What is Claude Code and how is it different from chatting with Claude in a browser?

Claude Code is an agentic command-line tool developed by Anthropic designed to help you build, debug, and maintain code directly within your terminal.

While chatting with Claude in a browser is a conversational experience, Claude Code is an interactive tool that operates inside your local development environment. Here is how they differ:

Claude Code (Terminal-based)

• Direct Access: It runs in your terminal, meaning it has direct access to your local file system. It can read your files, execute commands, run tests, and create or modify code automatically.
• Agentic Workflow: You can ask it to perform multi-step tasks, such as "find all instances of this bug, fix them, and run the test suite." It handles the execution and provides feedback on the results.
• Tool Usage: It is specifically built to use tools like grep, file editors, and your terminal shell to perform work autonomously, with your approval for sensitive actions.

Claude in a Browser

• Conversational: The browser interface is primarily for brainstorming, explaining concepts, drafting code snippets, or analyzing text you provide.
• Passive Interaction: It does not have access to your local files or terminal unless you manually copy-paste code back and forth. You are the one who executes the commands and implements the changes.
• Generalist: It is optimized for a broad range of tasks—writing, analysis, and creative work—rather than the specific, iterative cycle of software engineering.

In short, the browser version is a collaborator you talk to, while Claude Code is a development agent you give instructions to that then performs the actual labor on your computer.