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Aider vs Muse Code: catalog facts
Aider	Muse Code
Free Aider itself is free and open source under Apache 2.0. You pay whatever your chosen model…	Freemium The CLI is a free install; model usage goes through Meta's Model API, with sales contact…
Windows, macOS, Linux, Command line	Windows, macOS, Command line
Commits every change to git automatically, so the usual diff and revert tools work Maps the whole codebase, which is what makes it usable on projects of real size	Multi-agent coding in the terminal Built for Meta's Muse Spark coding models
Needs an API key and per-token spend unless you run a local model Terminal-driven; there is no graphical interface	Depends on Meta's hosted models Pricing details are not clearly stated on the homepage
Downloadable app	Downloadable app
Open source	Closed source
License: Apache-2.0	License not stated
No account needed	Not stated if an account is needed
Needs internet	Needs internet
Official website Full listing and sources Checked September 21, 2026	Official website Full listing and sources Checked October 1, 2026

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