Reddit is the most-cited domain in AI-generated answers, ahead of YouTube and LinkedIn. It also shows up in the majority of Google's product review results. And it's where a huge share of your buyers already are.
None of that makes Reddit easy to market on. Reddit has built an entire immune system around detecting promotion. Karma gates, hidden quality scores, and a moderation bot running in nearly every subreddit are all built to catch exactly this.
This guide covers why Reddit matters, why marketing on it is hard, and the mechanics — karma, CQS, moderation — that decide if your account survives. It's the playbook we use to run Reddit marketing for client brands.
TL;DR
- Reddit is the most-cited source in AI answers, and dominates Google's product review results.
- Self-promotion is explicitly against Reddit's grain — expect a real immune system.
- Build profile and subreddit karma before you promote anything.
- Check your Contributor Quality Score (CQS), not just karma — it decides if your content gets seen.
- Understand how AutoMod and moderation actually work, so removals stop being a mystery.
- Keep a 1:3 to 1:5 ratio of promotional to non-promotional comments, and disclose your affiliation.
- Prioritize threads AI models already cite as sources, not just relevant ones.
- Good Reddit marketing compounds into AI search, Google, and direct leads at once.
Why Reddit matters for brands
Three things make Reddit worth the effort: your buyers are on it, AI models are trained and tested against it, and Google leans on it more than almost any other domain.
Your customers are already there
Reddit reaches 126.8 million daily active users worldwide, up 17% year over year. Niche subreddits routinely run into the millions of members, all sorted by shared interest.
Almost every product category has a subreddit where buyers already compare options, ask for recommendations, and complain about what's not working. That's your audience, already gathered, already talking.
AI search runs on Reddit
Reddit is the most-cited domain in AI-generated answers, ahead of YouTube and LinkedIn. That's based on a study of 30 million AI citations. Wikipedia and Reddit together account for more than 25% of all ChatGPT citations in the US.
That's not an accident. Reddit signed a $60 million-a-year data licensing deal with Google in 2024, feeding real-time content straight into Google's AI products. A separate deal with OpenAI is estimated at close to $70 million a year.
AI tools don't just stumble onto Reddit while crawling the web. They have direct, paid access to it. That's a big part of why a single well-placed comment can carry so much weight.
That citation share moves fast, too. A study tracking 100 million AI citations found Reddit's ChatGPT citation rate near 60% in early August 2025.
By mid-September, it had dropped to around 10%. Visibility here isn't static — it needs tracking.
Google runs on Reddit too
Reddit also shows up in 97.5% of Google product review searches. It accounts for nearly two-thirds of the slots in Google's Discussions and forums feature. That's based on an analysis of 10,000 keyphrases.
Quora comes in a distant second, with roughly a quarter of Reddit's placements. When someone Googles a comparison or a "best X" question, Reddit is very likely already on page one.
Why Reddit marketing is hard
Reddit's scale cuts both ways. The same openness that makes it valuable also makes it a magnet for spam. Reddit has spent years building defenses against exactly that.
Self-promotion goes against the grain
Reddit was built for genuine discussion, not marketing. Its content policy explicitly allows promotion, but not accounts that exist only to promote.
That single line creates a real immune system. Karma gates, hidden quality scores, and a moderation bot running in nearly every subreddit are all built to catch exactly this.
Bots get caught
Reddit's moderation systems are tuned to catch a few specific patterns:
- Accounts that do nothing but promote, with no other activity
- AI-generated or copy-pasted comments — detection here has gotten noticeably better
- Coordinated accounts that upvote each other in a ring — Reddit explicitly bans this as vote manipulation
Write your own comments, in your own words, every time. A comment that reads like it was pasted from an LLM is one of the fastest ways to get flagged.
Banned accounts are common, not rare
In the second half of 2025 alone, Redditors shared over 2.2 billion posts and comments. More than 150 million of them were removed by moderators and site admins.
That's roughly one in fifteen posts or comments gone. Most of it happens automatically — bots and moderation tools catch far more than any human could review by hand.
Losing an account, or a comment, isn't a fluke. It's the expected outcome for a meaningful share of Reddit's content.
Reddit also has more reason than ever to keep it that way. It's a public company now, and its AI licensing revenue depends on the platform staying trustworthy.
Spammy, bot-written content is worth less to license. Cleaning it out is now a business priority, not just a community one.
Before you promote: get your account in good standing
Reddit gates visibility behind four separate signals: account age, profile karma, subreddit karma, and CQS. Get these wrong, and nothing else in this guide matters.
Account age
A brand-new account gets flagged faster when it starts self-promoting, regardless of its karma. Age alone is a trust signal, and there's no way to fake it after the fact.
Create your Reddit account as early as possible, even if you don't plan to use it for months. By the time you need it, it won't look brand-new anymore.
Profile karma
Karma is Reddit's reputation score. You have two types: post karma and comment karma. You earn both from upvotes and lose both from downvotes.
