The 30-second version
- Claude Chat, the website at claude.ai. You ask, it answers. Back and forth conversation. Best for thinking, drafting, and quick tasks.
- Claude Cowork, a feature in the Claude desktop app. You describe an outcome, Claude makes a plan, you approve, Claude executes. Best for delegating multi-step work involving files on your computer.
- Claude Code, a terminal app for developers. Lives in your code editor. Reads and writes files, runs commands, builds software autonomously. Best for actual coding and technical projects.
Claude Chat. Your "quick draw" AI
This is what most people think of when they hear "Claude." Open the website or app, type something, get an answer. Back and forth as long as you want.
What it's great at:
- Quick questions and explanations
- Writing emails, posts, drafts, summaries
- Reviewing or analyzing a document you paste in
- Brainstorming and bouncing ideas
- Generating Artifacts (HTML, slides, images, charts) inline
What it's not for:
- Touching files on your computer directly
- Running long autonomous workflows
- Code projects with many files
Claude Cowork. Your delegation tool
Cowork lives inside the Claude desktop app and is built for the "I want to delegate this whole task" use case. You point Cowork at a folder on your computer, describe what you want done, and it works on it. It can read your files, write new ones, organize folders, and call out to connected tools like Slack, Notion, or Google Drive.
What it's great at:
- Multi-step work that takes more than a single back-and-forth
- Tasks involving files on your computer (organize, clean up, batch convert)
- Pulling info from connected tools (Gmail, Slack, Notion, Drive) and acting on it
- Producing real deliverables (.docx, .xlsx, .pptx) you can save
- Non-technical users who don't want to deal with terminals or code editors
What it's not for:
- Highly regulated work where audit logs are required (use Enterprise plans instead)
- Pure conversational thinking. Use Chat for that.
- Hands-on software development. Use Code for that.
It is the first Anthropic product designed for non-developers to delegate real work. You don't need to know how to code, install anything technical, or manage an agent framework. You point at a folder, describe an outcome, and approve a plan. That's it.
Claude Code. Your developer power tool
Code is a terminal-based AI agent for developers. You install it locally, give it access to your repo, and it can read code, write code, run tests, fix bugs, build features, and check things into git. It is the most autonomous of the three.
What it's great at:
- Writing and refactoring code across multiple files
- Running tests, debugging, fixing build errors
- Long technical sessions where you want AI to push the work forward
- Integrating with your IDE (VS Code, Cursor, JetBrains)
- Building skills and plugins for technical workflows
What it's not for:
- Non-developers. The learning curve is steep.
- Writing documents or non-code deliverables. Cowork is better.
- One-off questions. Chat is faster.
The big differences in one table
| Chat | Cowork | Code | |
|---|---|---|---|
| Where it lives | Web and mobile | Desktop app | Terminal / IDE |
| Who it's for | Everyone | Non-technical to power users | Developers |
| File access | Upload only | Local folders | Full project access |
| Autonomy | Step by step | Approved plans | Mostly autonomous |
| Setup | None | Install desktop app | CLI install + config |
| Best for | Thinking, drafting | Delegating tasks | Building software |
Which one should you pick?
- You're new to AI? Start with Chat. Spend a week. Get comfortable.
- You're a lawyer, consultant, or owner doing document work? Add Cowork once you're comfortable with Chat.
- You manage a small business and want AI to handle file organization, intake, summaries, reports? Cowork is the answer.
- You write code? Code. Pair with Chat for ideation, Cowork for non-code parts.
- You want one tool that does everything? The pro answer is you use all three. Chat for thinking, Cowork for delegating, Code for building.
The intermediate take: they share an account
All three run off the same Claude account and subscription. Your $20/month Pro plan gets you Chat plus Cowork. Code has its own usage tracking but uses your same login.
They also share the same brain (the Claude model). The differences are in the interface and what each one can do, not the AI itself. You're talking to the same Claude in all three.
The advanced take: security profiles differ
This matters more than people realize.
- Chat is the most contained. Claude only sees what you upload or paste. Nothing on your computer is exposed.
- Cowork runs in an isolated virtual machine on your device. It can touch the folder you give it access to, but nothing else. Safer than letting AI roam your whole computer.
- Code has the broadest access. It can read and write across your project and run terminal commands. Powerful, but you should only use it on projects where you're okay with that level of access.
For regulated work or sensitive data, Enterprise plans add audit logs, single sign-on, and contractual data protections across all three. See topic 14 for the full security walkthrough.