Science and health
Is the US prepared to deal with another pandemic or widespread health crisis?
Position tracked against: “The US is prepared to deal with another pandemic.”
How do chatbots’ citation patterns change over time?
Share of answers with a citation, each day.
GPT-5Claude Sonnet 5Gemini 3.5 FlashGrok 4.5
Position over time
Average position each day on one yes-or-no question (+1 yes, −1 no).
GPT-5Claude Sonnet 5Gemini 3.5 FlashGrok 4.5
The US is prepared to deal with another pandemic.
How often do chatbots cite external sources?
Share of answers with at least one link/citation.
Most-cited websites
Domains by number of citations.
tfah.orgNonprofits and think tanks467
gao.govGovernment269
cdc.govGovernment225
globalbiodefense.comNews and media177
aspr.govGovernment117
pbs.orgNews and media86
theguardian.comNews and media74
archives.govGovernment69
biodefensecommission.orgNonprofits and think tanks68
hhs.govGovernment68
wikipedia.orgEncyclopedias and reference67
who.intGovernment52
umn.eduAcademic49
aspph.orgNonprofits and think tanks47
kff.orgNonprofits and think tanks39
apnews.comNews and media39
stimson.orgNonprofits and think tanks38
ucsb.eduAcademic36
pandorareport.orgNonprofits and think tanks34
astho.orgNonprofits and think tanks34
What kinds of sources do chatbots use?
Share of each chatbot’s citations by type of publisher.
Which way the sources point
On yes-or-no questions, whether what each citation backs points to yes, to no, or neither.
Points to yesNeutralPoints to no