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.”

All datesLast 30 daysLast 7 days

How do chatbots’ citation patterns change over time?

Share of answers with a citation, each day.

0%25%50%75%100%Sep 11Sep 25Oct 9Oct 23GPT-5, Sep 11: 100% (n = 1)GPT-5, Sep 12: 100% (n = 1)GPT-5, Sep 13: 100% (n = 1)GPT-5, Sep 14: 100% (n = 1)GPT-5, Sep 15: 100% (n = 1)GPT-5, Sep 16: 100% (n = 1)GPT-5, Sep 17: 100% (n = 1)GPT-5, Sep 18: 100% (n = 1)GPT-5, Sep 19: 100% (n = 1)GPT-5, Sep 20: 100% (n = 1)GPT-5, Sep 21: 100% (n = 1)GPT-5, Sep 22: 100% (n = 1)GPT-5, Sep 23: 100% (n = 1)GPT-5, Sep 24: 100% (n = 1)GPT-5, Sep 25: 100% (n = 1)GPT-5, Sep 26: 100% (n = 1)GPT-5, Sep 27: 100% (n = 1)GPT-5, Sep 28: 100% (n = 1)GPT-5, Sep 29: 100% (n = 1)GPT-5, Sep 30: 100% (n = 1)GPT-5, Oct 1: 100% (n = 1)GPT-5, Oct 2: 100% (n = 1)GPT-5, Oct 3: 100% (n = 1)GPT-5, Oct 4: 100% (n = 1)GPT-5, Oct 5: 100% (n = 1)GPT-5, Oct 6: 100% (n = 1)GPT-5, Oct 7: 100% (n = 1)GPT-5, Oct 8: 100% (n = 1)GPT-5, Oct 9: 100% (n = 1)GPT-5, Oct 10: 100% (n = 1)GPT-5, Oct 11: 100% (n = 1)GPT-5, Oct 12: 100% (n = 1)GPT-5, Oct 13: 100% (n = 1)GPT-5, Oct 14: 100% (n = 1)GPT-5, Oct 15: 100% (n = 1)GPT-5, Oct 16: 100% (n = 1)GPT-5, Oct 17: 100% (n = 1)GPT-5, Oct 18: 100% (n = 1)GPT-5, Oct 19: 100% (n = 1)GPT-5, Oct 20: 100% (n = 1)GPT-5, Oct 21: 100% (n = 1)GPT-5, Oct 22: 100% (n = 1)GPT-5, Oct 23: 100% (n = 1)GPT-5, Oct 24: 100% (n = 1)GPT-5, Oct 25: 100% (n = 1)GPT-5, Oct 26: 100% (n = 1)GPT-5, Oct 27: 100% (n = 1)GPT-5, Oct 28: 100% (n = 1)GPT-5, Oct 29: 100% (n = 1)GPT-5, Oct 30: 100% (n = 1)Claude Sonnet 5, Sep 11: 100% (n = 1)Claude Sonnet 5, Sep 12: 100% (n = 1)Claude Sonnet 5, Sep 13: 100% (n = 1)Claude Sonnet 5, Sep 14: 100% (n = 1)Claude Sonnet 5, Sep 15: 100% (n = 1)Claude Sonnet 5, Sep 16: 100% (n = 1)Claude Sonnet 5, Sep 17: 100% (n = 1)Claude Sonnet 5, Sep 18: 100% (n = 1)Claude Sonnet 5, Sep 19: 100% (n = 1)Claude Sonnet 5, Sep 20: 100% (n = 1)Claude Sonnet 5, Sep 21: 100% (n = 1)Claude Sonnet 5, Sep 22: 100% (n = 1)Claude Sonnet 5, Sep 23: 100% (n = 1)Claude Sonnet 5, Sep 24: 100% (n = 1)Claude Sonnet 5, Sep 25: 100% (n = 1)Claude Sonnet 5, Sep 26: 100% (n = 1)Claude Sonnet 5, Sep 27: 100% (n = 1)Claude Sonnet 5, Sep 28: 100% (n = 1)Claude Sonnet 5, Sep 29: 100% (n = 1)Claude