Research/Reddit in AI Search

Reddit in AI Search 2026 Statistics (Updated September)

43 statistics on how ChatGPT, Google AI Overviews, AI Mode, Perplexity and Gemini cite Reddit, how that share moves, and which posts get cited. Three of them come from AnswerPlug's data on the Reddit threads its search found in August and September 2026.

Top 10

  1. Reddit was the most-cited domain across ChatGPT, Google AI Mode, Gemini, Perplexity and Google AI Overviews in Peec AI's analysis of 30 million sources cited in the U.S.
  2. On Perplexity, Reddit took 46.7% of the citations that went to the ten most-cited sources, ahead of YouTube at 13.9%.
  3. Reddit made up 24% of all Perplexity citations in January 2026, against 3% for YouTube.
  4. ChatGPT cited Reddit in close to 60% of prompt responses in early August 2025, then about 10% by mid-September.
  5. Reddit held an average 3.83% of ChatGPT Search citations from July 18 to August 7, 2026, then 0.52% from August 14 to 17, a drop of 86.4%.
  6. 80% of the Reddit posts cited by AI search tools had fewer than 20 upvotes, and 70% had fewer than 20 comments.
  7. 98.9% of the 1,457 Reddit threads AnswerPlug judged worth answering had fewer than 20 upvotes when it found them; the median had 1.
  8. About half of U.S. shoppers check AI recommendations on Reddit before they buy, Reddit told shareholders in Q2 2026.
  9. Reddit's AI citations grew about 84% between February and July 2026 in BrightEdge's tracking.
  10. The median thread worth answering was 2.6 hours old when AnswerPlug found it, and 99.7% were less than a day old.

How often do AI search engines cite Reddit

  1. 1

    Reddit was the most-cited domain across ChatGPT, Google AI Mode, Gemini, Perplexity and Google AI Overviews in Peec AI's analysis of 30 million sources cited in the U.S.

    Source: Peec AI, 2026 [1]

  2. 2

    Profound ranks Reddit the No. 1 cited domain on Perplexity, No. 2 on ChatGPT, Google AI Overviews and Grok, No. 3 on Google AI Mode and No. 31 on Microsoft Copilot.

    Source: Profound, 2025 [2]

  3. 3

    On Perplexity, Reddit took 46.7% of the citations that went to the ten most-cited sources, ahead of YouTube at 13.9%.

    Source: Profound, 2025 [3]

  4. 4

    Reddit was the leading single source in Google AI Overviews (2.2% of all citations) and Perplexity (6.6%) from August 2024 to June 2025.

    Source: Profound, 2025 [3]

  5. 5

    Wikipedia drew 7.8% of all ChatGPT citations and Reddit 1.8% from August 2024 to June 2025, in Profound's citation tracking.

    Source: Profound, 2025 [3]

  6. 6

    Reddit made up 24% of all Perplexity citations in January 2026, against 3% for YouTube.

    Source: Tinuiti, 2026 [4]

  7. 7

    Reddit's share of ChatGPT citations was above 5% in January 2026, compared with 0.1% on Google Gemini.

    Source: Tinuiti, 2026 [4]

  8. 8

    Reddit accounted for 44% of the social media citations in Google AI Overviews in January 2026, but 5% of Gemini's.

    Source: Tinuiti, 2026 [4]

  9. 9

    Across every industry and AI platform Tinuiti tracked, Reddit's citation share grew by at least 73% from October 2025 to January 2026.

    Source: Tinuiti, 2026 [4]

  10. 10

    12.6% of ChatGPT search (SearchGPT) answers contained a Reddit link, against 9% of Google AI Mode answers and 3.5% of Perplexity answers.

    Source: Semrush, 2025 [5]

  11. 11

    Reddit was the most-cited domain for B2B and enterprise searches across AI tools in August 2025, with 3.36% of all citations, according to Profound data published by Reddit.

    Source: Reddit and SurveyMonkey, 2026 [6]

How much does Reddit's AI citation share change

  1. 12

    ChatGPT cited Reddit in close to 60% of prompt responses in early August 2025, then about 10% by mid-September.

    Source: Semrush, 2025 [7]

  2. 13

    Profound measured Reddit's share of ChatGPT citations falling from about 7% to about 1% in September 2025, then recovering to about 3%.

    Source: Profound, 2025 [2]

  3. 14

    Reddit held an average 3.83% of ChatGPT Search citations from July 18 to August 7, 2026, then 0.52% from August 14 to 17, a drop of 86.4%.

    Source: Promptwatch, 2026 [8]

  4. 15

    On August 8, 2026, ChatGPT raised its use of the site: search operator from about 0.4% of its fan-out queries to nearly 17%, Promptwatch observed.

    Source: TechRepublic, 2026 [9]

  5. 16

    Reddit's AI citations grew about 84% between February and July 2026 in BrightEdge's tracking.

    Source: BrightEdge, 2026 [10]

  6. 17

    Google AI Overviews produced 88% of Reddit's AI citation volume between February and July 2026, in BrightEdge's tracking.

