Aider vs GitHub Copilot

aider is an open-source AI pair programming tool that runs in the terminal and works with local git repositories. It connects to language models like GPT-4 and Claude to edit code directly in existing projects, automatically creating git commits for changes. The tool supports multiple programming languages and can edit multiple files simultaneously.

GitHub Copilot is a ai-tools tool that ai pair programmer that suggests code completions and generates functions inline within supported editors. It offers a freemium pricing model.