Most bad AI output is a bad prompt, not a bad model. These three patterns fix the majority of it. Each one includes a template you can copy.
1. Role plus constraints
Vague prompts get vague answers. Give the model a role and hard constraints:
You are a senior Python reviewer. Review the code below.
Rules:
- List only real bugs, not style nits
- Max 5 items
- Each item: one line describing the bug, one line with the fix
The constraints do the heavy lifting. "Max 5 items" and "one line each" force density. Without them you get a polite essay.
2. Few-shot examples
Show the model what good output looks like instead of describing it. Two examples beat two paragraphs of instructions:
Convert these into calendar event titles:
Input: "Lunch with Sara tomorrow at noon"
Output: "Lunch - Sara"
Input: "Dentist appointment Friday 3pm"
Output: "Dentist"
Input: "Call the bank about the fee on Monday morning"
Output:
The model continues the pattern. This works for formatting, classification, tone matching, and extraction. Use it whenever the output has a shape you can demonstrate.
3. Ask for questions first
For anything complex, make the model interrogate you before it answers:
I want to automate my invoice reminders. Before you suggest anything,
ask me every question you need answered to give a good recommendation.
This kills the biggest failure mode: the model guessing your context and confidently solving the wrong problem. Answer its questions, then let it work.
Putting it together
A strong prompt usually combines all three: a role with constraints, one or two examples of the output shape, and a questions-first step for anything ambiguous. Try rewriting your most-used prompt with this structure and compare the outputs.
I build AI automations for businesses. Chatbots, workflow automation, custom tools that cut manual work. Engineering proof: github.com/Dextheking1. DMs open on X: @FREEAIMETHODS.
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