ChatGPT's citation behavior depends on which version and mode is being used. In the base knowledge mode, ChatGPT generates responses from its training data without citing specific current sources. In browsing mode or when using the SearchGPT capability, ChatGPT performs live web queries and selects sources to cite based on a combination of retrieval relevance and content quality signals.
How ChatGPT Browsing Mode Selects Sources
When ChatGPT with browsing retrieves content to answer a question, it sends a query to a search backend and receives a ranked set of results. It then reads the content of the most relevant pages and generates a synthesized answer, attributing specific claims to specific sources. The selection of which claims to attribute to which sources is influenced by: how directly the content addresses the specific claim, how clearly the answer is stated in the content, and whether the content appears credible based on domain and structural signals.
What Makes Content More Likely to Be Cited
Content that gets cited by ChatGPT in browsing mode has specific characteristics: it directly answers the question in the first paragraph of the relevant section (not buried three paragraphs down), it uses clear declarative sentences that can be extracted as standalone claims, it has structured data that declares the content's topic and authority, and it is on a domain with established topical depth rather than a single isolated article.
The content architecture that Omni builds for AEO optimization follows exactly these principles — every article is structured for extractability, every page has appropriate schemas, and every site has topical cluster depth that signals authority on the relevant topics.