Choosing the Right Claude Tool
You know what each module is. Now see what using each one actually feels like — with real examples and interactive previews of each interface.
Claude Chat
Your first stop for almost everything
Open claude.ai in any browser, type your question or task, and Claude replies instantly. No installation, no setup — just a conversation.
- ✓ Writing — emails, essays, summaries
- ✓ Explaining concepts in plain language
- ✓ Brainstorming ideas quickly
- ✓ Answering questions on any topic
Claude reads only what you type or paste. It cannot access your files, run code on your computer, or browse the web (without a plugin).
Claude Code
A CLI tool that codes inside your real project
Install Claude Code once, then run claude inside any project folder. Claude reads your actual files, makes changes, and runs commands — all from plain-English instructions.
- ✓ Adding features to existing projects
- ✓ Fixing bugs by describing them
- ✓ Generating tests automatically
- ✓ Refactoring code across multiple files
You need to be comfortable opening a terminal and navigating to a project folder. Claude does all the actual coding — you just describe what you want.
Skills & Plugins
Extend Claude with live data and specialist tools
Inside claude.ai, you can activate plugins — each one adds a new capability. Web Search gives Claude live information. Document Reader lets it analyse PDFs. Each plugin is one click to enable.
Python 3.13 is the latest stable release (October 2024). You can download it at python.org.
- ✓ Getting up-to-date information from the web
- ✓ Analysing uploaded PDFs or spreadsheets
- ✓ Domain workflows (reports, quizzes, code)
- ✓ Connecting Claude to external services
Standard Chat is limited to what you provide. Plugins break that boundary — Claude can search the web, read files, and pull live data on your behalf.
Claude Cowork
Automates multi-step tasks on your computer
Cowork is a desktop app where Claude can take action — open folders, read files, control your browser, fill forms, and run sequences of steps. You give one instruction; Claude handles everything else.
- ✓ Batch processing files automatically
- ✓ Filling forms or navigating websites
- ✓ Multi-step research and report creation
- ✓ Repetitive computer tasks you do weekly
Chat gives you answers. Cowork takes actions. It can do in 30 seconds what would take you 20 manual steps — with no coding required.
Key Differences at a Glance
All four run the same Claude AI. The difference is the environment, the autonomy level, and the skill required.
| Module | Runs where? | Skill needed | Autonomy level |
|---|---|---|---|
💬Claude Chat | Browser / Mobile | None required | Conversational — you stay in control |
💻Claude Code | Terminal / CLI | Comfortable with a terminal | Full — edits your files directly |
⚡Skills & Plugins | Browser (claude.ai) | None required | Guided — Claude suggests, you decide |
🤝Claude Cowork | Desktop app | None required | Full — acts on your machine |
Same Task, Different Module
The clearest way to understand the differences is to watch how each module handles the exact same task.
Summarise all .txt files in a folder and save the results
Opens the folder, reads every file, writes summaries, and saves them — entirely on its own. You just describe the task once.
Writes a Python script that does the batch summarisation, runs it in your terminal, and shows the output.
You paste each file text manually, Claude summarises it, and you copy the result yourself. Fine for 2-3 files.
Build a simple to-do app
Reads your project, scaffolds the full app, creates files, writes tests — all from one plain-English instruction. No copy-pasting.
Uses a coding plugin to generate a working HTML + JS artifact you can copy and use immediately.
Writes the code step by step. You copy each part into your editor yourself.
Fill an online form with data from a spreadsheet
Opens the browser, reads the spreadsheet, navigates to the form, fills each field automatically. Zero manual work.
Writes a Playwright automation script that you run once to do the same thing programmatically.
Not the right tool — Claude Chat cannot control your browser or interact with external apps.
Which Module Should I Use?
Key Takeaways
- 💬Claude Chat is the starting point — open a browser, type, get an answer. No setup required.
- 💻Claude Code lives in your terminal and edits your actual files — no copy-pasting, just describe the task.
- ⚡Skills and Plugins unlock live data and specialist tools inside claude.ai with one click.
- 🤝Cowork acts on your computer — it handles multi-step tasks on its own with no manual steps from you.
- 🎯The same task feels completely different across modules — Chat requires your effort, Code and Cowork do the work for you.
What's Next
Tools compared. Next module: Claude Skills — save reusable instructions as named slash commands that Claude triggers automatically.