Ilai Szpiezak

Prompt Engineering or Context Engineering?

Hey PH community!

I’ve been spending a lot of time thinking about how people actually work with prompts while building a tool in this space, and I realized I have way more questions than answers.

A few I’d love to throw out:

  1. Where do your “good” prompts live? Do you keep a library somewhere, or do you mostly keep them inside old chats?

  2. Do you test your prompt with different models?

  3. How do you know if you've missed anything in your prompt? Ask ChatGPT, or iterate somewhere else?

  4. And how do you think about Context when vibe coding?

Please share your experience below! This is super helpful! 🙌

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Peter Claridge

I'm a daily user of chatgpt, claude and recently Google Antigravity. Both for work and on personal projects.

  1. Where do your good prompts live? I have no idea whether my prompt is a good prompt or not. I seem to get the desired output so haven't found the need to save or remember anything.

  2. Testing prompts with new models? No...

  3. Missing anything in the prompt? I just edit the initial prompt if I realize I forgot something in the prompt.

  4. Context in vibe coding - not sure what that means?

I imagine I am chaos when it comes to prompting 😂 but haven't found a need to structure what I ask an LLM, they all seem to understand what I'm asking, but also I can't remember I time when I've had to repeat a prompt.

Ilai Szpiezak

@peterclaridge Interesting! Thanks for sharing!!! Which LLMs do you use?

Janefrances Christopher

I may have tried every single vibe coding tool that exists. But recently, I've been chilling with Antigravity cos of one feature.

Anyway, when it comes to prompting, context matters more than anything.

For the record, I do research and strategy first before I meet any vibe coding tool. I am a product designer, so usually before I go into any design, I have my PRD, what to focus on and what not to focus on, why, how, and what.

When you have most of these questions answered, vibe coding becomes somewhat easy.

I do not test with different models, because I have settled with Opus.

To ensure I do not miss anything with my prompt, I let the tool create a build plan first after I give it my PRD, project instructions, branding, strategy and research report.

Then we use teh plan to build along.

This has helped me build with speed and create an aligned product.