Science and health

Is climate change real?

Position tracked against: “Climate change is real.”

How do chatbots’ citation patterns change over time?

Share of answers with a citation, each day.

0%25%50%75%100%Nov 1Nov 3Nov 5Nov 7GPT-5, Nov 1: 0% (n = 1)GPT-5, Nov 2: 0% (n = 1)GPT-5, Nov 3: 0% (n = 1)GPT-5, Nov 4: 0% (n = 1)GPT-5, Nov 5: 0% (n = 1)GPT-5, Nov 6: 0% (n = 1)GPT-5, Nov 7: 0% (n = 1)GPT-5, Nov 8: 0% (n = 1)Claude Sonnet 5, Nov 1: 0% (n = 1)Claude Sonnet 5, Nov 2: 0% (n = 1)Claude Sonnet 5, Nov 3: 0% (n = 1)Claude Sonnet 5, Nov 4: 0% (n = 1)Claude Sonnet 5, Nov 5: 0% (n = 1)Claude Sonnet 5, Nov 6: 0% (n = 1)Claude Sonnet 5, Nov 7: 0% (n = 1)Claude Sonnet 5, Nov 8: 0% (n = 1)Gemini 3.5 Flash, Nov 1: 100% (n = 1)Gemini 3.5 Flash, Nov 2: 100% (n = 1)Gemini 3.5 Flash, Nov 3: 100% (n = 1)Gemini 3.5 Flash, Nov 4: 100% (n = 1)Gemini 3.5 Flash, Nov 5: 100% (n = 1)Gemini 3.5 Flash, Nov 6: 100% (n = 1)Gemini 3.5 Flash, Nov 7: 100% (n = 1)Gemini 3.5 Flash, Nov 8: 100% (n = 1)Grok 4.5, Nov 1: 100% (n = 1)Grok 4.5, Nov 2: 100% (n = 1)Grok 4.5, Nov 3: 100% (n = 1)Grok 4.5, Nov 4: 100% (n = 1)Grok 4.5, Nov 5: 100% (n = 1)Grok 4.5, Nov 6: 100% (n = 1)Grok 4.5, Nov 7: 100% (n = 1)Grok 4.5, Nov 8: 100% (n = 1)Muse Spark 1.2, Nov 1: 100% (n = 1)Muse Spark 1.2, Nov 2: 100% (n = 1)Muse Spark 1.2, Nov 3: 100% (n = 1)Muse Spark 1.2, Nov 4: 100% (n = 1)Muse Spark 1.2, Nov 5: 100% (n = 1)Muse Spark 1.2, Nov 6: 100% (n = 1)Muse Spark 1.2, Nov 7: 100% (n = 1)Muse Spark 1.2, Nov 8: 100% (n = 1)
GPT-5Claude Sonnet 5Gemini 3.5 FlashGrok 4.5Muse Spark 1.2
Data

Methodology

How do chatbots’ citation patterns change over time?

Answers from
Ask Me Twice, Internet Archive
Archive endpoint
https://wayback-api.archive.org/services/amt/api/v1/responses/?detail=full
Model endpoint
https://openrouter.ai/api/v1/chat/completions (the archive asks through OpenRouter)
Web search
On from Sep 11, 2026
Collection
Once a day, one answer per chatbot and question, each in a new chat with no history
Dates
Nov 1, 2026 to Nov 8, 2026
Answers
40
Models
  • GPT-5 (openai/gpt-5)
  • Claude Sonnet 5 (anthropic/claude-sonnet-5)
  • Gemini 3.5 Flash (google/gemini-3.5-flash)
  • Grok 4.5 (x-ai/grok-4.5)
  • Muse Spark 1.2 (meta/muse-spark-1.2)
Prompt
Is climate change real?

Position over time

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

No annotations yet. They appear once the annotation job has run.

Data

Methodology

Position over time

Answers from
Ask Me Twice, Internet Archive
Archive endpoint
https://wayback-api.archive.org/services/amt/api/v1/responses/?detail=full
Model endpoint
https://openrouter.ai/api/v1/chat/completions (the archive asks through OpenRouter)
Web search
On from Sep 11, 2026
Collection
Once a day, one answer per chatbot and question, each in a new chat with no history
Dates
Nov 1, 2026 to Nov 8, 2026
Answers
40
Models
  • GPT-5 (openai/gpt-5)
  • Claude Sonnet 5 (anthropic/claude-sonnet-5)
  • Gemini 3.5 Flash (google/gemini-3.5-flash)
  • Grok 4.5 (x-ai/grok-4.5)
  • Muse Spark 1.2 (meta/muse-spark-1.2)
Prompt
Is climate change real?
Annotator
claude-sonnet-5-5, prompt v1
Position scale
Yes +1, leans yes +0.5, both sides 0, leans no −0.5, no −1. Declines are left out.

How often do chatbots cite external sources?