Karma also splits by scope. There's your global, account-wide karma. And there's karma specific to each subreddit you post in.
Your global karma total is easy to check — it's right on your Reddit profile page. Subreddit-level karma is the harder one to find.
Subreddit karma
You can't see your per-subreddit karma on the current Reddit interface. Go to old.reddit.com, open your profile, and click your username in the top right. A karma breakdown panel opens, showing post and comment karma for every subreddit you've touched.
Many subreddits gate participation behind a minimum karma threshold — sometimes global, sometimes subreddit-specific, sometimes both. A subreddit might require 10 or 20 comment karma before you can post at all.
These thresholds aren't announced anywhere. You usually find out the hard way — a post from weeks earlier suddenly won't let you comment again.
Farming karma safely
New accounts with zero karma are a red flag everywhere. r/AskReddit is the exception — it has no karma or age restrictions, and it's high volume enough to farm quickly.
r/AskReddit has 58.7 million subscribers, the second-largest subreddit on Reddit. That scale is why it works so well for farming karma. There's always a fresh thread with only a handful of replies.
Sort by "new" instead of "hot." Threads with a handful of comments give your reply real visibility. A thread with 500 comments buries you instantly.
Rising posts work just as well as new ones. They're already gaining traction, so an early, thoughtful comment often gets pulled along with the post itself.
Answer honestly, with no connection to your brand. Thirty minutes of this can realistically earn 20 to 30 comment karma — enough to clear most subreddit thresholds.
Once that first batch of karma clears the common thresholds, branch out. Answer questions in two or three subreddits close to your category. That way your history looks like a real person's, not a karma farm.
Favor mid-size communities, roughly 50,000 to 500,000 subscribers, over giant ones. A single comment earns proportionally more visibility there than it would buried in a subreddit with millions of members.
Contributor Quality Score (CQS)
Reddit also scores every account on a private, internal metric it calls the Contributor Quality Score, or CQS. There are five tiers: Lowest, Low, Moderate, High, and Highest.
Each tier unlocks more trust. Lowest usually means a brand-new account — verifying your email address is often enough to move up. Moderate means you're in good standing, with room to grow. High and Highest mean your contributions are trusted, with few or no restrictions left.
Karma and CQS aren't the same thing. Karma is public and sits on your profile. CQS is private, and it's what Reddit and AutoMod actually use to decide if your content gets seen.
That gap matters: an account can have karma well above a subreddit's minimum and still get silently removed. That happens when its CQS is Low or Lowest — you'll see exactly how in the moderation section below.
You can check your own score at r/WhatIsMyCQS. Submit a post there, and a bot replies with your tier within seconds.
A few things are known to tank it. Adding a profile link on a brand-new account drops you straight to Lowest.
So does turning on NSFW content before your account has any history. Wait until you're at High — usually two to four weeks of genuine engagement — before adding a link to your profile.
Reddit weighs comments more heavily than posts when calculating CQS. If your score drops, the fastest fix is quality commenting on other people's threads, not your own posts.
How Reddit shuts you down
How moderation actually works
Most of this isn't done by a human. Every subreddit automatically has access to AutoModerator, a bot moderators configure with rules.
Those rules can filter by comment karma, account age, keywords, or domains. A subreddit can tell AutoMod to auto-remove anything from an account under a certain karma threshold. It can also tell AutoMod to auto-approve trusted accounts without review.
AutoMod has a real limitation, though: it only acts on new posts, comments, reports, or edits. It can't retroactively react to your karma changing, or dig through your account history. That's exactly why CQS exists — to cover what AutoMod's simple rules can't.
Silent comment removal
Your comment gets deleted, but you're never told. Logged into your own account, it still looks live. Log out — or open an incognito tab — and it's gone.
This is the most common outcome, and the hardest to catch. Most people assume a strategy is working simply because they can still see their own comments.
Doing this manually for every comment doesn't scale. Reveddit is a free browser extension built for exactly this — it doesn't flag anything live on the page, but it notifies you when a past comment of yours gets removed. You don't need to open an incognito tab to find out.
If half your comments or more are getting removed, that's a signal. Pull back on promotion. Post non-promotional comments for a few weeks, then try again.
Subreddit ban
You're blocked from posting or commenting in one specific subreddit. The rest of your account works normally everywhere else.
This one is usually a human decision, made by that subreddit's moderators, not Reddit's admins. You can appeal directly through modmail, though approval is entirely up to that team.
Full account ban
Your account is deactivated. Every comment and post you've ever made gets deleted, and other users can't view your profile.
Check for it at reddit.com/u/YOUR_USERNAME in an incognito window — "page not found" confirms a ban. r/ShadowBan runs a bot that checks your status automatically if you post there.
Many of these bans are automated, not manual, and can be appealed at reddit.com/appeal. Automated bans often get reversed within 24 to 72 hours.
How to promote without getting flagged
Once your account clears the bar, the real skill is knowing how and when to actually mention your brand. Three habits matter most: the ratio, the disclosure, and reading the room.
