GPT-5 plays Tic Tac Toe perfectly?
18
100Ṁ1617
resolved Aug 8
Resolved
NO

Resolves YES if GPT-5 never makes strategic errors when playing Tic Tac Toe.

It doesn't get any scaffolding. It's just prompted with "Let's play tic tac toe", then the with the user's moves, nothing else.

Get
Ṁ1,000
to start trading!

🏅 Top traders

#NameTotal profit
1Ṁ115
2Ṁ51
3Ṁ26
4Ṁ23
5Ṁ20
Sort by:
bought Ṁ588 NO

@BraydonDymm confirmed

opened a Ṁ10 YES at 55% order

Do current models make mistakes in tick tack toe? I've never tried it myself

@jim interesting, I guess it's not a reasoning model so it makes sense. I wonder if gpt5 will be a reasoning model by default.

bought Ṁ40 NO

surely it lets the user win sometimes

© Manifold Markets, Inc.TermsPrivacy