r/PromptDesign is a subreddit with 39k members. The most common kinds of discussions are solution requests and ideas, and the community frequently discusses prompt, ai, tool, chatgpt, and model, and they frequently recommend/review ai tools.
The art of prompting LLMs such as OpenAI GPT & Codex, Anthropic Claude, Google Gemini, GPT-OSS, Kimi.
This is the largest community on Reddit when it comes to prompt design.
Popular Themes in r/PromptDesign
#1
Solution Requests
: "Any multi-step "prompt builder" tools for AI Agents, of sorts? Is this idea even worth investigating?"
6 posts
#2
Ideas
: "How to make LLMs actually fact-check breaking news: A 5-dimension objectivity scoring prompt"
4 posts
#3
Advice Requests
: "What's the first thing you'd show a complete beginner before they write a single line of an agent prompt?"
2 posts
#4
Self-Promotion
: "I built a free skill that takes you from "I have an app idea" to a real plan and solid MVP"
2 posts
Popular Topics in r/PromptDesign
#1
Prompt
: "i found a Prompt hack so stupid it should not work. it works every time."
14 posts
#2
Ai
: "I made a prompt framework that turns Ai chats into a 4 axis flow state playground and emergent thought synthesizer"
9 posts
#3
Tool
: "Prompting Tool to Help Increase Output Results on First Prompt"
4 posts
#4
Chatgpt
: "3-Month Behavioral Study: Nine Reproducible Failure Modes Across Claude, Gemini, Chatgpt, and Grok"
3 posts
#5
Model
2 posts
#6
Gemini
: "3-Month Behavioral Study: Nine Reproducible Failure Modes Across Claude, Gemini, ChatGPT, and Grok"
2 posts
#7
Token
: "The Metered Mind: Token Arbitrage and the Selection Pressure of Al"
2 posts
#8
Prompting
: "Prompting Tool to Help Increase Output Results on First Prompt"
2 posts
#9
Prompting Tool
: "Prompting Tool to Help Increase Output Results on First Prompt"
2 posts
#10
Image
1 post
Products Discussed in r/PromptDesign
Ai Tools
1 review
#1
Perplexity
5.0★ from 1 review
Flair Used in r/PromptDesign
#1
Prompt showcase ✍️
: "Two rather important prompts that won't easily be recognised by regular chatGPT because they describe things we, humans, always had, but never used to talk about, and so are not in LLM training data, despite being obvious."
50 posts
#2
Discussion 🗣
: "The 4-level Feynman prompt — a copy-paste framework that forces any LLM to explain a concept at four cognitive altitudes instead of one"
42 posts
#3
Tip 💡
: "i found a prompt hack so stupid it should not work. it works every time."
37 posts
#4
Question ❓
: "Do you put prompt from user into system or only user message?"
13 posts
#5
Prompt request 📌
: "Educational Prompt Design"
4 posts
#6
Meme 👾
: "The GPT roadmap is getting a little too real"
1 post
Member Growth in r/PromptDesign
Yearly
+17k members(74.4%)
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About
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Last updated: September 3, 2026