Sonnet 4 - Claps all others

Claude Sonnet 4 is amazing.
My requirements are complex. I just did 3 days of dev, each day working 14hr or more. I’m pretty impressed. This is the change Cursor needed to move to the next level.

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What type of coding were you working on?

I’ve kind of been just going with Gemini 2.5 flash thinking because it is so fast that it makes me feel unblocked enough to keep working, but maybe I should try Sonnet again.

Is there any specific method or process you use with C4S that worked well for you?

Something that has helped make things work that other forum members could benefit from.

I was working on Vector tools. Size and Padding. Sounds simple, but there is some advanced geometry involved. I ran through those tools pretty quick.

Here are things I do often:

  1. Prior to begining I tell my Model to go review the documentation and with that prompt include: “Pay attention to “X” as we will be working on this piece, when you are done we’ll begin.”

  2. I have set no custom rules in the Settings Panel.

  3. My documentation is in the root folder named: documentation.
    Documentation:

  • High Level Overview"
  • High Level User Flows
  • "Detailed use case scenarios.
  1. Delte Index, reindex, after every long session.

  2. If the Model is having a hard time accomplishing a task, I will make a diagram and feed it the diagram.

  3. WHen you give instructions do not use more than 2 tasks within your prompt.
    If the task is complex only assign 1 task.

  4. I do not allow my Model to create UI and Functionality in one prompt. I will do the UI first and then assign the functionality, but if it’s e.g., a component that has a dependency that it will connect with, make sure both have completed UI.

  5. WHen I am working on UI I remind the Model not to do any functionality. When I’m working on Functionality I tell the Model not to mess up the UI.
    “Be careful not to touch the UI code, as this took a long time to get correct.”

  • Not sure if this matters, but I compliment my model when it dooes something correct the first time. “Wow, Great job! Hi-five!”

And if you made it down this far, here is the biggest tip: TOKENIZE Color, Fonts, Padding etc… This is the key to Cursor. I put this at the bottom for those intelligent enough to read this far. THis is so key!

I hope this helps.

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