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Ask HN: Why is GPT-4 or Claude-2 so bad at tic-tac-toe?

I was surprised to learn that GPT-4 can't play tic-tac-toe, but thought people who tried just didn't prompt it correctly.

But after trying for 2h to get it work (even with GPT-4V) it seems like a fundamental limitation.

I've found a HN submission [1] where someone used a brute-force prompt to get it to play correctly, but as the top/only comment points out, it's a limited action space and enumerating most of it seems moot.

I was hoping for a more reasonable prompt. After all humans are able learn tic-tac-toe rapidly.

current hypotheses:

1) tic-tac-toe requires "spatial reasoning" and LLMs train on sequences (somehow GPT-4V didn't elevate that constraint)

2) tic-tac-toe requires "search" of future scenarios

Would love to hear what you think/know!

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Previous discussion about T3 and GPT-4: https://news.ycombinator.com/item?id=35216614 (7 months ago)

[1] https://news.ycombinator.com/item?id=37626918

2 points zurfer 3 years ago 7 comments

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