r/PromptEngineering
r/PromptEngineering is an AI & Machine Learning community on Reddit with 399,478 members, ranking #112 of 3,604 in AI & Machine Learning. Prompt engineering is the application of engineering practices to the development of prompts - i.e., inputs into generative models like GPT or Midjourney.
How big is r/PromptEngineering?
Created in 2021, r/PromptEngineering has had 5 years to grow and is a large community by Reddit standards. Within AI & Machine Learning it ranks #112 of 3,604 communities we track — the top 3.1% of the category by subscriber count. That puts it about 196× the median AI & Machine Learning subreddit, which has 2,036 members. It is a work-safe community with no 18+ flag on Reddit.
For scale, the largest AI & Machine Learning community we track is r/explainlikeimfive with 23,613,002 members — roughly 59 times the size of r/PromptEngineering. Reddit itself launched in 2005, so a subreddit created in 2021 sits in the later wave of community building on the platform. Subscriber counts indicate reach, not activity — a large community can be quiet, and a smaller one busy. Open r/PromptEngineering on Reddit to see how often people actually post before deciding whether it is worth joining.
| Members | 399,478 |
|---|---|
| Category | AI & Machine Learning |
| Rank in category | #112 of 3,604 |
| Created | 2021 |
| Category median size | 2,036 members |
| Content rating | Work-safe (SFW) |
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Subscriber counts come from the public Reddit API and are refreshed when this directory is rebuilt. Redditory is not affiliated with Reddit Inc.