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Aider is AI pair programming in your terminal

Aider lets you pair program with LLMs, to edit code in your local git repository. Start a new project or work with an existing git repo. Aider works best with GPT-4o & Claude 3.5 Sonnet and can connect to almost any LLM.

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Getting started

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If you already have python 3.8-3.13 installed, you can get started quickly like this:

python -m pip install aider-install
aider-install

# Change directory into your code base
cd /to/your/project

# Work with Claude 3.5 Sonnet on your code
aider --model sonnet --anthropic-api-key your-key-goes-here

# Work with GPT-4o on your code
aider --model gpt-4o --openai-api-key your-key-goes-here
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See the installation instructions and usage documentation for more details.

Features

Top tier performance

Aider has one of the top scores on SWE Bench. SWE Bench is a challenging software engineering benchmark where aider solved real GitHub issues from popular open source projects like django, scikitlearn, matplotlib, etc.

More info

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