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AIVA vs ACE-Step: catalog facts
AIVA	ACE-Step
Freemium Free plan for non-commercial use with three downloads a month; paid plans start at 11…	Free Free and open source under the MIT license.
Web	Windows, macOS, Linux, Command line
More than 250 generation styles Custom style models from uploaded audio or MIDI	Runs locally across Mac, AMD, Intel and CUDA hardware Actively maintained with a 2026 model-series update
Free plan is non-commercial and AIVA keeps the copyright Full ownership requires the Pro plan	Local generation quality and speed depend heavily on the hardware used Best results likely still require a capable GPU despite broader hardware support
Web application	Downloadable app, Self-hosted
Closed source	Open source
License not stated	License: MIT
Account needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 22, 2026

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