Do two articles, reports or videos appear to say different things?

Choose two sources and record each title, publisher and date. Paste only the relevant excerpts and label them Source A and Source B. Use the prompt below to make a comparison table. Open both originals and confirm every quoted claim before using the comparison. Before you use it: Confirm that both sources discuss the same place, period and measurement. A neat table can still hide an unfair comparison.

Compare two sources that disagree, with AI

Quick answer

Write down each source’s title, publisher and date. Paste only the relevant excerpts, labelled Source A and Source B, and ask the AI for a table of what each one claims, where they agree and where they differ. Check that both cover the same place, period and measurement, then confirm every claim in the original before you quote it.

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What to do

Choose two sources and record each title, publisher and date.
Paste only the relevant excerpts and label them Source A and Source B.
Use the prompt below to make a comparison table.
Open both originals and confirm every quoted claim before using the comparison.

Try this prompt

Copy the prompt into ChatGPT, Claude or Gemini. Replace any text in brackets, then send it.

Compare Source A and Source B while keeping their claims, evidence and uncertainty separate.

QUESTION/TOPIC
[WHAT I AM COMPARING]

SOURCE A
Title/issuer/date: [FACTS]
Text/excerpt: [PASTE]

SOURCE B
Title/issuer/date: [FACTS]
Text/excerpt: [PASTE]

METHOD
For each source separately extract:
- Main claim(s)
- Numbers/dates/population/scope
- Evidence or basis stated
- Conditions/qualifiers
- Uncertainty/limitations stated

THEN COMPARE
1. Claims both sources actually make.
2. Claims only A makes.
3. Claims only B makes.
4. Direct agreements.
5. Direct contradictions.
6. Apparent differences caused by different dates, definitions, populations, metrics or scope.
7. Questions neither source resolves.

RULES
- Never transfer a fact, number or qualifier from one source to the other.
- Do not call sources contradictory when they discuss different populations/time periods/definitions.
- Preserve cautious wording such as “may,” “estimate,” “reported,” or “up to.”
- Do not invent missing methodology or motives.
- If I supplied excerpts rather than complete sources, state that limitation.

OUTPUT
Use a provenance table where every claim has a Source A, Source B, Both or Neither label.

Finish with a contamination check: identify any sentence that combines facts from A and B in a way neither source itself supports, then rewrite it.

See a sample result

Illustrative example. Your answer may differ.

Source A says 120 people registered. Source B says 90 attended. Comparison: These figures measure different things. Registration and attendance should not be treated as the same number.

Before you use it: Confirm that both sources discuss the same place, period and measurement. A neat table can still hide an unfair comparison.

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