Sonnet 5, Sep 30: 100% (n = 1)Claude Sonnet 5, Oct 1: 100% (n = 1)Claude Sonnet 5, Oct 2: 100% (n = 1)Claude Sonnet 5, Oct 3: 100% (n = 1)Claude Sonnet 5, Oct 4: 100% (n = 1)Claude Sonnet 5, Oct 5: 100% (n = 1)Claude Sonnet 5, Oct 6: 100% (n = 1)Claude Sonnet 5, Oct 7: 100% (n = 1)Claude Sonnet 5, Oct 8: 100% (n = 1)Claude Sonnet 5, Oct 9: 100% (n = 1)Claude Sonnet 5, Oct 10: 100% (n = 1)Claude Sonnet 5, Oct 11: 100% (n = 1)Claude Sonnet 5, Oct 12: 100% (n = 1)Claude Sonnet 5, Oct 13: 100% (n = 1)Claude Sonnet 5, Oct 14: 100% (n = 1)Claude Sonnet 5, Oct 15: 100% (n = 1)Claude Sonnet 5, Oct 16: 100% (n = 1)Claude Sonnet 5, Oct 17: 100% (n = 1)Claude Sonnet 5, Oct 18: 100% (n = 1)Claude Sonnet 5, Oct 19: 100% (n = 1)Claude Sonnet 5, Oct 20: 100% (n = 1)Claude Sonnet 5, Oct 21: 100% (n = 1)Claude Sonnet 5, Oct 22: 100% (n = 1)Claude Sonnet 5, Oct 23: 100% (n = 1)Claude Sonnet 5, Oct 24: 100% (n = 1)Claude Sonnet 5, Oct 25: 100% (n = 1)Claude Sonnet 5, Oct 26: 100% (n = 1)Claude Sonnet 5, Oct 27: 100% (n = 1)Claude Sonnet 5, Oct 28: 100% (n = 1)Claude Sonnet 5, Oct 29: 100% (n = 1)Claude Sonnet 5, Oct 30: 100% (n = 1)Gemini 3.5 Flash, Sep 11: 100% (n = 1)Gemini 3.5 Flash, Sep 12: 100% (n = 1)Gemini 3.5 Flash, Sep 13: 100% (n = 1)Gemini 3.5 Flash, Sep 14: 100% (n = 1)Gemini 3.5 Flash, Sep 15: 100% (n = 1)Gemini 3.5 Flash, Sep 16: 100% (n = 1)Gemini 3.5 Flash, Sep 17: 100% (n = 1)Gemini 3.5 Flash, Sep 18: 100% (n = 1)Gemini 3.5 Flash, Sep 19: 100% (n = 1)Gemini 3.5 Flash, Sep 20: 100% (n = 1)Gemini 3.5 Flash, Sep 21: 100% (n = 1)Gemini 3.5 Flash, Sep 22: 100% (n = 1)Gemini 3.5 Flash, Sep 23: 100% (n = 1)Gemini 3.5 Flash, Sep 24: 100% (n = 1)Gemini 3.5 Flash, Sep 25: 100% (n = 1)Gemini 3.5 Flash, Sep 26: 100% (n = 1)Gemini 3.5 Flash, Sep 27: 100% (n = 1)Gemini 3.5 Flash, Sep 28: 100% (n = 1)Gemini 3.5 Flash, Sep 29: 100% (n = 1)Gemini 3.5 Flash, Sep 30: 100% (n = 1)Gemini 3.5 Flash, Oct 1: 100% (n = 1)Gemini 3.5 Flash, Oct 2: 100% (n = 1)Gemini 3.5 Flash, Oct 3: 100% (n = 1)Gemini 3.5 Flash, Oct 4: 100% (n = 1)Gemini 3.5 Flash, Oct 5: 100% (n = 1)Gemini 3.5 Flash, Oct 6: 100% (n = 1)Gemini 3.5 Flash, Oct 7: 100% (n = 1)Gemini 3.5 Flash, Oct 8: 100% (n = 1)Gemini 3.5 Flash, Oct 9: 100% (n = 1)Gemini 3.5 Flash, Oct 10: 100% (n = 1)Gemini 3.5 Flash, Oct 