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Man or machine?

Every round below was answered twice: once by a real person, once by a language model built from a profile of how that person actually talks. Same question, no edits. Pick the machine.

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Ask something

Pick a person and ask them anything. The model answers straight away; the human gets your question in their queue and answers it whenever they next look. Once both have replied, the round appears for everyone to guess.

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The model replies in about 15–40 seconds. Keep the tab open.

Scoreboard

How often the machine passes. A high fool rate means the persona is convincing — or that its human gave themselves away.

PersonRoundsGuesses Fooled
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“Fooled” = the share of guesses that picked the human as the machine. 50% is a perfect coin flip, which is the point at which the imitation is indistinguishable.