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Claude Code vs Aider: catalog facts
Claude CodeAider
Paid

Requires a paid Claude subscription or API credits.

Free

Aider itself is free and open source under Apache 2.0. You pay whatever your chosen model…

Windows, macOS, Linux, Command line Windows, macOS, Linux, Command line
  • Works directly in a real repository, running commands and tests rather than only suggesting text
  • Available in the terminal, IDEs, desktop and web from one subscription
  • 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
  • Requires a paid Claude plan or API credits
  • It runs commands in your environment, so it needs supervision and permissions
  • Needs an API key and per-token spend unless you run a local model
  • Terminal-driven; there is no graphical interface
Downloadable app Downloadable app
Closed source Open source
License not stated License: Apache-2.0
Not stated if an account is needed No account needed
Not stated if it works offline Needs internet

Checked September 22, 2026

Checked September 21, 2026

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