--- title: "kalliope vs Amphion" type: "comparison" canonical_url: "https://www.graphcanon.com/compare/kalliope-project-kalliope-vs-open-mmlab-amphion" tools: ["kalliope-project-kalliope", "open-mmlab-amphion"] --- # kalliope vs Amphion *GraphCanon updated Jul 11, 2026* ## Verdict Pick kalliope when license: kalliope is GPL-3.0, Amphion is MIT; pick Amphion when license: Amphion is MIT, kalliope is GPL-3.0. [kalliope](https://kalliope-project.github.io/) reports 1.8k GitHub stars, 231 forks, and 27 open issues, last pushed Jul 2, 2023. [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 [kalliope's repository](https://github.com/kalliope-project/kalliope) and [Amphion's repository](https://github.com/open-mmlab/Amphion). | | [kalliope](/tools/kalliope-project-kalliope.md) | [Amphion](/tools/open-mmlab-amphion.md) | | --- | --- | --- | | Tagline | Kalliope is a framework that will help you to create your own personal assistant. | 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 | 1,762 | 9,927 | | Forks | 231 | 822 | | Open issues | 27 | 175 | | Language | Python | Python | | Adopt for | - | - | | Persona | - | - | | Runtime | - | - | | License | GPL-3.0 | MIT | | Categories | Speech & Audio | Inference & Serving, Speech & Audio, Computer Vision | ## Trust and health _Sourced signals - not a safety guarantee. No winner column._ | | [kalliope](/tools/kalliope-project-kalliope.md) | [Amphion](/tools/open-mmlab-amphion.md) | | --- | --- | --- | | Maintenance | Dormant (18%) | Slowing (36%) | | Days since push | 1104d | 107d | | Open issues (now) | 27 | 175 | | Full report | [trust report](/tools/kalliope-project-kalliope/trust.md) | [trust report](/tools/open-mmlab-amphion/trust.md) | ## Choose when ### Choose kalliope if… - License: kalliope is GPL-3.0, Amphion is MIT. - Tags unique to kalliope: linux, personal-assistant, bot, home-automation. - Leaner open-issue backlog (27). ### Choose Amphion if… - License: Amphion is MIT, kalliope is GPL-3.0. - Tags unique to Amphion: audioldm, audio-synthesis, audio-generation, emilia. - Also covers Inference & Serving, Computer Vision. - Amphion ships Docker support for self-hosted deployment. ## 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. ## 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 kalliope and Amphion? kalliope: Kalliope is a framework that will help you to create your own personal assistant.. 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 kalliope over Amphion? Choose kalliope over Amphion when License: kalliope is GPL-3.0, Amphion is MIT; Tags unique to kalliope: linux, personal-assistant, bot, home-automation; Leaner open-issue backlog (27). ### When should I choose Amphion over kalliope? Choose Amphion over kalliope when License: Amphion is MIT, kalliope is GPL-3.0; Tags unique to Amphion: audioldm, audio-synthesis, audio-generation, emilia; Also covers Inference & Serving, Computer Vision; Amphion ships Docker support for self-hosted deployment. ### 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. ### 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 kalliope or Amphion more popular on GitHub? Amphion has more GitHub stars (9,927 vs 1,762). Stars measure visibility, not whether either tool fits your constraints. ### Are kalliope and Amphion open source? Yes - both are open-source projects on GitHub (kalliope: GPL-3.0, Amphion: MIT). ### Where can I find alternatives to kalliope or Amphion? GraphCanon lists graph-backed alternatives at [kalliope alternatives](/tools/kalliope-project-kalliope/alternatives) and [Amphion alternatives](/tools/open-mmlab-amphion/alternatives) ([kalliope markdown twin](/tools/kalliope-project-kalliope/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/kalliope-project-kalliope-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, kalliope or Amphion? kalliope: 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 kalliope and Amphion? GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: [kalliope trust report](/tools/kalliope-project-kalliope/trust); [Amphion trust report](/tools/open-mmlab-amphion/trust). --- **Machine-readable endpoints** - JSON: [`/api/graphcanon/graph?tool=kalliope-project-kalliope`](/api/graphcanon/graph?tool=kalliope-project-kalliope) - 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/_