Aider vs Bolt

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.

Bolt.new is an AI-powered web development platform by StackBlitz that enables users to build, run, and deploy full-stack web applications directly in the browser using natural language prompts. It supports multiple frameworks and provides instant deployment.