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the coolest use case i've seen is this https://github.com/ddupont808/GPT-4V-Act

I feel like this is the beginning of the end for all captchas

Image based or any kind of visual captchas will never be extremely effective. I think we will see more of PoW captchas in the upcoming years (just like cloudflare's turnstile captcha)

I'm not suer about that, can't you give GPT4 a math problem in an image already and have it solve it correctly most of the time?

And these haven't even been trained to defeat captchas/logic problem captchas yet, if it was fine tuned on the general pattern of them I imagine any form of captcha is bust.

Not sure about PoW. What about people with slower phones etc?

I don't see how an older smartphone could meaningfully outcompute a spamming infra.

Twitter / X has a very interesting captcha: you get to see 10 objects that have weird colors and are slightly deformed, and then you have to match them (1 at a time) with another row that has the same objects but seen from a different angle.

Of course eventually this will be defeated too, but for now it seems to work pretty well.

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