Reddit as a Source for ChatGPT
OpenAI licensed Reddit data for $60M/year. Reddit threads appear as ChatGPT sources for product comparisons, troubleshooting, and "best X" queries, but visible citations in browsing mode have dropped since mid-2025.
Why ChatGPT cites Reddit.
Reddit is one of the most-cited forum sources across all LLMs. AI models treat Reddit threads as authentic user opinions, especially for "best X for Y" queries, product comparisons, and troubleshooting. OpenAI signed a $60M/year licensing deal with Reddit for training data access. Visible Reddit citations in ChatGPT browsing results have fluctuated but remain significant for consumer and B2B queries alike.
Discussion forums and Q&A sites
The internet's largest forum. Subreddits cover every topic, from product recommendations to technical troubleshooting. LLMs frequently cite Reddit threads as first-hand user experiences.
Reddit across other models.
Other forum sources we track.
Stack Overflow
stackoverflow.com
The largest developer Q&A platform. A top source for code examples, error resolution, and technical explanations in LLM responses.
See data→Quora
quora.com
Q&A platform covering broad topics. Cited for expert opinions, personal experiences, and long-form answers.
See data→Hacker News
news.ycombinator.com
Y Combinator's tech community. Cited for developer opinions, startup discussions, and tech industry commentary.
See data→Questions about Reddit and ChatGPT.
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