r/PromptEngineering

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About r/PromptEngineering

Prompt engineering is the application of engineering practices to the development of prompts - i.e., inputs into generative models like GPT or Midjourney.

The community at a glance

r/PromptEngineering is a Subreddit for GPT and Prompt Engineers with roughly 404K members. It uses a forum format for communication. On the Hive Index it ranks #5 in the GPT communities list. It is the 6th largest community in the Prompt Engineering topic page.

Roughly 211K members have joined in the past year. Popular discussion topics include Prompt, Ai, and Chatgpt. Common discussion themes are Advice Requests and Solution Requests. Product recommendations often mention prompt engineering courses.

On Reddit
404K Members

Community Topics

Community Features

Forum

This community has a forum

Subreddit Analysis

via GummySearch
Yearly: +211K members
Growth: +110.0% / year

Member growth over time

All time (yearly)

  • 2023: 12K members
  • 2024: 41K members
  • 2025: 249K members
  • 2026: 102K members

Past year (monthly)

  • Sep: 19K members
  • Oct: 20K members
  • Nov: 23K members
  • Dec: 19K members
  • Jan: 15K members
  • Feb: 17K members
  • Mar: 19K members
  • Apr: 16K members
  • May: 13K members
  • Jun: 11K members
  • Jul: 12K members
  • Aug: 201 members

Themes

  • Advice Requests
    11 posts in the past month
    1. Don't click buy yet. Chatgpt will find every discount code for what you're buying, then open a browser and test them at checkout
    2. Here's the prompt I paste so ChatGPT tutors me through a problem instead of just handing me the answer
    3. free ai learning resources for anyone getting started
    #1
    Advice Requests
    Don't click buy yet. Chatgpt will find every discount code for what you're buying, then open a browser and test them at checkout · Here's the prompt I paste so ChatGPT tutors me through a problem instead of just handing me the answer · free ai learning resources for anyone getting started
    11
  • Solution Requests
    5 posts in the past month
    1. My system prompt is 100k tokens. What's the best way to compress markdown files for Web UIs?
    2. Copy-paste this prompt to turn a process paragraph into a clean flowchart spec, no flowchart maker free trial needed
    3. Tired of manual database setup, so I built an AI agent workflow that connects Supabase, syncs .env keys, and runs SQL migrations automatically
    #2
    Solution Requests
    My system prompt is 100k tokens. What's the best way to compress markdown files for Web UIs? · Copy-paste this prompt to turn a process paragraph into a clean flowchart spec, no flowchart maker free trial needed · Tired of manual database setup, so I built an AI agent workflow that connects Supabase, syncs .env keys, and runs SQL migrations automatically
    5
  • Ideas
    1 post in the past month
    1. Put together 2 prompt bundles after months of testing — sharing a free sample from each
    #3
    Ideas
    Put together 2 prompt bundles after months of testing — sharing a free sample from each
    1

Topics

  • Prompt
    40 posts in the past month
    #1
    Prompt
    40
  • Ai
    33 posts in the past month
    1. How I got GPT-4o to write like a contractor, not a consultant (what actually worked)
    #2
    Ai
    How I got GPT-4o to write like a contractor, not a consultant (what actually worked)
    33
  • Chatgpt
    13 posts in the past month
    #3
    Chatgpt
    13
  • Tool
    10 posts in the past month
    #4
    Tool
    10
  • Tired
    8 posts in the past month
    #5
    Tired
    8

