--- title: "RGB vs Amphion" type: "comparison" canonical_url: "https://www.graphcanon.com/compare/chen700564-rgb-vs-open-mmlab-amphion" tools: ["chen700564-rgb", "open-mmlab-amphion"] --- # RGB vs Amphion *GraphCanon updated Jul 12, 2026* ## Verdict Pick RGB when license: RGB is Other, Amphion is MIT; pick Amphion when license: Amphion is MIT, RGB is Other. [RGB](https://github.com/chen700564/RGB) reports 371 GitHub stars, 37 forks, and 17 open issues, last pushed May 17, 2024. [Amphion](https://openhlt.github.io/amphion/) has 9.9k stars, 822 forks, and 175 open issues, last pushed Mar 25, 2026. Figures are from public GitHub metadata via [RGB's repository](https://github.com/chen700564/RGB) and [Amphion's repository](https://github.com/open-mmlab/Amphion). | | [RGB](/tools/chen700564-rgb.md) | [Amphion](/tools/open-mmlab-amphion.md) | | --- | --- | --- | | Tagline | Incomplete metadata; License information provided | Amphion (/æmˈfaɪən/) is a toolkit for Audio, Music, and Speech Generation. Its purpose is to support reproducible research and help junior researchers and engineers get started in the field of audio, | | Stars | 371 | 9,927 | | Forks | 37 | 822 | | Open issues | 17 | 175 | | Language | Python | Python | | Adopt for | - | - | | Persona | - | - | | Runtime | - | - | | License | Other | MIT | | Categories | Computer Vision | Computer Vision, Inference & Serving, Speech & Audio | ## Trust and health _Sourced signals - not a safety guarantee. No winner column._ | | [RGB](/tools/chen700564-rgb.md) | [Amphion](/tools/open-mmlab-amphion.md) | | --- | --- | --- | | Maintenance | Dormant (18%) | Slowing (36%) | | Days since push | 785d | 107d | | Open issues (now) | 17 | 175 | | Owner type | User | Organization | | Full report | [trust report](/tools/chen700564-rgb/trust.md) | [trust report](/tools/open-mmlab-amphion/trust.md) | ## Choose when ### Choose RGB if… - License: RGB is Other, Amphion is MIT. - Tags unique to RGB: license information, python. - Leaner open-issue backlog (17). ### Choose Amphion if… - License: Amphion is MIT, RGB is Other. - Tags unique to Amphion: audio-generation, audio-synthesis, audioldm, audit. - Also covers Inference & Serving, Speech & Audio. - Amphion ships Docker support for self-hosted deployment. ## When NOT to use RGB - Last GitHub push was 786 days ago (dormant maintenance, May 17, 2024). Validate activity before betting a new project on RGB. ## When NOT to use Amphion - Last GitHub push was 108 days ago (slowing maintenance, Mar 25, 2026). Validate activity before betting a new project on Amphion. - Inference & Serving: Self-hosting rarely beats a hosted API on cost until you have steady, high-volume traffic. ## Common questions ### What is the difference between RGB and Amphion? RGB: Incomplete metadata; License information provided. Amphion: Amphion (/æmˈfaɪən/) is a toolkit for Audio, Music, and Speech Generation. Its purpose is to support reproducible research and help junior researchers and engineers get started in the field of audio, . See the comparison table for live GitHub stats and shared categories. ### When should I choose RGB over Amphion? Choose RGB over Amphion when License: RGB is Other, Amphion is MIT; Tags unique to RGB: license information, python; Leaner open-issue backlog (17). ### When should I choose Amphion over RGB? Choose Amphion over RGB when License: Amphion is MIT, RGB is Other; Tags unique to Amphion: audio-generation, audio-synthesis, audioldm, audit; Also covers Inference & Serving, Speech & Audio; Amphion ships Docker support for self-hosted deployment. ### When should I avoid RGB? Last GitHub push was 786 days ago (dormant maintenance, May 17, 2024). Validate activity before betting a new project on RGB. ### When should I avoid Amphion? Last GitHub push was 108 days ago (slowing maintenance, Mar 25, 2026). Validate activity before betting a new project on Amphion. Inference & Serving: Self-hosting rarely beats a hosted API on cost until you have steady, high-volume traffic. ### Is RGB or Amphion more popular on GitHub? Amphion has more GitHub stars (9,927 vs 371). Stars measure visibility, not whether either tool fits your constraints. ### Are RGB and Amphion open source? Yes - both are open-source projects on GitHub (RGB: Other, Amphion: MIT). ### Where can I find alternatives to RGB or Amphion? GraphCanon lists graph-backed alternatives at [RGB alternatives](/tools/chen700564-rgb/alternatives) and [Amphion alternatives](/tools/open-mmlab-amphion/alternatives) ([RGB markdown twin](/tools/chen700564-rgb/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/chen700564-rgb-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, RGB or Amphion? RGB: Dormant. 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 RGB and Amphion? GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: [RGB trust report](/tools/chen700564-rgb/trust); [Amphion trust report](/tools/open-mmlab-amphion/trust). --- **Machine-readable endpoints** - JSON: [`/api/graphcanon/graph?tool=chen700564-rgb`](/api/graphcanon/graph?tool=chen700564-rgb) - 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/_