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Aider

by Aider

AI pair programming in your terminal.

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Reviewed by the Softwares.com Editorial Team · Last updated June 2026 · How we rate

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Key facts

Vendor
Aider
Pricing
Open source — Free
Free tier
Yes
Platforms
Mac, Windows, Linux
Best for
Developers
Editor rating
4.5 / 5
Founded
2023
Headquarters
Open source

What is Aider?

Aider is a ai coding tool from Aider. Aider is an open-source CLI that pairs with LLMs to edit code in your git repo.

Aider uses open source pricing and offers a free tier you can start on without a credit card. Free.

It's best suited to developers and runs on Mac, Windows, Linux.

Standout strengths include free & open source, works with any model, git-aware. Worth weighing: pay for model api usage, terminal-based.

Aider pricing

Free (BYO API key)
Free
Get Free (BYO API key)

Pros

  • Free & open source
  • Works with any model
  • Git-aware

Cons

  • Pay for model API usage
  • Terminal-based

Aider vs alternatives

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Frequently asked questions

What is Aider?

Aider is an open-source CLI that pairs with LLMs to edit code in your git repo.

How much does Aider cost?

Aider is open-source-priced. It has a free tier.

Does Aider have a free trial?

Aider offers a free tier rather than a time-limited trial.

What platforms does Aider support?

Aider is available on Mac, Windows, Linux.