--- title: "Confucius4-TTS vs GPT-SoVITS" type: "comparison" canonical_url: "https://www.graphcanon.com/compare/netease-youdao-confucius4-tts-vs-rvc-boss-gpt-sovits" tools: ["netease-youdao-confucius4-tts", "rvc-boss-gpt-sovits"] --- # Confucius4-TTS vs GPT-SoVITS *GraphCanon updated Jul 11, 2026* ## Verdict Pick Confucius4-TTS when license: Confucius4-TTS is Other, GPT-SoVITS is MIT; pick GPT-SoVITS when license: GPT-SoVITS is MIT, Confucius4-TTS is Other. [Confucius4-TTS](https://github.com/netease-youdao/Confucius4-TTS) reports 668 GitHub stars, 65 forks, and 10 open issues, last pushed Jul 9, 2026. [GPT-SoVITS](https://github.com/RVC-Boss/GPT-SoVITS) has 60k stars, 6.5k forks, and 873 open issues, last pushed Jul 10, 2026. Figures are from public GitHub metadata via [Confucius4-TTS's repository](https://github.com/netease-youdao/Confucius4-TTS) and [GPT-SoVITS's repository](https://github.com/RVC-Boss/GPT-SoVITS). | | [Confucius4-TTS](/tools/netease-youdao-confucius4-tts.md) | [GPT-SoVITS](/tools/rvc-boss-gpt-sovits.md) | | --- | --- | --- | | Tagline | Confucius4-TTS: a Multilingual and Cross-Lingual Zero-Shot TTS Engine | 1 min voice data can also be used to train a good TTS model! (few shot voice cloning) | | Stars | 668 | 59,643 | | Forks | 65 | 6,507 | | Open issues | 10 | 873 | | Language | Python | Python | | Adopt for | - | - | | Persona | - | - | | Runtime | - | - | | License | Other | MIT | | Categories | Model Training, Speech & Audio | Model Training, Speech & Audio, Computer Vision | ## Trust and health _Sourced signals - not a safety guarantee. No winner column._ | | [Confucius4-TTS](/tools/netease-youdao-confucius4-tts.md) | [GPT-SoVITS](/tools/rvc-boss-gpt-sovits.md) | | --- | --- | --- | | Days since push | 2d | 1d | | Open issues (now) | 10 | 873 | | Security scan | No lockfile | 39 low (39 low) | | Full report | [trust report](/tools/netease-youdao-confucius4-tts/trust.md) | [trust report](/tools/rvc-boss-gpt-sovits/trust.md) | ## Choose when ### Choose Confucius4-TTS if… - License: Confucius4-TTS is Other, GPT-SoVITS is MIT. - Tags unique to Confucius4-TTS: multi-lingual, deep-learning, fine-tuning, cross-lingual. - Leaner open-issue backlog (10). ### Choose GPT-SoVITS if… - License: GPT-SoVITS is MIT, Confucius4-TTS is Other. - Tags unique to GPT-SoVITS: voice-cloning, voice-clone, voice-cloneai, text-to-speech. - Also covers Computer Vision. - GPT-SoVITS ships Docker support for self-hosted deployment. ## When NOT to use Confucius4-TTS - Model Training: Try prompting and RAG first; fine-tuning is the answer to style/format, not missing knowledge. ## When NOT to use GPT-SoVITS - Model Training: Try prompting and RAG first; fine-tuning is the answer to style/format, not missing knowledge. ## Common questions ### What is the difference between Confucius4-TTS and GPT-SoVITS? Confucius4-TTS: Confucius4-TTS: a Multilingual and Cross-Lingual Zero-Shot TTS Engine. GPT-SoVITS: 1 min voice data can also be used to train a good TTS model! (few shot voice cloning). See the comparison table for live GitHub stats and shared categories. ### When should I choose Confucius4-TTS over GPT-SoVITS? Choose Confucius4-TTS over GPT-SoVITS when License: Confucius4-TTS is Other, GPT-SoVITS is MIT; Tags unique to Confucius4-TTS: multi-lingual, deep-learning, fine-tuning, cross-lingual; Leaner open-issue backlog (10). ### When should I choose GPT-SoVITS over Confucius4-TTS? Choose GPT-SoVITS over Confucius4-TTS when License: GPT-SoVITS is MIT, Confucius4-TTS is Other; Tags unique to GPT-SoVITS: voice-cloning, voice-clone, voice-cloneai, text-to-speech; Also covers Computer Vision; GPT-SoVITS ships Docker support for self-hosted deployment. ### When should I avoid Confucius4-TTS? Model Training: Try prompting and RAG first; fine-tuning is the answer to style/format, not missing knowledge. ### When should I avoid GPT-SoVITS? Model Training: Try prompting and RAG first; fine-tuning is the answer to style/format, not missing knowledge. ### Is Confucius4-TTS or GPT-SoVITS more popular on GitHub? GPT-SoVITS has more GitHub stars (59,643 vs 668). Stars measure visibility, not whether either tool fits your constraints. ### Are Confucius4-TTS and GPT-SoVITS open source? Yes - both are open-source projects on GitHub (Confucius4-TTS: Other, GPT-SoVITS: MIT). ### Where can I find alternatives to Confucius4-TTS or GPT-SoVITS? GraphCanon lists graph-backed alternatives at [Confucius4-TTS alternatives](/tools/netease-youdao-confucius4-tts/alternatives) and [GPT-SoVITS alternatives](/tools/rvc-boss-gpt-sovits/alternatives) ([Confucius4-TTS markdown twin](/tools/netease-youdao-confucius4-tts/alternatives.md), [GPT-SoVITS markdown twin](/tools/rvc-boss-gpt-sovits/alternatives.md)), 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](/compare/netease-youdao-confucius4-tts-vs-rvc-boss-gpt-sovits.md) mirrors this page for agents and LLM crawlers, with the same stats table and FAQ answers. ### Which is better maintained, Confucius4-TTS or GPT-SoVITS? Confucius4-TTS: Very active. GPT-SoVITS: Very 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 Confucius4-TTS and GPT-SoVITS? GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: [Confucius4-TTS trust report](/tools/netease-youdao-confucius4-tts/trust); [GPT-SoVITS trust report](/tools/rvc-boss-gpt-sovits/trust). --- **Machine-readable endpoints** - JSON: [`/api/graphcanon/graph?tool=netease-youdao-confucius4-tts`](/api/graphcanon/graph?tool=netease-youdao-confucius4-tts) - LLM index: [/llms.txt](/llms.txt) - Full corpus: [/llms-full.txt](/llms-full.txt) _GraphCanon - The knowledge graph for AI development. https://www.graphcanon.com/_