head to head · open source
Amphion vs bernstein
Amphion has 10,339 GitHub stars, 858 forks, 174 open issues and last shipped 8 months ago. bernstein has 1,206 stars, 186 forks, 368 open issues and last shipped today. Amphion leads on adoption by 757% (10,339 vs 1,206 stars). Amphion is written in Python under MIT; bernstein is written in Python under Apache-2.0. Amphion has attracted 8% as many forks as stars, bernstein 15%. bernstein was the more recently maintained of the two, and both are self-hostable with no licence fee.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| Amphion | bernstein | |
|---|---|---|
| GitHub stars | ★ 10K | ★ 1.2K |
| License | MIT | Apache-2.0 |
| Written in | Python | Python |
| Last push | 2026-03-25 | 2026-11-14 |
| Forks | ⑂ 858 | ⑂ 186 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Amphion if
- You weight community size — 10K stars and counting
- You want the MIT license terms
- Your stack matches Python
- You value the larger contributor base for long-term maintenance
pick bernstein if
- You want the bernstein feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Python
- You evaluated both and bernstein fits your workflow better
About Amphion
Amphion: An Open Source Audio, Music, and Speech Generation Toolkit .svg" 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, music, and speech generation research and development. Amphion offers a unique feature: visualizations of classic models or architectures. We believe that these visualizations are beneficial for junior researchers and engineers who wish to gain a better understanding of the model. The North Star objective of Amphion is to offer a platform for…
read the full Amphion overview →
About bernstein
"To achieve great things, two things are needed: a plan and not quite enough time." attributed to Leonard Bernstein the open source governance layer for AI agents website · docs · install · first run · glossary · limitations · name policy · discord · sponsor 简体中文 · 繁體中文 · 日本語 · 한국어 · हिन्दी · বাংলা · Русский · Español · Português · Deutsch · Français · Italiano · Nederlands · Polski · Svenska · Suomi · Українська · Türkçe · العربية…
read the full bernstein overview →
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Frequently asked questions
Is Amphion or bernstein more popular?
Amphion has 10,339 GitHub stars and bernstein has 1,206. Amphion has the larger community by that measure.
Are Amphion and bernstein free?
Both are open source. Amphion is licensed under MIT and bernstein under Apache-2.0. Neither carries a licence fee.
What is the difference between Amphion and bernstein?
Amphion is written in Python and bernstein in Python. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, Amphion or bernstein?
Choose Amphion if you want the larger community (10,339 stars) or its MIT licence terms. Choose bernstein if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.