Science and health
Are humans responsible for climate change?
Position tracked against: “Humans are responsible for climate change.”
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
Humans are responsible for climate change.
How often do chatbots cite external sources?
Share of answers with at least one link/citation.
Most-cited websites
Domains by number of citations.
nasa.govGovernment264
ipcc.chGovernment143
wikipedia.orgEncyclopedias and reference59
climate.govGovernment55
cornell.eduAcademic53
royalsociety.orgAcademic44
un.orgGovernment40
carbonbrief.orgNews and media20
iop.orgAcademic14
caltech.eduAcademic14
skepticalscience.comNonprofits and think tanks13
climateattribution.orgAcademic11
archive.mdData and tools9
archive.vnData and tools8
archive.phData and tools8
consensus.appData and tools7
cnrs.frAcademic6
ucs.orgNonprofits and think tanks6
europa.euGovernment6
edf.orgNonprofits and think tanks6
What kinds of sources do chatbots use?
Share of each chatbot’s citations by type of publisher.
News and mediaEncyclopedias and referenceAcademicCommercial contentGovernmentNonprofits and think tanksSocial media and videoForums and Q&AData 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