AI Fact Checks
Every claim run past up to 4 frontier AI models. See where they agree, where they don't, and what the NoParrot Score says.
- Fact checks
- 20
- Avg score
- 45/100
- Verified claims
- 10
- Uncertain claims
- 30
- Disputed claims
- 5
Got a claim? Fact-check it across 4 AI models.
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- 78 Score
Are only penicillin G and penicillin V used clinically among natural penicillins?
- Verified
- 2
- Uncertain
- 1
- Disputed
- 0
May 20, 2026
- 70 Score
Is Saturn's average radius about nine times larger than Earth's?
- Verified
- 1
- Uncertain
- 1
- Disputed
- 0
May 20, 2026
- 43 Score
Does stem cell differentiation begin with the formation of the three germ layers during gastrulation?
- Verified
- 1
- Uncertain
- 1
- Disputed
- 1
May 20, 2026
- 25 Score
Is the neutrino named for being electrically neutral and having a very small mass?
- Verified
- 0
- Uncertain
- 1
- Disputed
- 0
May 20, 2026
- 62 Score
Does vaccination prevent 3.5–5 million deaths annually, according to the World Health Organization?
- Verified
- 1
- Uncertain
- 1
- Disputed
- 0
May 20, 2026
- 25 Score
Does Moore's law state that transistor counts double every two years without significant cost increase?
- Verified
- 0
- Uncertain
- 1
- Disputed
- 0
May 20, 2026
- 49 Score
Did quantum mechanics develop from theories addressing issues classical physics couldn’t explain?
- Verified
- 1
- Uncertain
- 2
- Disputed
- 0
May 20, 2026
- 25 Score
Did a 2014 study identify the Mantaro River as the Amazon basin's most distant source?
- Verified
- 0
- Uncertain
- 1
- Disputed
- 0
May 20, 2026
- 55 Score
Can a supernova outshine an entire galaxy at its peak brightness?
- Verified
- 1
- Uncertain
- 1
- Disputed
- 0
May 20, 2026
- 25 Score
Did King John seal the Magna Carta at Runnymede on June 15, 1215?
- Verified
- 0
- Uncertain
- 2
- Disputed
- 0
May 20, 2026