Communities related to r/ChatGPT, with what each one is for and how it differs. Member figures come from SubMouse's safe-for-work directory.
r/ChatGPT (about 11.7M members, directory rank #73) discusses ChatGPT and AI and notes it is not affiliated with OpenAI. Company/research discussion and academic-style machine learning each have clearer homes.
Weak directory related names unrelated to AI are omitted.
Stay on ChatGPT for ChatGPT product usage and discussion. Use OpenAI for company and research-mission talk, and MachineLearning for ML research and practice (beginners are pointed elsewhere in its description).
r/ChatGPT — ChatGPT
Subreddit to discuss ChatGPT and AI. Not affiliated with OpenAI. Thanks, Nat!
OpenAI
When to choose it: OpenAI as a company/research lab rather than ChatGPT tips alone.
Why it is here: Listed as related to r/ChatGPT. Public description: OpenAI research and deployment company mission (about 2.9M members, rank #386).
How it differs from r/ChatGPT: Org/research focus versus ChatGPT product community.
Machine Learning
When to choose it: Machine learning research and practice beyond a single chatbot product.
Why it is here: Public description points beginners to other rooms and covers ML broadly (about 3.1M members, rank #348). Neighbouring AI topic rather than a weak text match.
How it differs from r/ChatGPT: ML field discussion versus ChatGPT app chat.
Use the related subreddits finder for r/ChatGPT: Find related to r/ChatGPT.
Members and public descriptions come from SubMouse's safe-for-work directory (as of 2026-11-09 UTC); 7-day growth measured from 2026-11-02. Directory rank is listing order. Guide updated 2026-11-07.