How do chatbots’ citation patterns change over time?
Share of answers with a citation, each day.
GPT-5Claude Sonnet 5Gemini 3.5 FlashGrok 4.5Muse Spark 1.2
Position over time
Average position each day on one yes-or-no question (+1 yes, −1 no).
GPT-5Claude Sonnet 5Gemini 3.5 FlashGrok 4.5Muse Spark 1.2
AI chatbots are biased.
How often do chatbots cite external sources?
Share of answers with at least one link/citation.
Most-cited websites
Domains by number of citations.
mit.eduAcademic153
arxiv.orgAcademic101
yale.eduAcademic98
washingtonpost.comNews and media81
etcjournal.comNews and media51
stanford.eduAcademic40
foxnews.comNews and media29
phys.orgNews and media29
washington.eduAcademic28
nature.comAcademic27
pnas.orgAcademic25
brookings.eduNonprofits and think tanks23
technologyreview.comNews and media22
emerald.comAcademic21
brown.eduAcademic20
springer.comAcademic20
ucsd.eduAcademic20
sciencedirect.comAcademic19
yahoo.comNews and media18
aclanthology.orgAcademic17
What kinds of sources do chatbots use?
Share of each chatbot’s citations by type of publisher.
News and mediaAcademicCommercial contentGovernmentNonprofits and think tanksCompaniesSocial media and videoForums and Q&ABlogs and newslettersData and toolsLow provenanceNot yet classified
Which way the sources point
On yes-or-no questions, whether what each citation backs points to yes, to no, or neither.
Points to yesNeutral