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ACE-Step vs Soundful: catalog facts
ACE-Step	Soundful
Free Free and open source under the MIT license.	Freemium Free to start, with paid and enterprise offerings.
Windows, macOS, Linux, Command line	Web
Runs locally across Mac, AMD, Intel and CUDA hardware Actively maintained with a 2026 model-series update	Free tier to try the generator Tracks presented as royalty-free and owned by the user
Local generation quality and speed depend heavily on the hardware used Best results likely still require a capable GPU despite broader hardware support	Much of the site is aimed at enterprise branding Web service only
Downloadable app, Self-hosted	Web application
Open source	Closed source
License: MIT	License not stated
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Needs internet
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.