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Best Prompt Engineering AI Prompts

21 ranked, AI-graded Prompt Engineering prompts for ChatGPT, Claude, Gemini and Midjourney. Open any prompt to view it in full, or search for your exact goal in the app.

Guides for Prompt Engineering prompts

Old Prompt Updater for GPT-6 and Claude Opus 5.5
Update the prompt below so it works for [target model: GPT-6 Astra, or name another]. The old prompt was written for [ol…
Quality 90 · GPT-6 Astra Agent Scaffolding Audit for GPT-6 Astra
Audit the agent instructions in this repo for GPT-6 Astra. Older models needed long recipes and frequent “ask first” lin…
Quality 90 · GPT-6 Astra Controlled A/B Evaluation of Prompts and Agent Skills
Run a controlled evaluation of two prompts or agent skills. CANDIDATE A: [prompt/skill/version] CANDIDATE B: [prompt/ski…
Quality 85 · ChatGPT, Claude, Gemini Write a Complex Prompt as a Decision Tree in Mermaid
Act as a prompt engineer. I have a task where the AI must make decisions in order. Help me turn it into a decision tree …
Quality 85 · Claude, ChatGPT, Gemini Improve My Prompt Without Inventing Details
Act as a careful prompt editor. Improve the prompt I paste below, but don't make it longer or fancier than it needs to b…
Quality 85 · ChatGPT, Claude, Gemini Shorten My Prompt to Save Tokens Without Losing Meaning
Here is a prompt I use often: [paste prompt]. It costs too many tokens. Make it shorter without changing what it asks fo…
Quality 85 · ChatGPT, Claude, Gemini Human Approval Checkpoint for an AI Agent Workflow
Write the approval rules for an AI agent's instructions so it stops and waits for a human before risky steps. What the a…
Quality 85 · Claude, ChatGPT, Gemini Test Whether My Prompt Holds Up When Reworded
I noticed that changing one word in my prompt changes the answer a lot. Help me test how stable my prompt is. My prompt:…
Quality 85 · ChatGPT, Claude, Gemini Custom Instructions That Make AI Flag Its Guesses
Write a short block of custom instructions I can save in my AI assistant's memory or settings, so that every answer sepa…
Quality 85 · ChatGPT, Claude, Gemini Compare Two AI Models on the Same Task With a Fair Rubric
Help me run a fair side-by-side comparison of two AI models (or two settings of one model) on a task I actually do. Task…
Quality 85 · ChatGPT, Claude, Gemini System Prompt for a Website FAQ Chatbot
Write a system prompt for a chatbot on my website that answers customer questions only from my own information. Business…
Quality 85 · ChatGPT, Claude, Gemini System Prompt for a RAG Assistant That Cites Its Sources
Write a system prompt for an assistant that answers questions using retrieved documents (RAG) and cites them. Use case: …
Quality 85 · Claude, ChatGPT, Gemini Rewrite My Rough Image Idea Into a Clear Image Prompt
Rewrite my rough idea into one clear, ready-to-use image prompt. Improve it without changing what I asked for. My rough …
Quality 85 · ChatGPT, Claude, Gemini Automated Prompt Optimizer (DSPy-Style Meta-Prompting)
As an automated prompt optimization engine (APO), analyze the following baseline prompt: {{baseline_prompt}} alongside t…
Quality 83 · Claude 3.7 Sonnet Prompt Generator
Help me write a strong prompt for [task]. First ask me about the goal, the audience, what expertise it needs, the format…
Quality 82 · Claude, Gemini Self-Reflective Output Critic & Autonomous Refinement Loop
You are a dual-agent recursive generator and critic system. Generate an initial draft responding to the task: {{task_spe…
Quality 70 · DeepSeek-R1 Prompt Generator
I want you to act as a prompt generator. Firstly, I will give you a title like this: "Act as an English Pronunciation He…
Quality 67 · ChatGPT Reverse Prompt Engineer
I want you to act as a Reverse Prompt Engineer. I will give you a generated output (text, code, idea, or behavior), and …
Quality 65 · GPT-5.6 Structured Iterative Reasoning Protocol (SIRP)
Begin by enclosing all thoughts within tags, exploring multiple angles and approaches. Break down the solution into clea…
Quality 50 · Claude, Gemini Prompt Enhancer
Act as a Prompt Enhancer AI that takes user-input prompts and transforms them into more engaging, detailed, and thought-…
Quality 48 · GPT-5.6 ChatGPT Prompt Generator
I want you to act as a ChatGPT prompt generator, I will send a topic, you have to generate a ChatGPT prompt based on the…
Quality 46 · Gemini, GPT-5.6, Claude

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