--- title: "OpenVoice vs Amphion" type: "comparison" canonical_url: "https://www.graphcanon.com/compare/myshell-ai-openvoice-vs-open-mmlab-amphion" tools: ["myshell-ai-openvoice", "open-mmlab-amphion"] --- # OpenVoice vs Amphion *GraphCanon updated Jul 11, 2026* ## Verdict Pick OpenVoice when tags unique to OpenVoice: python, text-to-speech, tts, voice-clone; pick Amphion when tags unique to Amphion: audio-generation, audio-synthesis, audioldm, audit. [OpenVoice](https://research.myshell.ai/open-voice) reports 37k GitHub stars, 4.1k forks, and 307 open issues, last pushed Apr 19, 2025. [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 [OpenVoice's repository](https://github.com/myshell-ai/OpenVoice) and [Amphion's repository](https://github.com/open-mmlab/Amphion). | | [OpenVoice](/tools/myshell-ai-openvoice.md) | [Amphion](/tools/open-mmlab-amphion.md) | | --- | --- | --- | | Tagline | Instant voice cloning by MIT and MyShell. Audio foundation model. | 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 | 36,914 | 9,927 | | Forks | 4,118 | 822 | | Open issues | 307 | 175 | | Language | Python | Python | | Adopt for | - | - | | Persona | - | - | | Runtime | - | - | | License | MIT | MIT | | Categories | Speech & Audio | Computer Vision, Inference & Serving, Speech & Audio | ## Trust and health _Sourced signals - not a safety guarantee. No winner column._ | | [OpenVoice](/tools/myshell-ai-openvoice.md) | [Amphion](/tools/open-mmlab-amphion.md) | | --- | --- | --- | | Maintenance | Dormant (18%) | Slowing (36%) | | Days since push | 447d | 107d | | Open issues (now) | 307 | 175 | | Security scan | 72 low (72 low) | No lockfile | | Full report | [trust report](/tools/myshell-ai-openvoice/trust.md) | [trust report](/tools/open-mmlab-amphion/trust.md) | ## Choose when ### Choose OpenVoice if… - Tags unique to OpenVoice: python, text-to-speech, tts, voice-clone. - More GitHub stars (37k vs 9.9k) - visibility, not fit. ### Choose Amphion if… - Tags unique to Amphion: audio-generation, audio-synthesis, audioldm, audit. - Also covers Computer Vision, Inference & Serving. - Amphion ships Docker support for self-hosted deployment. ## When NOT to use OpenVoice - Last GitHub push was 448 days ago (dormant maintenance, Apr 19, 2025). Validate activity before betting a new project on OpenVoice. ## 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 OpenVoice and Amphion? OpenVoice: Instant voice cloning by MIT and MyShell. Audio foundation model.. 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 OpenVoice over Amphion? Choose OpenVoice over Amphion when Tags unique to OpenVoice: python, text-to-speech, tts, voice-clone; More GitHub stars (37k vs 9.9k) - visibility, not fit. ### When should I choose Amphion over OpenVoice? Choose Amphion over OpenVoice when Tags unique to Amphion: audio-generation, audio-synthesis, audioldm, audit; Also covers Computer Vision, Inference & Serving; Amphion ships Docker support for self-hosted deployment. ### When should I avoid OpenVoice? Last GitHub push was 448 days ago (dormant maintenance, Apr 19, 2025). Validate activity before betting a new project on OpenVoice. ### 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 OpenVoice or Amphion more popular on GitHub? OpenVoice has more GitHub stars (36,914 vs 9,927). Stars measure visibility, not whether either tool fits your constraints. ### Are OpenVoice and Amphion open source? Yes - both are open-source projects on GitHub (OpenVoice: MIT, Amphion: MIT). ### Where can I find alternatives to OpenVoice or Amphion? GraphCanon lists graph-backed alternatives at [OpenVoice alternatives](/tools/myshell-ai-openvoice/alternatives) and [Amphion alternatives](/tools/open-mmlab-amphion/alternatives) ([OpenVoice markdown twin](/tools/myshell-ai-openvoice/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/myshell-ai-openvoice-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, OpenVoice or Amphion? OpenVoice: 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 OpenVoice and Amphion? GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: [OpenVoice trust report](/tools/myshell-ai-openvoice/trust); [Amphion trust report](/tools/open-mmlab-amphion/trust). --- **Machine-readable endpoints** - JSON: [`/api/graphcanon/graph?tool=myshell-ai-openvoice`](/api/graphcanon/graph?tool=myshell-ai-openvoice) - 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/_