How to Correctly Create a Prompt for a Neural Network

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Neural networks are fascinating. They can write articles, generate images, solve problems, and sometimes do all of that in a way that makes you wonder if you’re talking to a human. But here’s the part most people underestimate: the result depends almost entirely on how you ask for it. That "how" is called a prompt.

I’ve been experimenting with AI tools since before they were cool (yes, I was that nerd who signed up for beta programs no one had heard of). Over time, I realized that prompt writing isn’t just a technical step — it’s the steering wheel of the whole process. You can have the best model in the world, but if your prompt is sloppy, you’ll get sloppy results. And sometimes hilariously off-target ones.

One time I asked for "a quick summary of healthy breakfast ideas." The AI confidently gave me a recipe for… steak and fries. Technically food. Definitely not breakfast. That’s when I understood: vagueness is the enemy.

1. Understand What You’re Dealing With

Think of the AI as a very fast, very polite, slightly overconfident intern. It doesn’t "know" what you mean unless you spell it out. But if you give it examples, patterns, and a clear role, it will often exceed expectations.

For instance, instead of saying "Write something about marketing trends", I might say:

Write a 700-word LinkedIn article aimed at small business owners, explaining 5 marketing trends for 2025. Use a practical, slightly informal tone, as if you’re giving advice to a colleague over coffee.

That one detail — who the audience is — changes everything.

2. Be Specific Without Overcomplicating

Too vague, and it will improvise wildly. Too specific, and you risk sucking all the creativity out of the output. The sweet spot? Enough detail to guide it, but still some room for interpretation.

Bad:

Write a story about a cat.

Better:

Write a short, humorous story (around 400 words) about a grumpy black cat who accidentally becomes famous on social media. Keep it lighthearted, with quick pacing.

Notice how the second version narrows the possibilities without locking them in a cage.

3. Give It a Role and Context

This one’s underrated. If you say "You are an experienced travel blogger," the AI will naturally adjust the tone. It’s like telling an actor what character they’re playing before the scene starts.

I’ve even gone as far as adding little backstories in my prompts. For example:

You are an eco-conscious chef writing a recipe for a sustainable living magazine. The audience is mostly people in their 30s who are curious but not experts. Your recipe should be easy, fun, and budget-friendly.

When you provide this level of context, the AI’s output becomes more tailored and believable.

4. Show, Don’t Just Tell

Telling the AI "make it engaging" is vague. Showing it what you mean works far better. If you have a piece of writing you like — even if it’s just a paragraph — you can paste it into your prompt as a reference.

Example:

Here’s a sample introduction:
"Small changes make big differences. Today: skip the elevator. Tomorrow: you’ll be hiking mountains."
Now, write five motivational tweets with a similar style and rhythm.

This method is especially useful for tone and formatting. Without it, the AI might default to something generic that misses your intended mood.

5. Test, Tweak, Repeat

Prompt crafting is a loop, not a one-off. You write a prompt, see what comes back, adjust, and try again. Sometimes, changing just two words can completely flip the tone or accuracy.

I actually keep a little "prompt journal" in Google Docs. Every time I hit on a phrasing that works really well, I save it. Over months, this turns into a personal prompt library that I can reuse or adapt.

6. The Human Touch Matters More Than You Think

Even with the perfect prompt, AI output can feel… too polished. Sometimes it’s grammatically flawless but emotionally flat. This is where you come in.

Read the draft. Ask yourself: "Would I actually say this out loud?" If not, rewrite parts. Add personal anecdotes, opinions, even small contradictions. Humans talk in half-thoughts sometimes, and that’s part of what makes our writing relatable.

Bonus: Prompt Templates You Can Steal

  • For articles: "Write a [word count] article for [audience type] explaining [topic] in a [tone] style. Include [specific points or structure]."

  • For creative writing: "Write a [length] story in the style of [author or genre], featuring [character] who [situation/conflict]."

  • For summaries: "Summarize the following text in [X] sentences, keeping a [tone] style and including the key takeaways."

  • For brainstorming: "Give me [number] unique ideas for [goal or project], each with a short explanation and an example."


Good prompts are like good questions — they invite better answers. If you treat the AI as a partner instead of a vending machine, you’ll start getting results that actually surprise you (in a good way).

Experiment, adjust, and have fun with it. The more curious and playful you are, the better your prompts will get. And if the AI gives you a steak-and-fries "breakfast" again? At least you’ll have a funny story to tell.

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