--- title: "SandboxFusion vs Amphion" type: "comparison" canonical_url: "https://www.graphcanon.com/compare/bytedance-sandboxfusion-vs-open-mmlab-amphion" tools: ["bytedance-sandboxfusion", "open-mmlab-amphion"] --- # SandboxFusion vs Amphion *GraphCanon updated Jul 11, 2026* ## Verdict Pick SandboxFusion when license: SandboxFusion is Apache-2.0, Amphion is MIT; pick Amphion when license: Amphion is MIT, SandboxFusion is Apache-2.0. [SandboxFusion](https://bytedance.github.io/SandboxFusion/) reports 1.0k GitHub stars, 97 forks, and 25 open issues, last pushed May 13, 2026. [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 [SandboxFusion's repository](https://github.com/bytedance/SandboxFusion) and [Amphion's repository](https://github.com/open-mmlab/Amphion). | | [SandboxFusion](/tools/bytedance-sandboxfusion.md) | [Amphion](/tools/open-mmlab-amphion.md) | | --- | --- | --- | | Tagline | SandboxFusion | 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 | 1,036 | 9,927 | | Forks | 97 | 822 | | Open issues | 25 | 175 | | Language | Python | Python | | Adopt for | - | - | | Persona | - | - | | Runtime | - | - | | License | Apache-2.0 | MIT | | Categories | Computer Vision | Inference & Serving, Speech & Audio, Computer Vision | ## Trust and health _Sourced signals - not a safety guarantee. No winner column._ | | [SandboxFusion](/tools/bytedance-sandboxfusion.md) | [Amphion](/tools/open-mmlab-amphion.md) | | --- | --- | --- | | Maintenance | Steady (60%) | Slowing (36%) | | Days since push | 59d | 107d | | Open issues (now) | 25 | 175 | | Full report | [trust report](/tools/bytedance-sandboxfusion/trust.md) | [trust report](/tools/open-mmlab-amphion/trust.md) | ## Choose when ### Choose SandboxFusion if… - License: SandboxFusion is Apache-2.0, Amphion is MIT. - Tags unique to SandboxFusion: python. - More recently updated (last pushed May 13, 2026). ### Choose Amphion if… - License: Amphion is MIT, SandboxFusion is Apache-2.0. - Tags unique to Amphion: audioldm, audio-synthesis, audio-generation, emilia. - Also covers Inference & Serving, Speech & Audio. - Amphion ships Docker support for self-hosted deployment. ## 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 SandboxFusion and Amphion? SandboxFusion: SandboxFusion. 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 SandboxFusion over Amphion? Choose SandboxFusion over Amphion when License: SandboxFusion is Apache-2.0, Amphion is MIT; Tags unique to SandboxFusion: python; More recently updated (last pushed May 13, 2026). ### When should I choose Amphion over SandboxFusion? Choose Amphion over SandboxFusion when License: Amphion is MIT, SandboxFusion is Apache-2.0; Tags unique to Amphion: audioldm, audio-synthesis, audio-generation, emilia; Also covers Inference & Serving, Speech & Audio; Amphion ships Docker support for self-hosted deployment. ### 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 SandboxFusion or Amphion more popular on GitHub? Amphion has more GitHub stars (9,927 vs 1,036). Stars measure visibility, not whether either tool fits your constraints. ### Are SandboxFusion and Amphion open source? Yes - both are open-source projects on GitHub (SandboxFusion: Apache-2.0, Amphion: MIT). ### Where can I find alternatives to SandboxFusion or Amphion? GraphCanon lists graph-backed alternatives at [SandboxFusion alternatives](/tools/bytedance-sandboxfusion/alternatives) and [Amphion alternatives](/tools/open-mmlab-amphion/alternatives) ([SandboxFusion markdown twin](/tools/bytedance-sandboxfusion/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/bytedance-sandboxfusion-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, SandboxFusion or Amphion? SandboxFusion: Steady. 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 SandboxFusion and Amphion? GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: [SandboxFusion trust report](/tools/bytedance-sandboxfusion/trust); [Amphion trust report](/tools/open-mmlab-amphion/trust). --- **Machine-readable endpoints** - JSON: [`/api/graphcanon/graph?tool=bytedance-sandboxfusion`](/api/graphcanon/graph?tool=bytedance-sandboxfusion) - 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/_