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Aider

Open-source AI pair programmer in your terminal.

From free (open source) + model API Free tier Yes Best for terminal coders, git workflows, model flexibility
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Aider is a free, open-source CLI tool that edits your local git repo with AI, letting you code by chatting in the terminal.

Key features

  • Terminal-based
  • Edits your git repo
  • Open source
  • Works with many models

Pros

  • Free & open source
  • Bring your own model
  • Git-native

Cons

  • CLI only
  • Pay for model API

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Guides mentioning Aider

AI Coding Assistants

AI Coding Agents vs Copilots: Devin, Cursor, Aider, and GitHub Copilot Compared (2026)

How autonomous coding agents differ from in-editor copilots in 2026, and which of Devin, Cursor, Aider, and GitHub Copilot fits your workflow and budget.

Guide · updated 2026-05-30→

Aider FAQ

Is Aider free?

Aider has a free tier you can start with; paid plans start from free (open source) + model API.

How much does Aider cost?

Aider pricing starts from free (open source) + model API. Check the official site for current plans.

What are the best alternatives to Aider?

Top alternatives to Aider include Cursor, Windsurf, Sourcegraph Cody.

What is Aider best for?

Aider is best for terminal coders, git workflows, model flexibility.

Reviewed by the ToolGlance editorial team · Last updated 2026-05-30