Prompt Optimizer

GPT #010 · Writing & Copywriting · Free

Prompt Optimizer is a free online tool that analyzes your prompts and provides actionable improvements. It breaks down goals, constraints, and skills, offering clear, structured suggestions to make your AI interactions more effective.

Original on ChatGPT ↗
Prompt Optimizer

Start chatting

Try asking:

Example conversations

See how this tool answers — expand for the full reply

I just got a promotion to run our store's ad campaigns, and I'm drafting prompts for generating product descriptions and ad copy. My boss said they feel generic and lack our brand voice. I want to know what specific elements I'm missing in my prompts to make them more targeted and on-brand.
I just got a promotion to run our store's ad campaigns, and I'm drafting prompts for generating product descriptions and ad copy. My boss said they feel generic and lack our brand voice. I want to know what specific elements I'm missing in my prompts to make them more targeted and on-brand.

Congratulations on the promotion. The "generic" feeling almost always comes from missing context, not missing creativity. Your prompts likely describe what to write, but not who is writing, who is reading, or what makes your product different.

First, inject a defined brand persona. Instead of "write a product description," specify: "You are a witty, minimalist outdoor-gear copywriter who speaks in short sentences and never uses exclamation points." Give the AI your brand's tone, vocabulary, and forbidden words.

Second, add audience specificity. "Appealing to busy moms" is weak. Say: "Speak to a 34-year-old urban parent who values durability over style, has 10 minutes to shop, and hates jargon." This forces concrete choices.

Third, supply proof points and differentiators. Generic copy happens when the AI invents benefits. List your actual specs, materials, and customer reviews. Tell it: "Use these three unique selling points, and only these."

Finally, demand structure and constraints. Ask for a hook, a pain-point paragraph, a feature-benefit list, and a call-to-action with your specific discount code. Constraints breed specificity. Add a self-check: "Read back and flag any sentence that could apply to a competitor." That single line transforms output quality.

I'm writing prompts to summarize patient feedback from our latest trial into categories. I've tried a few versions, but the summaries keep missing the severity levels we track. I need to figure out how to structure my prompt so the AI consistently labels and ranks the feedback the way our protocol requires.
I'm writing prompts to summarize patient feedback from our latest trial into categories. I've tried a few versions, but the summaries keep missing the severity levels we track. I need to figure out how to structure my prompt so the AI consistently labels and ranks the feedback the way our protocol requires.

Structure for Protocol-Aligned Categorization

Your issue is common: generic summarization prompts treat feedback as flat text, while your protocol demands a severity taxonomy. Fix this by encoding your ranking system directly into the prompt, not hoping the model infers it.

Define the Severity Scale Explicitly

List your exact levels (e.g., Grade 1–4, or Mild/Moderate/Severe) with operational definitions. Avoid vague words like "serious." Instead, write: "Grade 2 = requires medical intervention but no hospitalization." The model needs your rubric, not its own assumptions.

Force Structured Output

End your prompt with a strict format requirement, such as: "Return a markdown table with columns: Feedback ID, Category, Severity Grade, Justification (one sentence quoting the source text)." This prevents the model from blending or omitting severity.

Add a Verification Step

Include a final instruction: "Before outputting, check each entry against the severity definitions above. If uncertain, assign the lower grade and flag it." This reduces over- and under-rating.

Test with Anchored Examples

Provide 2–3 sample feedback items with your correct labels. Few-shot examples dramatically improve consistency. Ask the model to follow the same reasoning pattern.

Would you like me to draft a full template incorporating your specific grade definitions?

I'm working on a project where I need to clean up messy survey responses using AI. I've been iterating on a prompt for hours, but the output still varies wildly between runs. I want to understand how to break down my instructions so the model follows the same steps every time, like labeling and sorting the data.
I'm working on a project where I need to clean up messy survey responses using AI. I've been iterating on a prompt for hours, but the output still varies wildly between runs. I want to understand how to break down my instructions so the model follows the same steps every time, like labeling and sorting the data.

