Side by side
Amphion vs Applio
Both stand on ai voice conversion software. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan LinuxSelf-hosted
Amphion brings a broad set of audio-generation tasks, models, evaluation metrics, and dataset tools into one open-source toolkit. Text-to-music is not yet supported, and its Docker setup has specific NVIDIA and dataset requirements.
Visit Amphion
Free plan Open source APILinuxMac+3
Applio combines recorded and live voice conversion with model creation tools at no charge. Its local-training guidance and caution about external models are worth noting before getting started.
Visit ApplioThe facts
| Amphion | Applio | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | Yes |
| Runs on | Linux, Self-hosted | API, Linux, Mac, Self-hosted, Web, Windows |
| Lowest paid plan | Free or on request | Free or on request |
| Plans published | 1 | 1 |
| Maker | Not published | Not published |
| Website | github.com | applio.org |
| On ai voice conversion software | #3 of 29 | #1 of 29 |
Amphion: what it does well
- Supports several speech and singing generation tasks.
- Includes named models for speech and voice conversion.
- Provides objective audio evaluation metrics.
- Unifies preprocessing for multiple open-source datasets.
- MIT-licensed and free for commercial use.
What to know first
- Text-to-music is still in development.
- Docker setup requires NVIDIA drivers, toolkit, and CUDA.
- Docker use requires mounting the dataset.
Applio: what it does well
- Free, open-source MIT-licensed software.
- Converts recorded audio and supports live voice conversion.
- Includes model training, blending, and text-to-speech tools.
- Audio and models stay on-device unless shared.
- Available across Linux, macOS, Windows, web, and self-hosted setups.
What to know first
- Local training guidance recommends an Nvidia RTX 20-series GPU or newer.
- Downloaded models come from external sources and should be verified.
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