    Source: BrightEdge, 2026 [10]

  7. 18

    Wikipedia's ChatGPT citations fell 51% between February and July 2026, in BrightEdge's tracking.

    Source: BrightEdge, 2026 [10]

Which Reddit posts get cited

  1. 19

    98.9% of the 1,457 Reddit threads AnswerPlug judged worth answering had fewer than 20 upvotes when it found them; the median had 1.

    Source: AnswerPlug · 2026-08-17 to 2026-09-24 · 1,457 relevant threads · method

  2. 20

    81.5% of the 1,457 Reddit threads AnswerPlug judged worth answering between August 17 and September 24, 2026 had five comments or fewer when it found them; the median had 1.

    Source: AnswerPlug · 2026-08-17 to 2026-09-24 · 1,457 relevant threads · method

  3. 21

    The median thread worth answering was 2.6 hours old when AnswerPlug found it, and 99.7% were less than a day old.

    Source: AnswerPlug · 2026-08-17 to 2026-09-24 · 1,406 relevant threads with a Reddit timestamp · method

  4. 22

    80% of the Reddit posts cited by AI search tools had fewer than 20 upvotes, and 70% had fewer than 20 comments.

    Source: Semrush, 2025 [5]

  5. 23

    The average Reddit post cited by AI engines in 2025 was one year old, and 4% of cited posts dated from 2019 or earlier.

    Source: Profound, 2025 [2]

  6. 24

    AI engines cited Reddit posts with negative brand sentiment about as often as positive ones: 6.1% of citations against 5%.

    Source: Profound, 2025 [2]

  7. 25

    In SE Ranking's three-month test, 42 Reddit posts, 9% of the 482 tracked, collected about 48% of all AI citations.

    Source: SE Ranking, 2026 [11]

  8. 26

    Posts that kept appearing in all six checks were cited 83.4 times each on average, against 1.6 times for posts that appeared once.

    Source: SE Ranking, 2026 [11]

How Reddit shows up in Google

  1. 27

    Reddit held 10.24% of Google's top-three positions after the May 2026 core update, up from 8.56% after the March update.

    Source: SE Ranking, 2026 [11]

  2. 28

    Keywords where Reddit ranks first on Google rose 54% between the March and May 2026 updates, from 8,993 to 13,872.

    Source: SE Ranking, 2026 [11]

  3. 29

    Google searchers clicked on more than 200 million unique Reddit posts in the third quarter of 2025.

    Source: Reddit and SurveyMonkey, 2026 [6]

  4. 30

    Semrush counts about 263 million keywords Reddit ranks for on Google, 34% of them in positions 21 to 100.

    Source: Semrush, 2025 [7]

  5. 31

    Google's 2024 AI licensing deal with Reddit was valued at about $60 million.

    Source: CBS News, 2024 [12]

  6. 32

    Reddit shares fell 8% on July 22, 2026, after the Wall Street Journal reported that Reddit had discussed shutting off Google's access to its content for AI.

    Source: CNBC, 2026 [13]

How people use Reddit alongside AI

  1. 33

    About half of U.S. shoppers check AI recommendations on Reddit before they buy, Reddit told shareholders in Q2 2026.

    Source: Reddit, Inc., 2026 [14]

  2. 34

    60% of U.S. adults on Reddit trust Reddit to verify AI recommendations, more than the 53% who trust family or friends for that.

    Source: Reddit for Business, 2026 [15]

  3. 35

    In the UK the same comparison was 49% for Reddit and 44% for family or friends.

    Source: Reddit for Business, 2026 [15]

  4. 36

    43% of Reddit users in the U.S. say they come to Reddit for stories about long-term product quality that AI cannot provide.

    Source: Reddit for Business, 2026 [15]

  5. 37

    41% of Reddit users in the U.S. say they come to Reddit looking for human consensus.

    Source: Reddit for Business, 2026 [15]

  6. 38

    More than 80 million people searched directly on Reddit each week in Q4 2025, up from 60 million a year earlier, as Reddit merged its search with its AI feature Reddit Answers.

    Source: Reddit, Inc., 2026 [16]

  7. 39

    Visitors who reach Reddit from ChatGPT view 42% more screens per user than visitors from Google, according to Reddit's own analytics.

    Source: Reddit and SurveyMonkey, 2026 [6]

What research says about Reddit in AI answers

  1. 40

    Adding as few as 13 words to one frequently retrieved page got an attacker's text retrieved in 57% to 76% of deep-research agent runs and cited in 38% to 51% of the reports, in tests on user-generated pages such as Reddit threads.

    Source: arXiv, 2026 [17]

  2. 41

    Poisoning an entire subreddit reached citation rates of 30% to 53% even when the planted text made up only 0.5% to 4% of the retrieved content.

    Source: arXiv, 2026 [17]

  3. 42

    In more than 100,000 AI answers about 100+ brands from March to May 2026, about 78% of cited sources were corporate websites; among the rest, YouTube was cited more than Reddit.

    Source: arXiv, 2026 [18]

  4. 43

    An audit of ChatGPT, Copilot, Gemini and Perplexity on 712 real queries found that about 16% of the sources they cited were AI-generated.

