ChatGPT Stopped Citing Reddit.
Google Didn't Blink.
Happy Tuesday!
Last week I asked whether the AI watermark was our Panda/Penguin moment. This week, a smaller change that got bigger headlines: ChatGPT stopped citing Reddit.
I was going to give this news one section, but after Muskaan walked us through Jolly's test data in last week's AI visibility sync, the story earned this entire issue. The short version:
- It did not affect Google's AI Overviews or AI Mode.
- It did affect ChatGPT, and there is a contract backstory worth knowing.
- If ChatGPT is the engine you care about, Reddit alone will not get you there. Pair it with the other things.
Google Didn't Blink
In mid-August, Reddit's share of ChatGPT citations dropped from about 3.8% to 0.5% in the space of a week. Forbes ran it as “Reddit Nearly Vanishes.”
- My hot take in our leadership meeting: we've seen these fluctuations before.
- Muskaan's reaction: ChatGPT is not the only engine, and Reddit still carries real weight in Google's AI Overviews.
Two things the headlines skipped:
- Google barely moved. Reddit's share in AI Overviews went from 2.4% to 2.1%. AI Mode, 2.2% to 1.5%.
- The tracker that reported the drop said it “can't yet rule out a data-collection issue” on its own end.
Muskaan tracks prompts for every campaign we run, and her read matches the data: Reddit is still doing its job in Google's AI Overviews. She has seen some softening on Perplexity and Gemini. And oddly, for our high-intent prompts, she still sees our threads cited on ChatGPT after the drop.
Here is what that looks like in practice.
Muskaan ran a free Reddit test for a London family law firm. One thread, posted August 17, three days after ChatGPT's citation cliff.
- Day 0: the firm was absent from Google's AI Overview for its money prompt. Five competitors were named. Google was not even citing the firm's website.
- Three weeks later: the firm is named in the AI Overview, and its own website is in the source panel.
- On Reddit's own AI answers, the firm is the number one recommendation, quoting our thread.
This was one (1) thread, with no other campaigns running. And, Muskaan flagged that the firm's site is not easily browsable by AI crawlers, so the lift did not come from a strong website.
ChatGPT Did, and Here's the Backstory
The citation drop is the symptom. The cause is more interesting.
On August 8, Promptwatch saw ChatGPT change how it searches the web. Instead of running broad queries, it started targeting specific domains directly with the “site:” operator.
- Before August 8: about 0.4% of ChatGPT's fan-out queries used site: targeting.
- After: 16.8%. Roughly a 46x jump, and ChatGPT nearly doubled the number of searches it runs per answer.
So ChatGPT is not searching the open web and landing on Reddit less. It is deciding up front which domains to pull from. Official sites and documentation took the citation slots Reddit used to hold.
But ChatGPT did not stop reading Reddit.
Trackerly tracks two layers: the pages ChatGPT consults while researching, and the pages it shows you as citations. Reddit was about one in four pages consulted before the cliff. After the cliff, still about one in four.
- Retrieval: unchanged, 25% to 34% of pages consulted through late August.
- Citations: down to about 0.5%.
Our test showed the same pattern on Google. The thread showed up in the source panel one day, then dropped out of the panel while the recommendation stayed. The engine reads the thread, learns the firm belongs in the answer, then cites the firm's own domain instead.
The takeaway: the citation list is no longer the complete record of the research. If you have been reading the sources panel as “here is everything that shaped this answer,” that stopped being true in mid-August.
For us, that changes reporting:
- “Look, our thread is cited” is no longer the proof.
- Day 0 versus present day is.
Now the backstory, and this part is pure, good old fun speculation.
OpenAI's data deal with Reddit, reportedly around $70M a year, is up for renewal in 2027. Google's own $60M-a-year deal is expiring now, and CNBC reported in July that Reddit is weighing whether to renew it at all, with usage-based pricing on the table.
If I were OpenAI and the other side wanted to charge me per use, I'd have every reason to look like I barely use it while we negotiate.
If You Care About ChatGPT, Do the Other Things
Back to the law firm. Google recommends them now. ChatGPT and Gemini do not.
- On both engines, the firm's website is in the sources. The firm is absent from the answer.
That could be read as “the Reddit post did not cause any of this.” Fair.
But, then the harder question: if the website were already strong enough on its own, why is it cited on every engine and recommended on only one?
Muskaan's theory, and I think she is right:
- The Reddit thread created discovery. Every engine now knows the firm belongs in this conversation.
- The rest of the footprint (their site, YouTube, LinkedIn, third-party mentions) is not strong enough yet to corroborate a recommendation.
- Reddit alone may have been enough for Google to recommend, but ChatGPT and Gemini, which lean on direct domain targeting, want more evidence.
Next step in the test: a free article on the firm's site, to see if one more corroborating source moves ChatGPT. I will report back.
Muskaan's rule from this morning, which I am adopting as house policy:
- LinkedIn is good
- YouTube is good
- Reddit is good
- But, never stop investing in your own website. Third-party citations can drop at any time. Your site is the one source that can't be turned off.
The onsite evidence is already showing up. For a land-investing client, Google Search Console's new generative AI report shows:
- AI impressions for the domain are up 88% in two months. The homepage is up 105%.
- The one article written specifically for AI visibility is the 3rd-highest page on the site by AI impressions, and in regular search it is up 483% in 28 days, ahead of 24 articles written for traditional SEO.
Same site, same team. The difference was writing for the engine that reads, not just the one that ranks.
Next week: the corroboration source that got a client cited on three engines in 48 hours. It was a YouTube video, and it was built for AI, not for humans.
Want to know whether your money prompt is stuck at “discovered” or has crossed into “recommended”? Reply or grab 20 minutes. Own Your Category campaigns pair Reddit with onsite content, YouTube, and LinkedIn for exactly this reason.
Until next week,
Greg