Compare software

Qwen CodeAider
Free

The tool is free and open source; the model provider you connect may charge for usage.

 Free

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

Command line Windows, macOS, Linux, Command line
  • Open source and actively developed
  • Works in the terminal alongside existing tools
  • 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
  • Terminal only, no graphical interface
  • Needs access to a language model, which may carry costs
  • 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
Open 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 26, 2026

Checked September 21, 2026

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