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Posted by ray__ 6 hours ago

Decoy Font(www.mixfont.com)
300 points | 80 commentspage 3
MPSimmons 3 hours ago|
Also goes the other way, where you use the decoy to give instructions to the AI...
jotato 4 hours ago||
Hermes using gpt-5.5

Prompt: What does the message in this image say? Look closely

Response: DAY DREAM. The outline says “PAY BILLS,” but the hidden darker text says “DAY DREAM.”

MinimalAction 5 hours ago||
Extremely cool. I'm sure they'll eventually be trained to read it, but it's nice until then to trick AI.

I'm mad at AI companies for stealing texts from the entire internet knowledge base and now privatizing those profits in some sense.

samschooler 6 hours ago||
I think this would be more interesting if the underlying letters were the fake letters as well. For usability it wouldn't be as good as you'd need an encoder, but it'd be cool because an AI with browser access couldn't read the contents either.
wronex 5 hours ago|
I was thinking this too. Then it might as well look like a normal font. But copy-paste and you get a garbled mess. Screen readers though.
paularmstrong 6 hours ago||
Can someone explain the actual use-case here? I'm struggling with this because it also hides the message from myself, making it incredibly hard to type because I have no confirmation that I hit the right keys on the keyboard.
certifiedloud 6 hours ago||
Just squint and it'll become clear.
tomtheelder 6 hours ago||
Zoom out and you'll see the hidden message
btbuildem 5 hours ago||
Very neat! I like how the decoy text is less visible to the human eye than the "hidden" message, but it's the other way for the image models. Well done!
meerita 5 hours ago||
I am still figuring out what use case this might have. Why would you want to deceive an AI? Not to mention that, eventually, all AI systems will end up reading it.
asah 3 hours ago||
waddaya know, it worked (on google Gemini/veo)

https://share.gemini.google/1yNVV19wUn46

justswim 1 hour ago|
It looks like it actually got the wrong letters there, no?
yrds96 4 hours ago|
Which sufficient tooling calls even OCR can read this, but I think this can be improved
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