Aider

AI pair programming in your terminal

Visit Aider aider.chat
76/100Our scoreAccess 25/25 · Platforms 12/20 · Features 20/20 · Use cases 10/10 · Pricing transparency 7/15 · Adoption 2/10How we score

Overview

Aider is a free, open-source tool for pair programming with large language models in your terminal. It maps your codebase, works with cloud and local models, supports 100+ languages and commits changes to Git automatically.

Key features

  • Terminal-based pair programming
  • Codebase map
  • Cloud and local models
  • Git integration

Use cases

  • Editing code from the command line
  • Starting new projects
  • Working with local models

Pricing

Pricing model
Free
Starting price
Not listed here (we only show prices we could verify)

Prices and plans change often. Confirm current pricing on aider.chat before you buy. Last checked October 18, 2026.

Pros and cons

Pros

  • Free to use
  • Available on macOS, Windows, Linux
  • Open-source or open-weight option

Cons

  • No notable drawbacks in the facts we list

Pros and cons are based only on the facts in this listing (pricing model, platforms and features), not on hands-on scores.

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