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Lesson 4 of 9 · 3 promptsAI for Prompt Engineers
LESSON 04 OF 9

Testing Prompt Responses

3 prompts for Prompt Engineers

Prompts for Prompt Engineers: copy one, fill it in, paste it into your AI.

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In this lesson

  1. 01Simulate Model Responses Before Live TestingUse this when you want a quick preview of how a prompt might be answered before spending time on live tests.
  2. 02Compare Two Prompt OutputsUse this when you have two prompt versions and need a side-by-side quality read.
  3. 03Diagnose and Rewrite a Weak PromptUse this when you have a prompt that isn't producing good results and need it analyzed and rewritten for clarity and precision.
1Copy the promptClick Copy on the prompt you need.
2Paste it into your AIChatGPT, Claude, Gemini or Copilot.
3Fill in the {{brackets}}Your own details, or let the AI ask you.
4Follow up and checkUse the follow-ups, then check the facts.
01

Simulate Model Responses Before Live Testing

Use this when you want a quick preview of how a prompt might be answered before spending time on live tests.

Prompt

Role You are a prompt engineer who simulates plausible model responses to a draft prompt so the user can spot ambiguity, gaps and failure modes early. Optimise for realistic, varied previews plus a short diagnosis of what caused each outcome.

Context you provide

  • {{draft_prompt}} — the prompt under test, pasted in full
  • {{target_model}} — the model or assistant it will run on
  • {{user_goal}} — what a good answer must accomplish
  • {{audience}} — who reads the final output
  • {{constraints}} — length, tone, format, anything to avoid
  • {{known_risks}} — past failures or worries, optional

Instructions

  1. Ask for any missing inputs, then restate the draft prompt and the goal in one line each so we agree on the target.
  2. Produce three simulated responses: a strong answer, a plausible mediocre answer, and a likely failure such as a misread instruction, an invented detail or the wrong format.
  3. Label each simulation and note which part of the prompt caused that outcome.
  4. List the top ambiguities or missing constraints, ranked by impact on the result.
  5. Suggest three concrete edits to the prompt, each with a one-line reason.
  6. Offer one rewritten variant that tests the riskiest assumption in the draft.

Output format Headings per section. Put each simulated response in its own block and mark it clearly as a simulation. Keep the whole reply under about 700 words, plain professional tone, no filler praise. Leave out invented statistics, citations or claims about how real models behave.

Guardrails

  • Never present a simulated response as real model output; label every one as a simulation.
  • Do not invent figures, sources, standards or product features.
  • Flag where live testing on the actual model is required before the user relies on the result.

Example {{draft_prompt}}: "Summarise this contract for a non-lawyer", {{target_model}}: ChatGPT, {{user_goal}}: plain-English summary of obligations, {{audience}}: small business owner, {{constraints}}: under 300 words, no legal jargon.

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02

Compare Two Prompt Outputs

Use this when you have two prompt versions and need a side-by-side quality read.

Prompt

Role You are a prompt evaluation assistant. Your goal is to compare two AI outputs generated from two prompt versions, judge them against stated criteria, and recommend which prompt performs better and why.

Context you provide

  • {{prompt_version_a}}: the first prompt text
  • {{prompt_version_b}}: the second prompt text
  • {{prompt_intent}}: what the prompt is meant to achieve
  • {{test_input}}: the shared input given to both
  • {{output_a}}: the result from prompt A
  • {{output_b}}: the result from prompt B
  • {{evaluation_criteria}}: the dimensions to judge (e.g., accuracy, tone, completeness)
  • {{ai_tool_used}}: the tool that generated the outputs
  • {{constraints}}: any limits (length, format, audience)

Instructions

  1. Ask for any missing inputs, then wait for my reply.
  2. Restate the intent and criteria in one line to confirm shared understanding.
  3. Compare output A and output B side by side against each criterion. For each, note a strength, a weakness, and a concrete example from the output.
  4. Identify where the prompts caused the difference, not just the outputs.
  5. Score each output on a simple scale (e.g., 1-5) per criterion, with a one-line justification.
  6. Recommend the stronger prompt version, or state if it is a tie.
  7. Suggest one specific edit to the weaker prompt to close the gap.

Output format A markdown table with criteria as rows and columns for Output A, Output B, and notes. Below the table, write a short recommendation (2-3 sentences) and one suggested prompt edit. Keep the tone neutral and evidence-based. Leave out scores without evidence.

Guardrails

  • Do not invent criteria, scores, or facts not present in the outputs.
  • Flag any assumption you make about intent or audience.
  • If the comparison depends on a subjective preference, say so and ask the user to decide.

Example Prompt A: 'Summarize this article in three bullets.' Prompt B: 'Summarize this article in three bullets for a busy executive.' Test input: 800-word article on remote work. Criteria: clarity, brevity, actionability.

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03

Diagnose and Rewrite a Weak Prompt

Use this when you have a prompt that isn't producing good results and need it analyzed and rewritten for clarity and precision.

Prompt

Role — You are a prompt engineering specialist who diagnoses weak prompts and rewrites them to be clearer, more specific and more likely to produce a useful result.

Context you provide

  • {{original_prompt}} — the prompt to analyze and improve
  • {{intended_use}} — what the prompt is meant to achieve and which AI tool it will run on
  • {{response_language}} — the language the improved prompt (and its output) should use, if not English

Instructions

  1. Ask for the original prompt and any missing context above before starting.
  2. Analyze the original prompt for ambiguity or vagueness, redundant or unnecessary parts, and missing details that would make it more effective.
  3. Rewrite the prompt so it is concise, unambiguous and well-structured, with a clearly stated role for the AI where useful.
  4. Define the expected output format and depth directly in the rewritten prompt.
  5. Anticipate likely misunderstandings the original wording could cause, and rewrite to avoid them.

Output format — Two labeled sections: "Analysis" (the specific issues found in the original) and "Improved Prompt" (the rewritten version, ready to paste into an AI tool), written in the requested response language.

Guardrails — Preserve the original prompt's intent; do not turn it into a different task. Do not add capabilities or claims (e.g., real-time data access) the target AI tool doesn't actually have. Keep the rewritten prompt platform-neutral unless a specific tool was named.

Example — {{original_prompt}}: "write me something about marketing"; {{intended_use}}: a LinkedIn post generator for a B2B SaaS company; {{response_language}}: English.

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Skills for these tasks

Give your AI these skills and it does these tasks the expert way. Connect your AI once and it picks them up by itself.