Amphion

What it is

Amphion is an open-source toolkit designed for audio, music, and speech generation. It supports reproducible research and aids junior researchers and engineers in the field. Written in Python, Amphion offers a range of capabilities including text-to-speech, voice conversion, and music generation. The project is actively maintained with a significant number of contributors, indicating a collaborative development environment. However, it currently has a high number of open issues, which may affect stability.

Focus on supporting reproducible research in audio generation.

When it fits — and when it doesn’t

Known weaknesses

Each one links to the public issue, changelog or docs page it came from, where we have one.

1. 01

   High number of open issues

   174 open issues on GitHub.

2. 02

   Limited documentation

   Sparse README and setup instructions.

3. 03

   No recent npm activity

   Last npm publish was in 2023.

What it does well

• Comprehensive audio generation capabilities

  Supports text-to-audio, music-generation, and voice-conversion.

• Open-source with MIT license

  Available on GitHub under MIT license.

• Active development and community

  32 contributors and regular updates.

Pricing

Free tier

Yes

Paid from

—

Model

N/A

Enterprise plan

No

Pricing last confirmed Sep 28, 2026.