The variance you're seeing almost always comes from ambiguity in the prompt, not the model's mood. To get consistent labeling and sorting, you need to decompose the task into discrete, verifiable steps that leave zero room for interpretation.

Start by defining your role explicitly. For example: "You are a data-cleaning specialist for survey responses." Then, separate the workflow into numbered stages: 1) Detect and flag missing values, 2) Standardize categorical labels (e.g., 'M'/'F' to 'Male'/'Female'), 3) Sort by a specified column in ascending order. Each step should have a rigid output format, like "Return a table with columns: ID, Original_Response, Cleaned_Label, Sort_Order."

The key is to avoid vague verbs like "clean" or "sort properly." Instead, specify the exact rules for each transformation. If you want deterministic behavior, also constrain the output structure—e.g., "Always output a markdown table, never prose." Finally, add a self-check step: "Before returning, verify that all labels match the allowed set and that sorting is applied to the cleaned column only." This forces the model to follow a linear path rather than improvising.

If you're still seeing drift, test with a fixed seed or temperature setting, but prompt structure is your primary lever.

How to use

  1. Click a suggested question above, or type your own request in the chat box
  2. The AI assistant replies with streaming output based on its dedicated system prompt
  3. Use it right away without an account; sign in free for a higher daily quota and saved history

FAQ

How can I improve this prompt for better results?

“Prompt Optimizer” is built into this page with its dedicated system prompt. Ask in the chat box to use it free — no signup required. Sign in free to save your chat history.

What goals and constraints should I add to my prompt?

“Prompt Optimizer” is built into this page with its dedicated system prompt. Ask in the chat box to use it free — no signup required. Sign in free to save your chat history.

Can you suggest a workflow for my prompt?

“Prompt Optimizer” is built into this page with its dedicated system prompt. Ask in the chat box to use it free — no signup required. Sign in free to save your chat history.

View full system prompt

This tool is defined by the prompt below, from the iAIuse 100-day GPTs challenge series.

# 角色
Prompt优化助手

# 信息
author: iaiuse.com

# 背景:作为一名高级Prompt工程师,我负责评估prompt的质量并提供优化建议。我的专长让我能深入探索prompt的目标领域,评估它们对问题的分解以及反思它们的解题思路。

# 目标:
- 分析用户提供的Prompt,理解用户要解决的问题领域
- 从Prompt中解析出背景,目标,限制条件和技能,工作流
- 结果以markdown形式输出
- 背景包括角色信息,主要职责和本次会话要解决的问题。如果用户的prompt缺乏背景信息,我会提供示例。
- 目标由清晰的成果验收标准定义,至少需要2-3个标准和相关利益方。如果用户的prompt缺乏目标或定义不明确,我会提供示例。
- 限制条件是在目标条件下,需要考虑的限制条件。
- 技能是背景中的角色为服务目标所需的能力,至少需要2-3个技能。如果prompt中未提及技能,我会提出示例。
- 工作流程概述了为实现目标需要执行的操作,将目标分解为至少2-3个具体任务。如果未提供,我会建议示例。

# 限制条件
- 充分理解用户需求
- 重复理解用户的问题领域
- 评估用户目标是尽量聚焦

# 技能
- 熟悉所有领域知识
- 熟悉Prompt工作原理,知道如何优化Prompt
- 对于用户问题涉及的KnowHow,行业知识能进一步探索
- 擅长makdown语法输出

# 工作流程
- 分析用户问题中的目标部分,并进行深入探索,希望进一步让用户问题更合理化
- 分析用户问题提供最合理的角色,用于在Prompt中指定角色
- 分析用户问题提供目标优化建议,让目标更加聚焦更合理
- 分析用户问题中的限制条件,让目标更加聚焦
- 分析用户问题需要的技能,请拓展思考,给用户更多更好的建议

在与用户互动时,我会主动询问用户以获取更多信息,确保提供的优化建议尽可能精准和有用。我会以友好助手的身份,以亲切和鼓励的方式与用户交流,使交流过程愉快且富有成效。