11: 100% (n = 1)Gemini 3.5 Flash, Oct 12: 100% (n = 1)Gemini 3.5 Flash, Oct 13: 100% (n = 1)Gemini 3.5 Flash, Oct 14: 100% (n = 1)Gemini 3.5 Flash, Oct 15: 100% (n = 1)Gemini 3.5 Flash, Oct 16: 100% (n = 1)Gemini 3.5 Flash, Oct 17: 100% (n = 1)Gemini 3.5 Flash, Oct 18: 100% (n = 1)Gemini 3.5 Flash, Oct 19: 100% (n = 1)Gemini 3.5 Flash, Oct 20: 100% (n = 1)Gemini 3.5 Flash, Oct 21: 100% (n = 1)Gemini 3.5 Flash, Oct 22: 100% (n = 1)Gemini 3.5 Flash, Oct 23: 100% (n = 1)Gemini 3.5 Flash, Oct 24: 100% (n = 1)Gemini 3.5 Flash, Oct 25: 100% (n = 1)Gemini 3.5 Flash, Oct 26: 100% (n = 1)Gemini 3.5 Flash, Oct 27: 100% (n = 1)Gemini 3.5 Flash, Oct 28: 100% (n = 1)Gemini 3.5 Flash, Oct 29: 100% (n = 1)Gemini 3.5 Flash, Oct 30: 100% (n = 1)Grok 4.5, Sep 11: 100% (n = 1)Grok 4.5, Sep 12: 100% (n = 1)Grok 4.5, Sep 13: 100% (n = 1)Grok 4.5, Sep 14: 100% (n = 1)Grok 4.5, Sep 15: 100% (n = 1)Grok 4.5, Sep 16: 100% (n = 1)Grok 4.5, Sep 17: 100% (n = 1)Grok 4.5, Sep 18: 100% (n = 1)Grok 4.5, Sep 19: 100% (n = 1)Grok 4.5, Sep 20: 100% (n = 1)Grok 4.5, Sep 21: 100% (n = 1)Grok 4.5, Sep 22: 100% (n = 1)Grok 4.5, Sep 23: 100% (n = 1)Grok 4.5, Sep 24: 100% (n = 1)Grok 4.5, Sep 25: 100% (n = 1)Grok 4.5, Sep 26: 100% (n = 1)Grok 4.5, Sep 27: 100% (n = 1)Grok 4.5, Sep 28: 100% (n = 1)Grok 4.5, Sep 29: 100% (n = 1)Grok 4.5, Sep 30: 100% (n = 1)Grok 4.5, Oct 1: 100% (n = 1)Grok 4.5, Oct 2: 100% (n = 1)Grok 4.5, Oct 3: 100% (n = 1)Grok 4.5, Oct 4: 100% (n = 1)Grok 4.5, Oct 5: 100% (n = 1)Grok 4.5, Oct 6: 100% (n = 1)Grok 4.5, Oct 7: 100% (n = 1)Grok 4.5, Oct 8: 100% (n = 1)Grok 4.5, Oct 9: 100% (n = 1)Grok 4.5, Oct 10: 100% (n = 1)Grok 4.5, Oct 11: 100% (n = 1)Grok 4.5, Oct 12: 100% (n = 1)Grok 4.5, Oct 13: 100% (n = 1)Grok 4.5, Oct 14: 100% (n = 1)Grok 4.5, Oct 15: 100% (n = 1)Grok 4.5, Oct 16: 100% (n = 1)Grok 4.5, Oct 17: 100% (n = 1)Grok 4.5, Oct 18: 100% (n = 1)Grok 4.5, Oct 19: 100% (n = 1)Grok 4.5, Oct 20: 100% (n = 1)Grok 4.5, Oct 21: 100% (n = 1)Grok 4.5, Oct 22: 100% (n = 1)Grok 4.5, Oct 23: 100% (n = 1)Grok 4.5, Oct 24: 100% (n = 1)Grok 4.5, Oct 25: 100% (n = 1)Grok 4.5, Oct 26: 100% (n = 1)Grok 4.5, Oct 27: 100% (n = 1)Grok 4.5, Oct 28: 100% (n = 1)Grok 4.5, Oct 29: 100% (n = 1)Grok 4.5, Oct 30: 100% (n = 1)
GPT-5Claude Sonnet 5Gemini 3.5 FlashGrok 4.5
Data

