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Aider

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Open-source terminal AI pair programmer that edits code in your local git repo and auto-commits, working with most LLMs.

What it does

Aider is an open-source command-line AI pair programmer. It edits code directly in your local git repository, maps your whole codebase for larger projects, auto-commits changes with sensible messages, and works with cloud or local LLMs across 100+ languages.

How to use: To use Aider, first install it using `python -m pip install aider-install aider-install`. Then, change the directory into your codebase using `cd /to/your/project`. Finally, run Aider with your chosen model and API key, such as `aider --model deepseek --api-key deepseek=<key>` for DeepSeek, `aider --model sonnet --api-key anthropic=<key>` for Claude 3.7 Sonnet, or `aider --model o3-mini --api-key openai=<key>` for o3-mini.

Core features

Terminal-based AI pair programming
Edits code in your local git repo
Automatic git commits with messages
Codebase mapping for large projects
Works with cloud and local LLMs
Voice-to-code, image/web context, lint and test

Best for

→Building features and fixing bugs via AI in the terminal
→Working on large existing codebases
→Automating git commits
→Using local LLMs for private coding
Toolspool rankingby monthly traffic

Reviews

Big-picture takes: what it's for and whether it delivers. High-engagement YouTube videos — not sponsored.

Cursor is great BUT Aider is the OG AI Coding King (Mermaid Diagram AI Agent)
IndyDevDan · 71K views
Why you should use Aider for AI coding
Zen van Riel · 34K views

Tutorials

Step-by-step: exactly how to get things done with it.

SECRET SAUCE of AI Coding? AI Devlog with Aider, Cursor, Bun and Notion
IndyDevDan · 41K views
Aider tips and Example use
Tech Friend AJ · 33K views