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ChatGPT suddenly stops citing Reddit as much
Reddit, once a favorite source of information for AI chatbots, is now barely being cited by ChatGPT, according to a new report from an AI search and analytics company. Published this week by PromptWatch, the report found that Reddit citations in ChatGPT Search fell more than 86 percent over a recent four-day period. PromptWatch data shows that Reddit held an average share of 3.83 percent of ChatGPT citations. This made Reddit one of ChatGPT's most cited domains from across the web. However, within one day, that quickly changed. PromptWatch noticed that starting on Aug. 14, Reddit's citation share plunged to less than 1 percent. Between Aug. 14 and 17, Reddit's ChatGPT citation share fell even lower, to an average of 0.52 percent, or an 86.4 percent decline. This is a stunning and sudden drop in ChatGPT citations for Reddit. So, what happened? As of now, exactly why Reddit fell out of favor with ChatGPT is unclear. The drastic decline in Reddit citations is unique to ChatGPT, according to PrompWatch's report, although there were slight decreases in Reddit citations in Google AI Overviews and AI Mode during the same timeframe. Search Engine Journal reports that ChatGPT changed its search process on Aug. 8, but that this wouldn't explain the massive drop days later on Aug. 14. As the outlet explains, a similar drop has occurred before, and neither ChatGPT creator OpenAI nor Reddit was responsible. In September of last year, Reddit citations on ChatGPT also declined. It turned out that that citation plunge was due to a search parameter change that Google had made, and which many tools, including ChatGPT, relied on. Reddit has long had a complicated relationship with AI and scraping bots. Generation engine optimization, or GEO, is a new branch of search engine optimization (SEO) that optimizes websites specifically for AI. As a result of AI's rising popularity, Reddit has dealt with a significant uptick in spam and other promotional GEO tactics from users and agencies looking to get their websites and clients mentioned by AI chatbots. With that said, Reddit has also benefited from the AI boom as well. The company signed a lucrative deal with OpenAI a few years ago, which allowed the AI company to train its LLMs using Reddit user content. When news broke last month that Reddit may not renew a similar AI licensing deal with Google, Reddit stock took a dive. While it's possible that either Reddit or OpenAI made a purposeful decision that resulted in the citation decline, don't be surprised if ChatGPT soon reverts to regularly sourcing Reddit again either.
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ChatGPT Suddenly Cut Reddit Citations by 81 Percent, a New Report Found. Review Sites Gained Ground
Thanks to millions of users who post and engage in real-time discussions on a daily basis, Reddit is one of the internet's largest repositories of text. This makes it extremely valuable to AI bots to generate responses and provide summaries -- particularly ChatGPT. In the past, the OpenAI model has been known to frequently cite Reddit. Now, some people have reported a sudden decline in ChatGPT's Reddit citations over the last week. "Around August 14, ChatGPT started citing Reddit about 80% less than it was before," Petra Labs co-founder Sami Akkawi wrote on LinkedIn two days ago. Is ChatGPT citing Reddit less? That's not all. Based on the analysis by Petra Labs, while Reddit citations showed a significant dip, all social media citations -- including YouTube, Instagram, Facebook, Linkedin and TikTok -- have seemingly taken a hit. This seemed to occur on the same day. "Reddit actually did not even experience the largest percentage decrease," he told Inc. LinkedIn and Facebook showed the smallest decline at 36 and 28 percent, respectively. That's compared to TikTok at 72 percent, Reddit at 81 percent, and Youtube at 88 percent. "While all social channels saw declines, most of them were operating on a way smaller base of citations than Reddit was (an order of magnitude or two smaller), which is why Reddit saw the largest absolute magnitude decrease," he added.
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ChatGPT's reliance on Reddit has mysteriously plummeted, with citations dropping from 3.83% to just 0.52% between August 14-17. The decline affected all social media platforms, with YouTube down 88% and TikTok down 72%, raising questions about OpenAI's data sourcing strategy.
ChatGPT has dramatically reduced its reliance on Reddit, with citations plummeting by 86.4 percent over a four-day period in mid-August, according to AI analytics firm PromptWatch
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. Reddit previously held an average share of 3.83 percent of ChatGPT citations, making it one of the most frequently referenced domains across the web1
. Starting August 14, that figure crashed to less than 1 percent, eventually bottoming out at an average of 0.52 percent by August 171
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Source: Mashable
This sudden decline has left industry observers puzzled, as neither OpenAI nor Reddit has publicly explained the shift. The drastic change in Reddit's share of citations appears unique to ChatGPT, though Google's AI Overviews and AI Mode showed slight decreases during the same timeframe
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. The timing raises questions about changes in underlying search parameters or deliberate adjustments to response generation strategies.Reddit wasn't the only casualty. Analysis by Petra Labs revealed that all social media citations experienced significant declines on the same day
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. YouTube saw the steepest percentage drop at 88 percent, followed by Reddit at 81 percent and TikTok at 72 percent2
. LinkedIn and Facebook showed smaller but still notable declines of 36 percent and 28 percent respectively2
.Petra Labs co-founder Sami Akkawi noted that while most social media platforms operated on a much smaller base of citations than Reddit, the platform experienced the largest absolute magnitude decrease due to its previously dominant position
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. This broad reduction across social platforms suggests a systematic change in how ChatGPT prioritizes data sourcing rather than a Reddit-specific issue.ChatGPT modified its search process on August 8, but this wouldn't account for the massive drop six days later on August 14
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. A similar pattern emerged in September of last year when Reddit citations on ChatGPT also declined sharply1
. That previous incident was traced to a search parameter change made by Google, which many tools including ChatGPT relied upon for AI-generated responses1
.The current situation may follow a similar pattern, potentially involving changes to third-party search infrastructure rather than direct decisions by OpenAI or Reddit. However, the simultaneous decline across multiple social media platforms suggests a more deliberate shift in citation preferences or technical adjustments to how ChatGPT evaluates source credibility.
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Reddit has navigated a complicated relationship with AI and scraping bots as the technology has evolved. The platform signed a lucrative licensing deal with OpenAI allowing the AI company to train its large language models using Reddit user content
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. This partnership highlighted Reddit's value as one of the internet's largest repositories of text, with millions of users posting and engaging in real-time discussions daily2
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Source: Inc.
Yet Reddit has also struggled with increased spam and promotional tactics as generation engine optimization (GEO) has emerged as a new branch of search engine optimization
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. Users and agencies seeking to get their websites mentioned by AI chatbots have flooded the platform with content designed specifically for AI consumption. When news broke that Reddit might not renew a similar AI licensing deal with Google, Reddit stock took a dive, demonstrating the financial stakes involved1
.The citation decline raises important questions about the future of social media platforms as trusted sources for AI systems. If ChatGPT continues deprioritizing social media citations, it could reshape how information flows through AI-generated responses and impact which platforms benefit from AI traffic. Watch for potential announcements from OpenAI about search methodology changes or from Reddit about evolving partnerships. The situation also highlights the volatility of AI data sourcing strategies, which can shift dramatically without warning and affect millions of users seeking information through ChatGPT. Industry experts suggest this may not be permanent—previous citation drops have reversed once underlying technical issues were resolved
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