The promotional ratio
A promotional comment is any comment that names your brand or includes a link — either one counts, not just links. A link isn't even required for AI models to pick up the mention.
The rule of thumb: for every promotional comment, do three to five non-promotional ones. Non-promotional means genuinely helpful, with no mention of your product at all.
It's best if those non-promotional comments happen in the same subreddit where you plan to promote. You build local, subreddit-specific karma and a visible history there. Both work in your favor the moment you mention your brand.
Accounts with real history and solid karma get away with more. A comment from an account with hundreds of karma and months of activity survives scrutiny. A two-week-old account gets sunk by that same scrutiny instantly.
Disclose the affiliation
When a thread is directly asking for recommendations, naming your product alongside a couple of alternatives is low-risk and expected.
When the thread is a broader discussion — not a direct ask — add a short disclosure. Something like: "disclaimer, I'm on the team at [product], and here's what we've seen in the data…"
Disclosure holds up better long-term than pretending to be neutral. Reddit users check comment history.
An account that consistently promotes one company while denying any affiliation eventually gets called out. That damages a brand far more than an honest disclaimer ever would.
Read the room before you drop a link
Check the thread before deciding whether to include a URL. If other comments already contain links and none have been removed, a link is probably safe there too.
In large, heavily-moderated threads where people give recommendations but nobody posts a URL, skip the link. Mention your brand name only — people who want it will search for it themselves.
This single check predicts comment survival better than almost anything else in this guide.
Find the threads worth commenting in
None of this matters if you're commenting in the wrong threads. The threads worth your time are the ones AI models already cite as sources for your buyers' questions.
In Airefs, the Discussions view surfaces exactly these threads. It ranks them by citation count, and shows which competitors are already mentioned inside each one. It automatically filters out threads you can no longer comment on.
Reddit Alerts covers the other half: new threads matching your target keywords, the day they're posted. Early participation is easier than trying to break into a thread that's already settled with hundreds of comments. See our guide to Reddit alerts for how to set this up.
The platform doesn't matter as much as the citation. A brand mention in a LinkedIn comment or an Instagram caption gets cited the same way a Reddit comment does. If a post has been used as a source once, it can be cited again.
What good Reddit marketing actually gets you
Done well, Reddit doesn't just produce one kind of result. It compounds across four channels at once: direct leads, AI search, Google, and product feedback you can't buy.
More leads directly from Reddit
Reddit sends real, high-intent traffic. Someone who clicks through from a thoughtful comment has already qualified themselves. They're not a cold click from an ad.
We've seen this firsthand. Vero doubled its inbound leads quarter over quarter after combining Reddit participation with cited content. Nashi, an early-stage startup, went from near-zero visibility to 3 in 4 leads from inbound search in under five months.
More leads from AI search specifically
When AI tools start citing your brand, that visibility turns into signups. Genlook, a virtual try-on platform, saw 30% of its signups come from ChatGPT within two months. That was already more than it got from Google.
That's the compounding effect of citations: once AI models trust a source, they keep pulling from it. Every new citation is a chance to be the answer, not just an answer among many.
The same pattern shows up elsewhere. Interact, a quiz-building tool, became the #1 recommended tool in its category on ChatGPT, ahead of larger competitors like Typeform.
More leads from Google
The same comments and citations that feed AI search also feed traditional search. Reddit already dominates Google's results for comparison and recommendation queries. So does the content built around them.
Vero's organic traffic had been declining for five years straight. After combining on-site content with off-site Reddit and community presence, Google impressions grew 100% in six months, reaching 7.6 million.
More user and industry feedback
Reddit threads are an unfiltered focus group. People describe their actual problems, in their own words, without a survey nudging them toward an answer.
That's where you find the language your buyers use, the features they wish existed, and how they talk about competitors. It's product research and competitive intelligence, generated for free by people with no reason to flatter you.
Those same threads are where content gaps get discovered. A question that keeps coming up with no good answer is a signal. It's worth a comment right now, and an article later.
Every thread you join is also a chance to learn something before you promote anything.
Useful tools mentioned in this guide
- old.reddit.com — check your karma broken down by subreddit, from your profile page
- r/WhatIsMyCQS — submit a post here to get your Contributor Quality Score tier from a bot
- r/AskReddit — build early karma fast, with no karma or age gate to clear first
- Reveddit — browser extension that notifies you when a past comment or post of yours gets silently removed
- r/ShadowBan — post here for a bot to check whether your account is fully shadowbanned
Takeaway
Reddit rewards patience and punishes shortcuts. Karma, CQS, and disclosure aren't bureaucracy — they're what decide whether your comment survives long enough to ever get cited.
Get the mechanics right, and Reddit becomes one of the fastest ways to show up in AI answers. It also compounds into Google visibility and leads straight from the platform itself.
Get them wrong, and you lose the account before you ever see a result.
Reddit is one of the few channels left where genuine participation moves AI search, Google, and your pipeline all at once. Most brands still treat it as an afterthought.