Science and health

Are humans responsible for climate change?

Position tracked against: “Humans are responsible for climate change.”

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%Oct 23Oct 25Oct 27Oct 29GPT-5, Oct 23: 0% (n = 1)GPT-5, Oct 24: 0% (n = 1)GPT-5, Oct 25: 0% (n = 1)GPT-5, Oct 26: 0% (n = 1)GPT-5, Oct 27: 0% (n = 1)GPT-5, Oct 28: 0% (n = 1)GPT-5, Oct 29: 0% (n = 1)GPT-5, Oct 30: 0% (n = 1)Claude Sonnet 5, Oct 23: 0% (n = 1)Claude Sonnet 5, Oct 24: 0% (n = 1)Claude Sonnet 5, Oct 25: 0% (n = 1)Claude Sonnet 5, Oct 26: 0% (n = 1)Claude Sonnet 5, Oct 27: 0% (n = 1)Claude Sonnet 5, Oct 28: 0% (n = 1)Claude Sonnet 5, Oct 29: 0% (n = 1)Claude Sonnet 5, Oct 30: 0% (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, 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)Muse Spark 1.2, Oct 23: 100% (n = 1)Muse Spark 1.2, Oct 24: 100% (n = 1)Muse Spark 1.2, Oct 25: 100% (n = 1)Muse Spark 1.2, Oct 26: 100% (n = 1)Muse Spark 1.2, Oct 27: 100% (n = 1)Muse Spark 1.2, Oct 28: 100% (n = 1)Muse Spark 1.2, Oct 29: 100% (n = 1)Muse Spark 1.2, Oct 30: 100% (n = 1)
GPT-5Claude Sonnet 5Gemini 3.5 FlashGrok 4.5Muse Spark 1.2
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+1.00Oct 25Oct 27Oct 29GPT-5, Oct 27: +1.00 (n = 1)GPT-5, Oct 28: +1.00 (n = 1)GPT-5, Oct 29: +1.00 (n = 1)Claude Sonnet 5, Oct 27: +1.00 (n = 1)Claude Sonnet 5, Oct 28: +1.00 (n = 1)Claude Sonnet 5, Oct 29: +1.00 (n = 1)Claude Sonnet 5, Oct 30: +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: +1.00 (n = 1)Grok 4.5, Oct 27: +1.00 (n = 1)Grok 4.5, Oct 28: +1.00 (n = 1)Grok 4.5, Oct 29: +1.00 (n = 1)Muse Spark 1.2, Oct 25: +1.00 (n = 1)Muse Spark 1.2, Oct 27: +1.00 (n = 1)Muse Spark 1.2, Oct 28: +1.00 (n = 1)Muse Spark 1.2, Oct 29: +1.00 (n = 1)
GPT-5Claude Sonnet 5Gemini 3.5 FlashGrok 4.5Muse Spark 1.2

Humans are responsible for climate change.

Data

How often do chatbots cite external sources?

Share of answers with at least one link/citation.

Data

Most-cited websites

Domains by number of citations.

nasa.gov42
Government
ipcc.ch20
Government
climate.gov10
Government
cornell.edu9
Academic
wikipedia.org8
Encyclopedias and reference
un.org5
Government
carbonbrief.org5
News and media
caltech.edu3
Academic
ucs.org2
Nonprofits and think tanks
theguardian.com2
News and media
europa.eu2
Government
science.org.au1
Nonprofits and think tanks
scirp.org1
Not yet classified
skepticalscience.com1
Nonprofits and think tanks
whoi.edu1
Academic
archive.md1
Data and tools
Data

What kinds of sources do chatbots use?

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

Gemini 3.5 Flash64
13%
19%
45%
9%
Grok 4.559
19%
71%
News and mediaEncyclopedias and referenceAcademicGovernmentNonprofits and think tanksData and toolsNot 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.

Grok 4.525
100%
Points to yes
Data

Read every answer to this question