Aider vs OpenRouter

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.

OpenRouter is Unified API gateway that provides access to models from multiple AI providers through a single endpoint.. It is available under a paid model. This tool falls under the ai tools category.