Flair

  • General Discussion
    50 posts in the past month
    1. Karpathy has a piece of advice: don't type to an LLM, talk to it.
    2. Here's the prompt I paste every Friday to turn a week of messy ops notes into a clean status report (beats every ai report generator I tried)
    3. "Prompt Amplifier" - Free For the Community - Something I built.
    #1
    General Discussion
    Karpathy has a piece of advice: don't type to an LLM, talk to it. · Here's the prompt I paste every Friday to turn a week of messy ops notes into a clean status report (beats every ai report generator I tried) · "Prompt Amplifier" - Free For the Community - Something I built.
    50
  • Prompt Text / Showcase
    23 posts in the past month
    1. Don't click buy yet. Chatgpt will find every discount code for what you're buying, then open a browser and test them at checkout
    2. Chatgpt will price your stuff, write the listings, post them to marketplace, and then negotiate with the buyers for you
    3. Think like a machine here’s 20 prompts you can mix and match to make 101
    #2
    Prompt Text / Showcase
    Don't click buy yet. Chatgpt will find every discount code for what you're buying, then open a browser and test them at checkout · Chatgpt will price your stuff, write the listings, post them to marketplace, and then negotiate with the buyers for you · Think like a machine here’s 20 prompts you can mix and match to make 101
    23
  • Quick Question
    20 posts in the past month
    1. How do you prompt an LLM to stop padding and just be concise?
    2. Would you let a router choose the model behind each prompt?
    3. How are people practicing AI video generation without burning through credits?
    #3
    Quick Question
    How do you prompt an LLM to stop padding and just be concise? · Would you let a router choose the model behind each prompt? · How are people practicing AI video generation without burning through credits?
    20
  • Tips and Tricks
    11 posts in the past month
    1. Stop letting ChatGPT be an ai writing tool for your essays. Here's the prompt I give people instead.
    2. the one line that fixes like 80% of bad prompts, for the non-technical people i keep teaching
    3. this prompt exposes whether you actually know something or just recognise it when you see it, because of which most students can't tell the difference until an exam
    #4
    Tips and Tricks
    Stop letting ChatGPT be an ai writing tool for your essays. Here's the prompt I give people instead. · the one line that fixes like 80% of bad prompts, for the non-technical people i keep teaching · this prompt exposes whether you actually know something or just recognise it when you see it, because of which most students can't tell the difference until an exam
    11
  • Requesting Assistance
    8 posts in the past month
    1. Embedded development, insanely high limit usage with large datasheets in repo. Any tips?
    2. Need help
    3. Planck biology project
    #5
    Requesting Assistance
    Embedded development, insanely high limit usage with large datasheets in repo. Any tips? · Need help · Planck biology project
    8

Product recommendations

  • prompt engineering courses
    2 posts in the past month
    1. Recommend best prompt engineering courses
    2. Recommend best prompt engineering courses
    #1
    prompt engineering courses
    Recommend best prompt engineering courses · Recommend best prompt engineering courses
    2
View full analysis on GummySearchSynced 7/28/2026

Frequently asked questions

Who is r/PromptEngineering for?
Best for GPT and Prompt Engineers enthusiasts looking for a Reddit-based community with forum discussion.
Is r/PromptEngineering free to join?
This listing is not marked as paid-only. Access rules and any fees are decided by the community.
How many members does r/PromptEngineering have?
Roughly 404K members, based on figures reported by the community or its host. Member counts are approximate and change over time.
What platform is r/PromptEngineering on?
r/PromptEngineering runs on Reddit. Reddit communities (or "subreddits") are forum-based groups on the popular social news aggregation, web content rating, and discussion website Reddit. Reddit is commonly known as "the front page of the internet". Users submit content to the site such as links, text posts, and images, which are then voted up or down and discussed by other members. From investing Reddit communities, to professional ones, to ones just for laughs, you're likely to find a community for you on Reddit.
What topics does r/PromptEngineering cover?
On the Hive Index, r/PromptEngineering is organized under GPT, Prompt Engineers.
How do I join r/PromptEngineering?
You can join r/PromptEngineering by clicking this link, or pressing the "Go to community" button above.
What are the GPT communities like?
Communities centered on using and understanding GPT and other large language models. Reddit and Discord both have active spaces for prompt design, model comparisons, and discussions on where LLM capabilities are heading, serving everyone from developers to curious non-technical users.
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Added 5/25/2023

Monthly Stats

12
Views /mo
(-52%)
9
Visitors /mo
(-59%)
2
Referrals /mo
(-33%)

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