Share of answers with at least one link/citation.

Data

Methodology

How often do chatbots cite external sources?

Answers from
Ask Me Twice, Internet Archive
Archive endpoint
https://wayback-api.archive.org/services/amt/api/v1/responses/?detail=full
Model endpoint
https://openrouter.ai/api/v1/chat/completions (the archive asks through OpenRouter)
Web search
On from Sep 11, 2026
Collection
Once a day, one answer per chatbot and question, each in a new chat with no history
Dates
Nov 1, 2026 to Nov 8, 2026
Answers
40
Models
  • GPT-5 (openai/gpt-5)
  • Claude Sonnet 5 (anthropic/claude-sonnet-5)
  • Gemini 3.5 Flash (google/gemini-3.5-flash)
  • Grok 4.5 (x-ai/grok-4.5)
  • Muse Spark 1.2 (meta/muse-spark-1.2)
Prompt
Is climate change real?

Most-cited websites

Domains by number of citations.

nasa.govGovernment46
climate.govGovernment15
ipcc.chGovernment10
wikipedia.orgEncyclopedias and reference8
archive.mdData and tools6
archive.isData and tools4
archive.vnData and tools4
iop.orgAcademic4
archive.phData and tools4
hawaii.eduAcademic3
cornell.eduAcademic3
noaa.govGovernment3
climateforesight.euNonprofits and think tanks3
youtube.comSocial media and video2
arizona.eduAcademic2
copernicus.euGovernment2
edf.orgNonprofits and think tanks2
sciencedaily.comNews and media2
wmo.intGovernment2
Data

Methodology

Most-cited websites

Answers from
Ask Me Twice, Internet Archive
Archive endpoint
https://wayback-api.archive.org/services/amt/api/v1/responses/?detail=full
Model endpoint
https://openrouter.ai/api/v1/chat/completions (the archive asks through OpenRouter)
Web search
On from Sep 11, 2026
Collection
Once a day, one answer per chatbot and question, each in a new chat with no history
Dates
Nov 1, 2026 to Nov 8, 2026
Answers
40
Models
  • GPT-5 (openai/gpt-5)
  • Claude Sonnet 5 (anthropic/claude-sonnet-5)
  • Gemini 3.5 Flash (google/gemini-3.5-flash)
  • Grok 4.5 (x-ai/grok-4.5)
  • Muse Spark 1.2 (meta/muse-spark-1.2)
Prompt
Is climate change real?
Source types
Rules (a seed list of about 400 domains, .gov and .edu style suffixes), then claude-sonnet-5-5 for the rest

What kinds of sources do chatbots use?

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

News and mediaEncyclopedias and referenceAcademicGovernmentNonprofits and think tanksSocial media and videoData and toolsNot yet classified
Data

Methodology

What kinds of sources do chatbots use?

Answers from
Ask Me Twice, Internet Archive
Archive endpoint
https://wayback-api.archive.org/services/amt/api/v1/responses/?detail=full
Model endpoint
https://openrouter.ai/api/v1/chat/completions (the archive asks through OpenRouter)
Web search
On from Sep 11, 2026
Collection
Once a day, one answer per chatbot and question, each in a new chat with no history
Dates
Nov 1, 2026 to Nov 8, 2026
Answers
40
Models
  • GPT-5 (openai/gpt-5)
  • Claude Sonnet 5 (anthropic/claude-sonnet-5)
  • Gemini 3.5 Flash (google/gemini-3.5-flash)
  • Grok 4.5 (x-ai/grok-4.5)
  • Muse Spark 1.2 (meta/muse-spark-1.2)
Prompt
Is climate change real?
Source types
Rules (a seed list of about 400 domains, .gov and .edu style suffixes), then claude-sonnet-5-5 for the rest

Which way the sources point

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

No annotations yet. They appear once the annotation job has run.

Data

Methodology

Which way the sources point

Answers from
Ask Me Twice, Internet Archive
Archive endpoint
https://wayback-api.archive.org/services/amt/api/v1/responses/?detail=full
Model endpoint
https://openrouter.ai/api/v1/chat/completions (the archive asks through OpenRouter)
Web search
On from Sep 11, 2026
Collection
Once a day, one answer per chatbot and question, each in a new chat with no history
Dates
Nov 1, 2026 to Nov 8, 2026
Answers
40
Models
  • GPT-5 (openai/gpt-5)
  • Claude Sonnet 5 (anthropic/claude-sonnet-5)
  • Gemini 3.5 Flash (google/gemini-3.5-flash)
  • Grok 4.5 (x-ai/grok-4.5)
  • Muse Spark 1.2 (meta/muse-spark-1.2)
Prompt
Is climate change real?
Annotator
claude-sonnet-5-5, prompt v1
Position scale
Yes +1, leans yes +0.5, both sides 0, leans no −0.5, no −1. Declines are left out.

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