Aider: score, price and alternatives in 2026

Terminal pair-programming tool that works with many models. Aider is made by Aider and ranks #82 of 100 in our ranking of AI agents, with a score of 66/100.

Score
66/100
Overall rank
#82
Coding rank
#25 of 27
Company
Aider

Aider pricing

Free and open source (Apache 2.0); you pay your model provider.

Checked against the vendor's page on . Official pricing page.

How Aider scores

Popular open-source tool under Apache 2.0; the last commit on its main branch was about five months ago. It does best on ease of access, adoption and pricing transparency. It loses points on security & governance and momentum.

Scores are editorial judgments on a 1 to 5 scale per criterion, weighted to a total out of 100. How the scoring works.

Aider alternatives

See the full ranking of 100 AI agents, with search and filters.

Frequently asked questions

How much does Aider cost?

Free and open source (Apache 2.0); you pay your model provider. We checked this on the vendor's official page on 2026-10-31; prices change often, so confirm there before you buy.

Does Aider have a free plan?

Yes, its own pages list a free tier or free edition. Limits differ by plan: Free and open source (Apache 2.0); you pay your model provider.

What is Aider?

Terminal pair-programming tool that works with many models. It is made by Aider and sits in our Coding category.

How good is Aider compared with other AI agents?

It scores 66/100, which is #82 of 100 agents overall and #25 of 27 in Coding. Closest alternatives: GitHub Copilot (coding agent) (90/100), Claude Code (87/100) and OpenAI Codex (84/100).

How is the score calculated?

Each agent gets 1 to 5 on 8 weighted criteria; the points add up to a total out of 100. The scores are Deyron Labs editorial judgments, not benchmarks.

Our independence

Scores and positions are never for sale, and vendors do not review or edit this page. There are no sponsored or affiliate links on it. If that ever changes, the links will be labeled. Spotted a wrong detail? Suggest a correction and include the official page that shows it. Visit Aider's official site.