Find the best subreddits for any topic. Search Reddit for relevant communities and see subscriber counts ranked by size — perfect for finding where your audience hangs out.
/r/Technology
Subreddit dedicated to the news and discussions about the creation and use of technology and its surrounding issues.
Subreddit to discuss ChatGPT and AI. Not affiliated with OpenAI. Thanks, Nat!
Everything pertaining to the technological singularity and related topics, e.g. AI, human enhancement, etc.
OpenAI is an AI research and deployment company. OpenAI's mission is to create safe and powerful AI that benefits all of humanity. We are an unofficially-run community. OpenAI makes Sora, ChatGPT, and DALL·E 3.
Character.AI
Character.AI lets you create and talk to advanced AI - language tutors, text adventure games, brainstorming and much more.
Artificial Intelligence
The high-signal hub for artificial intelligence!
Artificial Intelligence (AI)
Reddit’s home for Artificial Intelligence (AI)
r/SideProject - A community for sharing side projects
r/SideProject is a subreddit for sharing and receiving constructive feedback on side projects.
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
r/aivideo - The place for AI generated videos on reddit
Welcome to r/aivideo! 🍿🥤🤯 A community focused on the PROFESSIONAL USE OF FULL MOTION VIDEO GENERATIVE A.I. ASSISTANTS such as SEEDANCE, KLING, VEO, HAILUO and other similar AI VIDEO tools capable of generating TEXT TO VIDEO, IMAGE TO VIDEO, VIDEO TO VIDEO, AI VFX, AI SFX, TEXT TO SPEECH, AI MUSIC, AI VIDEOGAMES, AI VIDEO AGENTS. WELCOME TO THE FUTURE! ⚠️ DISCLAIMER: videos are NOT REAL! they are COMPUTER GENERATED.
Anti AI
A recently resurrected and growing community for critical discussion on advancements in artificial intelligence. Now reopened to the public.
Ai Hackerspace
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. Join us for a supportive community of diverse backgrounds and skill levels!. Created by @rUv
Following news and developments on ALL sides of the AI art debate (and more)
Codex coding tools by OpenAI - Codex CLI and IDE Extension
This is the information and discussion subreddit for OpenAI Codex tools - Codex CLI, Codex IDE Extension and Codex in the Cloud that are included in ChatGPT Plus, Pro, Business, Edu, and Enterprise plans. The subreddit's focus recently changed and the prior subreddit content has been respectfully archived. This subreddit is not an official OpenAI subreddit.
Generative AI is a motorcycle for the mind. It doesn't think for you, but it lets you go places you couldn't get to alone. This is the community for people making art, music, video, writing, and code with tools like ChatGPT, Claude, Gemini, Midjourney, Flux, Veo, Kling and Llama.cpp. Share what you're making, ask questions, or chat with our helpful (and only a little deranged) community bot Jenna_AI.
Let's Discuss New AI Tools, Prompts and Workflow..and more on AI
Welcome to r/AIToolsAndTips! 🚀 Discover and discuss the latest AI tools, automation hacks, and productivity boosters to enhance work, business, and daily life. Stay ahead with real-world AI applications, tutorials, comparisons, and expert insights on tools like ChatGPT, MidJourney, Claude, and more! ✅ Share and explore AI-powered tools ✅ Learn automation tricks for work & business ✅ Get AI productivity tips & best practices Join us and unlock the power of AI! 🤖✨
Best AI Tools
A community dedicated to discovering, sharing, and discussing practical AI tools. We focus on tools that solve real problems in writing, design, coding, marketing, automation, and daily work. No hype, no spam. Just useful AI.
This is a subreddit for AI tools.
A safe space for AI makers and enthusiasts to launch AI tools you’re building, review AI softwares, share best practices or tricks on using popular AI tools, and help each other suggest AI tools as per their stated requirements.
aiTools Review will tell you how to increase sales and become successful in Feature with the ultimate marketing strategy guide. We will introduce some of the great free tools and resources to you worth a thousand dollars to build your marketing practice.
AI Tools
For AI tools that help you navigate daily life. We welcome everyone from devs to users that are down for having an honest discussion about AI tools.
In Our Community You Will Get Best And Latest Ai Tools List
AiTexTools makes AI-generated text sound natural. Detect, rewrite, and humanize AI content for free – no limits, no fees, completely online.
Any keyword, niche, brand name, or product category — the broader the term, the more results you'll see.
Subreddits are sorted by total subscribers, with active-user counts shown so you can quickly spot which communities are still alive.
Click through to Reddit, or copy each subreddit name to plug into the Rules Checker and Best Time to Post tools.
Use the Subreddit Rules Checker to confirm self-promo policy, karma minimums, and account-age requirements — so your post doesn't get auto-removed.
Whether you're launching a product, researching an industry, or planning a content campaign — knowing where your audience hangs out is half the battle. Here's how people typically use this tool.
Stop guessing. See exactly which subreddits discuss your category, then prioritize the largest communities with active engagement for your campaigns.
Find the 5–10 subreddits where your earliest users actually live. Build a presence early, gather feedback, and announce launches in the right place.
Whether you make videos, write essays, build apps, or share art — there's a sub for it. Find the right community before posting so your work doesn't get buried.
See which subs discuss a product, company, or industry. Useful for sentiment analysis, competitor research, and identifying emerging trends.
When you enter a keyword, we query Reddit's official subreddit directory and return communities whose name, title, or public description matches. Results are then ranked by subscriber count, with active-user counts displayed alongside.
Yes — no signup, no credit card. The free tool has a per-IP rate limit to prevent abuse, but it's enough for casual research. If you want unlimited searches plus automatic monitoring of your chosen subreddits, that's what our paid product (ReplyMine) does.
Each query result is cached for 6 hours. So a search for 'saas' shows data from at most 6 hours ago. This keeps the tool fast and respects Reddit's API rate limits without sacrificing accuracy for your use case.
A few reasons: the subreddit might be NSFW (we filter those by default), private, banned, or use a name unrelated to your search term (for example, r/Frugal won't appear when you search 'saving money'). Try synonyms or broader terms.
Not from the free tool — but ReplyMine, our paid product, lets you save subreddits, monitor them automatically for high-intent posts, and export to CSV. The free tool is intended for quick discovery.
Reddit's search is mainly tuned for posts, not communities. Our tool surfaces subreddit metadata — total members, weekly active users, and public descriptions — in a single ranked view designed specifically for marketers, founders, and researchers.
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