Compare software

ACE-Step vs DiffRhythm: catalog facts
ACE-Step	DiffRhythm
Free Free and open source under the MIT license.	Free Free to download and run; the code and model are published on GitHub.
Windows, macOS, Linux, Command line	Linux, Command line
Runs locally across Mac, AMD, Intel and CUDA hardware Actively maintained with a 2026 model-series update	Generates full-length songs rather than short clips Inference and training code published together
Local generation quality and speed depend heavily on the hardware used Best results likely still require a capable GPU despite broader hardware support	Research code with no graphical application Needs a Python environment and suitable hardware
Downloadable app, Self-hosted	Downloadable app
Open source	Closed source
License: MIT	License not stated
Not stated if an account is needed	No account needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked September 26, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.