--- title: "dia vs Confucius4-TTS" type: "comparison" canonical_url: "https://www.graphcanon.com/compare/nari-labs-dia-vs-netease-youdao-confucius4-tts" tools: ["nari-labs-dia", "netease-youdao-confucius4-tts"] --- # dia vs Confucius4-TTS *GraphCanon updated Aug 24, 2026* ## Verdict Pick dia if dia is an open-weight text-to-dialogue model providing full control over scripts and voices, ideal for generating ultra-realistic dialogue; pick Confucius4-TTS if powerful cross-lingual TTS for multilingual audio projects with no need for model fine-tuning. [dia](https://github.com/nari-labs/dia) reports 19k GitHub stars, 1.7k forks, and 91 open issues, last pushed Nov 19, 2025. [Confucius4-TTS](https://github.com/netease-youdao/Confucius4-TTS) has 773 stars, 76 forks, and 11 open issues, last pushed Aug 18, 2026. Figures are from public GitHub metadata via [dia's repository](https://github.com/nari-labs/dia) and [Confucius4-TTS's repository](https://github.com/netease-youdao/Confucius4-TTS). | | [dia](/tools/nari-labs-dia.md) | [Confucius4-TTS](/tools/netease-youdao-confucius4-tts.md) | | --- | --- | --- | | Tagline | A TTS model for generating ultra-realistic dialogue | Multilingual and Cross-Lingual Zero-Shot TTS Engine | | Stars | 19,361 | 773 | | Forks | 1,688 | 76 | | Open issues | 91 | 11 | | Language | Python | Python | | Adopt for | Dia is an open-weight text-to-dialogue model providing full control over scripts and voices, ideal for generating ultra-realistic dialogue. | Powerful cross-lingual TTS for multilingual audio projects with no need for model fine-tuning. | | Persona | - | - | | Runtime | - | - | | License | Apache-2.0 | Other | | Categories | Speech & Audio | Speech & Audio | ## Trust and health _Sourced signals - not a safety guarantee. No winner column._ | | [dia](/tools/nari-labs-dia.md) | [Confucius4-TTS](/tools/netease-youdao-confucius4-tts.md) | | --- | --- | --- | | Maintenance | Slowing (36%) | Very active (96%) | | Days since push | 251d | 5d | | Open issues (now) | 91 | 11 | | Stars delta | Unknown | +60 (30d) | | Open issues delta | Unknown | +1 (30d) | | Owner type | Organization | User | | Full report | [trust report](/tools/nari-labs-dia/trust.md) | [trust report](/tools/netease-youdao-confucius4-tts/trust.md) | ## Shared compatibility - **Python**: [dia](/tools/nari-labs-dia.md) - Python runtime; [Confucius4-TTS](/tools/netease-youdao-confucius4-tts.md) - Python runtime ## Decision facts: dia - **Adopt for:** Dia is an open-weight text-to-dialogue model providing full control over scripts and voices, ideal for generating ultra-realistic dialogue. ## Decision facts: Confucius4-TTS - **Adopt for:** Powerful cross-lingual TTS for multilingual audio projects with no need for model fine-tuning. ## Choose when ### Choose dia if… - License: dia is Apache-2.0, Confucius4-TTS is Other. - Tags unique to dia: dialogue-generation, tts. - When you require precise control over voice and script in the creation of highly realistic dialogues ### Choose Confucius4-TTS if… - License: Confucius4-TTS is Other, dia is Apache-2.0. - Tags unique to Confucius4-TTS: audio, cross-lingual, deep-learning, fine-tuning. - Project requires support for multiple languages without the necessity of model fine-tuning. ## When NOT to use dia - If your setup lacks a GPU, as Dia has not yet added CPU support - In scenarios where immediate real-time performance is critical since the first run could be longer due to additional codec downloads ## When NOT to use Confucius4-TTS - When project strictly demands language-specific TTS refinement and customization. - For scenarios needing real-time low-latency TTS performance as Confucius4-TTS focuses on cross-lingual capabilities rather than speed optimizations. ## Common questions ### What is the difference between dia and Confucius4-TTS? dia: A TTS model for generating ultra-realistic dialogue. Confucius4-TTS: Multilingual and Cross-Lingual Zero-Shot TTS Engine. See the comparison table for live GitHub stats and shared categories. ### When should I choose dia over Confucius4-TTS? Choose dia over Confucius4-TTS when License: dia is Apache-2.0, Confucius4-TTS is Other; Tags unique to dia: dialogue-generation, tts; When you require precise control over voice and script in the creation of highly realistic dialogues. ### When should I choose Confucius4-TTS over dia? Choose Confucius4-TTS over dia when License: Confucius4-TTS is Other, dia is Apache-2.0; Tags unique to Confucius4-TTS: audio, cross-lingual, deep-learning, fine-tuning; Project requires support for multiple languages without the necessity of model fine-tuning. ### When should I avoid dia? If your setup lacks a GPU, as Dia has not yet added CPU support In scenarios where immediate real-time performance is critical since the first run could be longer due to additional codec downloads ### When should I avoid Confucius4-TTS? When project strictly demands language-specific TTS refinement and customization. For scenarios needing real-time low-latency TTS performance as Confucius4-TTS focuses on cross-lingual capabilities rather than speed optimizations. ### Is dia or Confucius4-TTS more popular on GitHub? dia has more GitHub stars (19,361 vs 773). Stars measure visibility, not whether either tool fits your constraints. ### Are dia and Confucius4-TTS open source? Yes - both are open-source projects on GitHub (dia: Apache-2.0, Confucius4-TTS: Other). ### Where can I find alternatives to dia or Confucius4-TTS? GraphCanon lists graph-backed alternatives at [dia alternatives](/tools/nari-labs-dia/alternatives) and [Confucius4-TTS alternatives](/tools/netease-youdao-confucius4-tts/alternatives) ([dia markdown twin](/tools/nari-labs-dia/alternatives.md), [Confucius4-TTS markdown twin](/tools/netease-youdao-confucius4-tts/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/nari-labs-dia-vs-netease-youdao-confucius4-tts.md) mirrors this page for agents and LLM crawlers, with the same stats table and FAQ answers. ### Which is better maintained, dia or Confucius4-TTS? dia: Slowing. Confucius4-TTS: 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 dia and Confucius4-TTS? GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: [dia trust report](/tools/nari-labs-dia/trust); [Confucius4-TTS trust report](/tools/netease-youdao-confucius4-tts/trust). --- **Machine-readable endpoints** - JSON: [`/api/graphcanon/graph?tool=nari-labs-dia`](/api/graphcanon/graph?tool=nari-labs-dia) - 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/_