--- title: "dia vs Amphion" type: "comparison" canonical_url: "https://www.graphcanon.com/compare/nari-labs-dia-vs-open-mmlab-amphion" tools: ["nari-labs-dia", "open-mmlab-amphion"] --- # dia vs Amphion *GraphCanon updated Jul 29, 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 Amphion if amphion offers support for reproducible research in audio, music, and speech generation through Python dependencies and Docker images that junior researchers and engineers can readily use. [dia](https://github.com/nari-labs/dia) reports 19k GitHub stars, 1.7k forks, and 91 open issues, last pushed Nov 19, 2025. [Amphion](https://openhlt.github.io/amphion/) has 10.0k stars, 830 forks, and 175 open issues, last pushed Mar 25, 2026. Figures are from public GitHub metadata via [dia's repository](https://github.com/nari-labs/dia) and [Amphion's repository](https://github.com/open-mmlab/Amphion). | | [dia](/tools/nari-labs-dia.md) | [Amphion](/tools/open-mmlab-amphion.md) | | --- | --- | --- | | Tagline | A TTS model for generating ultra-realistic dialogue | A toolkit for Audio, Music, and Speech Generation to support reproducible research | | Stars | 19,361 | 9,973 | | Forks | 1,688 | 830 | | Open issues | 91 | 175 | | 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. | Amphion offers support for reproducible research in audio, music, and speech generation through Python dependencies and Docker images that junior researchers and engineers can readily use. | | Persona | - | - | | Runtime | - | - | | License | Apache-2.0 | MIT | | Categories | Speech & Audio | Speech & Audio | ## Trust and health _Sourced signals - not a safety guarantee. No winner column._ | | [dia](/tools/nari-labs-dia.md) | [Amphion](/tools/open-mmlab-amphion.md) | | --- | --- | --- | | Days since push | 251d | 125d | | Open issues (now) | 91 | 175 | | Full report | [trust report](/tools/nari-labs-dia/trust.md) | [trust report](/tools/open-mmlab-amphion/trust.md) | ## Shared compatibility - **Python**: [dia](/tools/nari-labs-dia.md) - Python runtime; [Amphion](/tools/open-mmlab-amphion.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: Amphion - **Adopt for:** Amphion offers support for reproducible research in audio, music, and speech generation through Python dependencies and Docker images that junior researchers and engineers can readily use. ## Choose when ### Choose dia if… - License: dia is Apache-2.0, Amphion is MIT. - Tags unique to dia: dialogue-generation, tts. - When you require precise control over voice and script in the creation of highly realistic dialogues ### Choose Amphion if… - License: Amphion is MIT, dia is Apache-2.0. - Tags unique to Amphion: audio-generation, music-generation, singing-voice-conversion, speech-synthesis. - Amphion ships Docker support for self-hosted deployment. - When you are new to the field of audio, music, or speech generation and seeking a toolkit that simplifies setup with Python dependencies and Docker images. ## 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 Amphion - If you require advanced customization beyond what the provided Python packages offer, since Amphion caters more to getting started quickly without deep configuration. ## Common questions ### What is the difference between dia and Amphion? dia: A TTS model for generating ultra-realistic dialogue. Amphion: A toolkit for Audio, Music, and Speech Generation to support reproducible research. See the comparison table for live GitHub stats and shared categories. ### When should I choose dia over Amphion? Choose dia over Amphion when License: dia is Apache-2.0, Amphion is MIT; 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 Amphion over dia? Choose Amphion over dia when License: Amphion is MIT, dia is Apache-2.0; Tags unique to Amphion: audio-generation, music-generation, singing-voice-conversion, speech-synthesis; Amphion ships Docker support for self-hosted deployment; When you are new to the field of audio, music, or speech generation and seeking a toolkit that simplifies setup with Python dependencies and Docker images. ### 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 Amphion? If you require advanced customization beyond what the provided Python packages offer, since Amphion caters more to getting started quickly without deep configuration. ### Is dia or Amphion more popular on GitHub? dia has more GitHub stars (19,361 vs 9,973). Stars measure visibility, not whether either tool fits your constraints. ### Are dia and Amphion open source? Yes - both are open-source projects on GitHub (dia: Apache-2.0, Amphion: MIT). ### Where can I find alternatives to dia or Amphion? GraphCanon lists graph-backed alternatives at [dia alternatives](/tools/nari-labs-dia/alternatives) and [Amphion alternatives](/tools/open-mmlab-amphion/alternatives) ([dia markdown twin](/tools/nari-labs-dia/alternatives.md), [Amphion markdown twin](/tools/open-mmlab-amphion/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-open-mmlab-amphion.md) mirrors this page for agents and LLM crawlers, with the same stats table and FAQ answers. ### Which is better maintained, dia or Amphion? dia: Slowing. Amphion: 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 dia and Amphion? GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: [dia trust report](/tools/nari-labs-dia/trust); [Amphion trust report](/tools/open-mmlab-amphion/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/_