0, kalliope is GPL-3.0; Tags unique to CosyVoice: cantonese, audio-generation, chinese, english; Also covers Model Training, Inference & Serving; When you need support for multiple languages like Cantonese, Chinese, English, Japanese, and Korean.
When should I choose kalliope over CosyVoice?
Choose kalliope over CosyVoice when License: kalliope is GPL-3.0, CosyVoice is Apache-2.0; Tags unique to kalliope: linux, personal-assistant, bot, home-automation; Leaner open-issue backlog (27).
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 kalliope?
Last GitHub push was 1105 days ago (dormant maintenance, Jul 2, 2023). Validate activity before betting a new project on kalliope.
Is CosyVoice or kalliope more popular on GitHub?
CosyVoice has more GitHub stars (22,089 vs 1,762). Stars measure visibility, not whether either tool fits your constraints.
Are CosyVoice and kalliope open source?
Yes - both are open-source projects on GitHub (CosyVoice: Apache-2.0, kalliope: GPL-3.0).
Where can I find alternatives to CosyVoice or kalliope?
GraphCanon lists graph-backed alternatives at CosyVoice alternatives and kalliope alternatives (CosyVoice markdown twin, kalliope 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 kalliope?
CosyVoice: Steady. kalliope: Dormant. 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 kalliope?
GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: CosyVoice trust report; kalliope trust report.