Position over time

Average position each day on one yes-or-no question (+1 yes, −1 no).

-1.00-0.500.00+0.50+1.00Sep 11Oct 5Oct 23GPT-5, Sep 11: -0.50 (n = 1)GPT-5, Sep 23: -0.50 (n = 1)GPT-5, Oct 5: 0.00 (n = 1)GPT-5, Oct 16: -0.50 (n = 1)GPT-5, Oct 23: -0.50 (n = 1)GPT-5, Oct 24: -0.50 (n = 1)GPT-5, Oct 27: -0.50 (n = 1)GPT-5, Oct 28: -0.50 (n = 1)GPT-5, Oct 29: 0.00 (n = 1)Claude Sonnet 5, Sep 11: -1.00 (n = 1)Claude Sonnet 5, Sep 23: -1.00 (n = 1)Claude Sonnet 5, Oct 5: -1.00 (n = 1)Claude Sonnet 5, Oct 16: -1.00 (n = 1)Claude Sonnet 5, Oct 27: -0.50 (n = 1)Claude Sonnet 5, Oct 28: -0.50 (n = 1)Claude Sonnet 5, Oct 29: -1.00 (n = 1)Gemini 3.5 Flash, Sep 11: -0.50 (n = 1)Gemini 3.5 Flash, Sep 23: -0.50 (n = 1)Gemini 3.5 Flash, Oct 5: -0.50 (n = 1)Gemini 3.5 Flash, Oct 11: -0.50 (n = 1)Gemini 3.5 Flash, Oct 16: -1.00 (n = 1)Gemini 3.5 Flash, Oct 27: -1.00 (n = 1)Gemini 3.5 Flash, Oct 28: -1.00 (n = 1)Gemini 3.5 Flash, Oct 29: -0.50 (n = 1)Gemini 3.5 Flash, Oct 30: -0.50 (n = 1)Grok 4.5, Sep 11: -0.50 (n = 1)Grok 4.5, Sep 23: -1.00 (n = 1)Grok 4.5, Oct 5: -1.00 (n = 1)Grok 4.5, Oct 16: -1.00 (n = 1)Grok 4.5, Oct 27: -1.00 (n = 1)Grok 4.5, Oct 28: -0.50 (n = 1)Grok 4.5, Oct 29: -1.00 (n = 1)
GPT-5Claude Sonnet 5Gemini 3.5 FlashGrok 4.5

The US is prepared to deal with another pandemic.

Data

How often do chatbots cite external sources?

Share of answers with at least one link/citation.

GPT-5100%
Data

Most-cited websites

Domains by number of citations.

tfah.org384
Nonprofits and think tanks
gao.gov232
Government
cdc.gov197
Government
globalbiodefense.com132
News and media
aspr.gov109
Government
pbs.org81
News and media
wikipedia.org63
Encyclopedias and reference
theguardian.com60
News and media
hhs.gov59
Government
biodefensecommission.org59
Nonprofits and think tanks
archives.gov59
Government
aspph.org47
Nonprofits and think tanks
who.int46
Government
umn.edu42
Academic
stimson.org35
Nonprofits and think tanks
kff.org33
Nonprofits and think tanks
ucsb.edu33
Academic
pandorareport.org32
Nonprofits and think tanks
astho.org29
Nonprofits and think tanks
nejm.org29
Academic
Data

What kinds of sources do chatbots use?

Share of each chatbot’s citations by type of publisher.

GPT-5505
75%
12%
Gemini 3.5 Flash771
19%
11%
15%
32%
13%
Grok 4.5639
12%
16%
38%
26%
News and mediaEncyclopedias and referenceAcademicCommercial contentGovernmentNonprofits and think tanksCompaniesSocial media and videoForums and Q&ABlogs and newslettersData and toolsLow provenanceNot yet classified
Data

Which way the sources point

On yes-or-no questions, whether what each citation backs points to yes, to no, or neither.

GPT-596
41%
55%
Claude Sonnet 5105
10%
10%
79%
Gemini 3.5 Flash133
15%
11%
74%
Grok 4.582
32%
62%
Points to yesNeutralPoints to no
Data

Read every answer to this question