    Source: arXiv, 2026 [19]

Frequently asked questions

How often does ChatGPT cite Reddit?

It changes a lot. Semrush found ChatGPT cited Reddit in close to 60% of prompt responses in early August 2025 and about 10% by mid-September. Promptwatch measured Reddit at 3.83% of ChatGPT Search citations in late July 2026 and 0.52% in mid-August 2026, a drop of 86.4%.

Does Google AI Overviews cite Reddit?

Yes. Profound found Reddit was the most-cited single source in AI Overviews from August 2024 to June 2025, with 2.2% of all citations. Tinuiti found Reddit made up 44% of AI Overviews' social media citations in January 2026, and BrightEdge found AI Overviews produced 88% of Reddit's AI citation volume from February to July 2026.

Which AI search engine cites Reddit the most?

Perplexity, in most studies. Tinuiti found Reddit made up 24% of all Perplexity citations in January 2026, and Profound found Reddit took 46.7% of Perplexity's citations to its ten most-cited sources. Semrush's November 2025 study is the exception: 12.6% of ChatGPT search answers had a Reddit link, against 3.5% on Perplexity.

What kind of Reddit posts do AI engines cite?

Mostly small, older threads. Semrush found 80% of cited posts had fewer than 20 upvotes. Profound found the average cited post in 2025 was a year old. In SE Ranking's test, 42 posts that kept getting cited drew about 48% of all citations.

Do people check AI answers on Reddit?

Reddit says about half of U.S. shoppers do before they buy. In its May 2026 survey, 60% of U.S. adults on Reddit trusted Reddit to verify AI recommendations, against 53% who trusted family or friends.

Sources

  1. [1]Peec AI. 2026.↑1
  2. [2]Profound. “The data on Reddit and AI search”. 2025.↑2 ↑13 ↑23 ↑24
  3. [3]Profound. “AI platform citation patterns”. 2025.↑3 ↑4 ↑5
  4. [4]Tinuiti. 2026.↑6 ↑7 ↑8 ↑9
  5. [5]Semrush. “We analyzed 248K Reddit posts”. 2025.↑10 ↑22
  6. [6]Reddit and SurveyMonkey. “The hidden B2B journey”. 2026.↑11 ↑29 ↑39
  7. [7]Semrush. “The most-cited domains in AI”. 2025.↑12 ↑30
  8. [8]Promptwatch. 2026.↑14
  9. [9]TechRepublic. 2026.↑15
  10. [10]BrightEdge. 2026.↑16 ↑17 ↑18
  11. [11]SE Ranking. 2026.↑25 ↑26 ↑27 ↑28
  12. [12]CBS News. 2024.↑31
  13. [13]CNBC. 2026.↑32
  14. [14]Reddit, Inc.. “Q2 2026 letter to shareholders”. 2026.↑33
  15. [15]Reddit for Business. “Half of US shoppers verify AI recommendations on Reddit”. 2026.↑34 ↑35 ↑36 ↑37
  16. [16]Reddit, Inc.. “Q4 2025 letter to shareholders”. 2026.↑38
  17. [17]arXiv. 2026.↑40 ↑41
  18. [18]arXiv. 2026.↑42
  19. [19]arXiv. 2026.↑43

Method

We searched Google for reddit ai search statistics, reddit citations chatgpt and reddit google ai overviews, read the pages that ranked, and counted how many of them repeat each number. Each outside number was traced to the organisation that produced it and checked against that page on September 24, 2026. Citation shares come from AI visibility vendors (Profound, Peec AI, Tinuiti, Semrush, SE Ranking, BrightEdge, Promptwatch). Each runs its own prompt set, so their percentages measure different things: share of all citations, share of answers with a Reddit link, or share of the top ten sources. Compare numbers within one source, and check the dates: ChatGPT's use of Reddit dropped sharply in September 2025 and again in August 2026. The research section uses arXiv preprints from 2026, which have not all been peer reviewed. AnswerPlug numbers come from the thread records in AnswerPlug's database for August 17 to September 24, 2026.

AnswerPlug numbers new on this page:

  • 98.9% of the 1,457 Reddit threads AnswerPlug judged worth answering had fewer than 20 upvotes when it found them; the median had 1. Reddit's score value stored when the thread was found. Relevant = the model's verdict stored on each thread row.
  • 81.5% of the 1,457 Reddit threads AnswerPlug judged worth answering between August 17 and September 24, 2026 had five comments or fewer when it found them; the median had 1. Reddit's num_comments value stored when the thread was found.
  • The median thread worth answering was 2.6 hours old when AnswerPlug found it, and 99.7% were less than a day old. Time between the post's Reddit timestamp and the moment AnswerPlug stored it. AnswerPlug searches for recent threads, so this measures its search window as much as Reddit.

All 43 statistics as a CSV: reddit-ai-search-statistics.csv.

Cite this page

AnswerPlug, “Reddit in AI Search 2026 Statistics (Updated September)”, updated September 2026, https://answerplug.com/research/reddit-ai-search-statistics

To cite one number, link its anchor: each statistic has one, for example https://answerplug.com/research/reddit-ai-search-statistics#stat-1.

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