Best AI Subreddits

Largest communities first, with fastest-growing subreddits highlighted separately.

Best AI Reddit Communities

This guide highlights the largest and fastest-growing ai subreddits for AI builders, researchers, and enthusiasts. FreeSubStats tracks 114 AI & Machine Learning communities with 11,567,205 combined members, so the list uses live subreddit analytics instead of a static editorial snapshot.

For the full sortable directory, open the AI & Machine Learning subreddit analytics page.

How This List Is Built

Largest ai subreddits are ranked by current member count
Fastest-growing communities are highlighted separately by weekly growth rate
Each entry links to a live analytics page with history, related subreddits, and current stats

AI Subreddit Snapshot

Tracked Subreddits
114
Total Members
11,567,205
Daily Growth
↗ +1.45%
Weekly Growth
↗ +4.83%

Largest AI Subreddits

#1
r/singularity icon

r/singularity

Everything pertaining to the technological singularity and related topics, e.g. AI, human enhancement, etc.

Members
3,886,543
#2
r/artificial icon

r/artificial

Reddit’s home for Artificial Intelligence (AI)

Members
1,257,506
#3
r/

r/learnmachinelearning

Welcome to r/learnmachinelearning - a community of learners and educators passionate about machine learning! This is your space to ask questions, share resources, and grow together in understanding ML concepts - from basic principles to advanced techniques. Whether you're writing your first neural network or diving into transformers, you'll find supportive peers here. For ML research, /r/machinelearning For resume review, /r/engineeringresumes For ML engineers, /r/mlengineering

Members
633,041
#4
r/

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.

Members
365,745
#5
r/AI_Agents icon

r/AI_Agents

A place for discussion around the use of AI Agents and related tools. AI Agents are LLMs that have the ability to "use tools" or "execute functions" in an autonomous or semi-autonomous (also known as human-in-the-loop) fashion. Follow our event calendar: https://lu.ma/oss4ai Join us on Discord! https://discord.gg/6tGkQcFjBY

Members
348,853
#6
r/GeminiAI icon

r/GeminiAI

Gemini AI is a neural network that has been trained on a massive dataset of text and code. This dataset includes books, articles, code repositories, and other forms of text. https://www.youtube.com/watch?v=_TVnM9dmUSk

Members
292,020
#7
r/isthisAI icon

r/isthisAI

Welcome to r/isthisAI. This is the Reddit community to ask whether or not a picture, video or anything is AI-generated.

Members
267,102
#8
r/ClaudeCode icon

r/ClaudeCode

a community where claude code enthusiasts build, share, and solve together.

Members
246,033
#9
r/comfyui icon

r/comfyui

Welcome to the unofficial/community-run ComfyUI subreddit. Please share your tips, tricks, and workflows for using this software to create your AI art. Please keep posted images SFW. Paywalled workflows not allowed. Please stay on topic. And above all, BE NICE. A lot of people are just discovering this technology, and want to show off what they created. Belittling their efforts will get you banned. Also, if this is new and exciting to you, feel free to post, but don't spam all your work.

Members
185,364
#10
r/RealOrAI icon

r/RealOrAI

Real or synthetic? Post images and videos here, and let the community decide what’s human and what’s AI.

Members
183,769

Fastest Growing AI Subreddits

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