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Cursor beginners usually struggle with when to use which AI mode in...

@moritzkremb
Moritz Kremb@moritzkremb
26 views Jan 20, 2025 ~2 min read
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Cursor beginners usually struggle with when to use which AI mode in Cursor:
· AI Chat
· Composer
· Agent

Here's a full guide 🧵
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First some background:

- There are 3 different AI modes in Cursor relevant for beginners: Chat, Composer, Agent (I won't talk about other Cursor AI features like Tab and CMD+K, since those are more for pros).

- AI Chat was released first, then Composer, then Agent

- Toggle the AI pane on the right to open Chat. Use CMD+I to open Composer. Toggle for Agent.
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1) AI Chat

I think of the AI Chat as an assistant. It's more hands-off and does not directly modify your code.

It's good for:
- EXPLANATIONS: Explain which parts of your code does what, or what steps to take to implement a new feature
- Code ITERATIONS: Whenever you're editing code and want to be very precise in what you're editing (which is most of the times tbh)
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2) Composer

The main difference to the AI Chat, is that Composer can create files and modifies code straight away

Use it when:
- You're STARTING a project, to create the files and get started quickly
- You know exactly what you want and need SPEED (be careful not to implement too much at once)
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3) Agent:

The main difference to Composer is that Agent has better contextual awareness and can execute terminal commands.

This means:
- Same use cases as Composer (setup & speed)
- Tbh Agent is just a better version of Composer, so imo there's no more big reason to use Composer now
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Conclusion:

- When you're building and iterating on a project, it makes a lot of sense to use Chat, so that you can be precise and produce code that works

- When you need speed and a lot of contextual awareness, use Agent.
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