openagent @ aider ~ $

cat README.md

Aider

AI pair programming in your terminal that maps your codebase, auto-commits to git, and works with 100+ languages and any LLM provider.

# 45K Stars · 3.2K Forks · Apache-2.0 License // verified 2026-05-27
aider/main
$pip install aider-chat
Installing Aider...
Aider ready
$aider --help
Reading aider configuration & environment...
# core strengths

What makes Aider different

Model-agnostic architecture

Aider works with any LLM provider — OpenAI, Anthropic, Google, local models, and more — through a flexible configuration system.

Developers can switch models based on task, cost, or speed requirements without changing their workflow.

Automatic git integration

Aider automatically commits changes with meaningful commit messages, creating a clean audit trail of AI-assisted edits.

Git integration means every AI edit is tracked, reviewable, and reversible — critical for production use.

Repository map for context

Aider builds a map of your codebase structure, helping the model understand relationships between files and modules.

Better context leads to more accurate edits, especially in large codebases where understanding architecture matters.
# quick start

Your first command

terminal
$pip install aider-chat
# use cases

How developers use Aider

01

Iterative feature development

Work with Aider in a conversational loop: describe the feature, review edits, request changes, and commit when satisfied.

02

Multi-file refactoring

Use Aider's repository map to refactor across multiple files while maintaining consistency and auto-committing changes.

03

Learning and exploration

Ask Aider to explain code, suggest improvements, or walk through unfamiliar modules while it tracks all changes in git.

# comparison

How Aider compares

Choose Aider for model flexibility and git integration vs Claude Code

Aider supports 100+ LLM providers and has deeper git integration. Claude Code may handle complex reasoning better but locks you into Anthropic's models.

# faq

Questions

Q: What should I check before using Aider?

Start with one safe workflow for Aider. Inspect official setup instructions, required credentials, execution logs, approval points, and failure recovery before expanding from a sandbox task into production automation.

Q: Is Aider open source?

Aider is listed with Apache-2.0 based on the official source links in this profile. Re-check the repository, model card, or docs before production use.

Q: Who should evaluate Aider?

Aider is most worth evaluating for developers who want model-agnostic AI pair programming in the terminal.