Check Whether AI Added New Facts
Works with ChatGPT · Claude · Copilot · Gemini
You can catch facts an AI rewrite invented.
The problem
AI rewrites sometimes add plausible-sounding facts that are false.
What this skill does
Give the AI your original and its rewrite, and ask it to flag any added or changed facts. AI can insert false but convincing details; verify any facts or numbers in a rewrite yourself.
When to use it
- Use this when you are using an AI rewrite of your text.

Juni’s tip
Juni says: a rewrite should change words, not facts. Check it did not add any.
The prompt
Try it live
Fill in the blanks — your ready-to-use prompt builds as you type.
Weak vs. better
did it change my facts
Compare my original text to this AI rewrite and flag any facts, numbers, or claims it added or changed: original [paste], rewrite [paste].
Why this works
Rewrites can quietly introduce facts you never said.
Practice task
Take a rewrite and your original and ask the AI to compare the facts.
Self-check
- I checked for added or changed facts.
- The rewrite matches my original claims.
Common mistakes to avoid
- Publishing an AI rewrite without checking for invented facts.
- Assuming a rewrite only changed wording, not content.
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