A free digital emulation of the Klon Centaur guitar pedal with Traditional and Neural modes.
VST3supportedAUsupportedAAXsupportedCLAPnot supportedWINsupportedMACsupportedLNXsupported
Checked September 2026
ChowCentaur is best for transparent overdrive for guitar; Neural Amp Modeler is best for free amp and pedal captures. ChowCentaur starts at Free and Neural Amp Modeler at Free.
A free digital emulation of the Klon Centaur guitar pedal with Traditional and Neural modes.

An open-source project using deep learning to model guitar amplifiers and pedals.
| ChowCentaur | Neural Amp Modeler | |
|---|---|---|
| Best for | transparent overdrive for guitar | free amp and pedal captures |
| Starting price | Free | Free |
| Free version | Yes | Yes |
| Free trial | — | — |
| Formats | VST3, AU, AAX | VST3, AU |
| OS | Windows, macOS, Linux | Windows, macOS |
| Key features | Traditional and Neural modes, Wave digital filter circuit modeling, RNN-based gain stage, Standalone and iOS versions | Deep-learning amp and pedal modeling, Open source (MIT), Plugin and standalone, Built on iPlug2 |
| Developer | ChowDSP | Steven Atkinson |