Aider vs Jan

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.

Jan is open-source desktop app for running AI models locally with an offline-first, privacy-focused design. It provides comprehensive features for ai-tools workflows. The tool is actively maintained with regular updates and strong community/vendor support.