Aider

Open-source AI pair programming in the terminal, working against a local git repo.

Facts

Made by: Aider-AI (open-source project)
Interface: Terminal CLI
Models: Model-agnostic (bring your own)
Licence: Apache-2.0
How it's billed: Free and open source. You pay your chosen model provider directly (bring your own API key). Vendor pricing
GitHub stars: 49,634 (live from GitHub API, 2026-10-19)
Links: Website/docs · github.com/Aider-AI/aider

Popularity ×30%94

Adoption ×20%92

Activity ×25%35

Momentum ×15%76

Openness ×10%100

Computed from public GitHub data. This measures traction and upkeep, not how well the agent does tasks. How the score works

Not yet tested

No verified run yet. We don't estimate.

Embed (Markdown)

Suggested headless invocation. Check it against the agent's current docs, because CLI flags change.

node harness/run.mjs run --task auth-fix-01 --agent aider \
  --cmd 'aider --yes-always --message-file TASK.md src/auth.js'