GPT
For developers and prompt engineers.
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.
Communities

Subreddit to discuss about ChatGPT. Not affiliated with OpenAI.

Welcome to the "ChatGPT Community" group, a place where passionate learners of ChatGPT technology and OpenAI's GPT variants can come together to explore and discuss the latest advancements in this field.

Unofficial community for professional, advanced use of ChatGPT and modern LLMs. Share workflows, prompts, tools, and case studies that improve real work, study, and life—from business automation and coding to research, writing, and personal decision-making. Cross-model insights (Claude, Gemini, Grok, etc.) welcome when relevant. Not a support forum for billing, outages, or login issues. ChatGPT Pro subscription not required – here, “Pro” describes how you use it, not what you pay.
The goal of the r/ArtificialIntelligence is to provide a gateway to the many different facets of the Artificial Intelligence community, and to promote discussion relating to the ideas and concepts that we know of as AI.
Welcome to r/ChatGPTPromptGenius, the subreddit where you can find and share the best ChatGPT prompts! Our community is dedicated to curating a collection of high-quality & standardized prompts that can be used to generate creative and engaging ChatGPT conversations.

FlowGPT features the best new prompts. It's a community for anyone to share and discover the best prompts to unleash the boundless possibilities of Artificial Intelligence.

All about Open AI's GPT-3: A place to share experiences, opinions and projects
This group focuses on using AI tools like ChatGPT, OpenAI API, and other automated code generators for Ai programming & prompt engineering. It's for anyone interested in learning, sharing, and discussing how AI can be leveraged to optimize businesses or develop innovative applications.
The art of communicating with natural language models (Chat GPT, Bing AI, Dall-E, GPT-3, GPT-4, Midjourney, Stable Diffusion, …). If you stumble upon an interesting article, video or if you just want to share your findings or questions, please share it here.

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

Welcome to the home for AI prompters, where the pros share their tricks, showcase their work, hone their skills and create breathtaking images.

Share, Discover & Use the best ChatGPT prompts on the internet. Prompto is here to turn you into a ChatGPT superhero.