AI & ML Reddit communities
13 hand-checked AI & ML Reddit communities for people building with machine learning and generative AI - from applied engineers and researchers to prompt and agent tinkerers. Each listing shows member numbers as the community states them, how active it is, what it costs and how to get in.
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Common questions
How many AI & ML Reddit communities are listed here?
13 right now. Every listing is checked by hand before it goes live, and member numbers are shown exactly as the community states them rather than rounded up.
Are AI & ML Reddit communities free to join?
Every one listed here is free to join, though some ask you to register or answer a short question first.
Which AI & ML Reddit communities are the biggest?
By stated member count: r/LocalLLaMA (~773K members), r/PromptEngineering (~398K members). Size is worth weighing against how active a community actually is, which each listing shows separately.