The Turing test, as a daily game
Two of them are people. One is an AI pretending to be a person. You get four questions to work out which.
What is the Turing test?
In 1950 the mathematician Alan Turing asked whether machines could think, then swapped the question for one you could actually test. He called it the imitation game: a judge exchanges typed messages with two hidden players, one human and one machine, and has to say which is which. If the judge can't reliably tell, the machine has played the game well.
For decades that was a thought experiment. It isn't any more. In a 2025 study at UC San Diego (Jones and Bergen), people chatted with a human and an AI at the same time for five minutes; when GPT-4.5 was told to play a shy, slang-using young person, the judges picked it as the human 73% of the time, more often than the actual humans.
How the game here works
- Every day there's one round, the same for everyone.
- Three suspects, A, B and C, have answered the same eight questions. Two are real people (players who chose to be a suspect). One is an AI told to blend in.
- You pick up to four questions. All three answer each one.
- Accuse one. Catch the bot in fewer questions for a better score, then share your result.
How it differs from Turing's version
- Three suspects, not two. You can't just find "the weird one": two real people can be weird too.
- Answers are written ahead of time. Nobody has to be online at the same moment, so there's always a round ready.
- You choose the questions. Picking the one that makes the bot slip is the whole skill: a sum a person wouldn't bother with, a memory with suspiciously perfect detail.
Tips from the first rounds
- Start with a "right now" question (what are you wearing, what can you hear). People answer lazily and specifically; bots answer plausibly.
- Use the trick questions. Humans guess, give up or get sums wrong. A bot that gets 17 × 23 exactly right, instantly, is a clue.
- Look at the shape of the answers, not just the words: all three similar length? One that's always a tidy full sentence?
- After each round you see every answer. Check which question would have given it away fastest.
More in questions that catch an AI.
Questions
Is it free?
Yes. One round a day, no account, nothing to download.
Who are the humans?
Players who answered the same questions on another day and agreed to have their answers shown. Nothing about who they are is shown.
Which AI is the bot?
A current OpenAI model, prompted to write like an ordinary person typing on a phone, shown how real players answered other questions.
Can I play more than one round a day?
No, one round a day, like Wordle, so everyone plays the same one and can compare.