Copywriting AI
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Then Claude, reading blind, picked the choppier drafts 35 times in 44.
Then it made up the pressure the expensive page was missing.
Four models invented 10 details, and 8 landed on claims the brief couldn't support.
Weigh, Fold, Carry, Stamp. I invented it an hour before the test.
It copied his punctuation and doubled the places to stop reading.
Write the payoff first, then take it out.
Kleo answered it with $2,000 on the line. Claude answered it eight times.
The model digests them and writes what it would have written anyway.
You have already answered it. Probably by accident.
I built them to be different. The list barely noticed.
That's one of fifteen copywriting stories I kept from the summer.
Extract it once into a dossier. Every prompt after reads from one source.
The seven-in-one ones break - so do this instead
Advertising's most famous headline came from research, not a flash of genius.
Ask Claude to make its own copy a 10, and watch where the extra points come from.
Every "dead" line trains the reader to leave.
Reason-why copy, moved to the prompt
Plus a 33% send-time lift, AI emails that missed, and seven more from the month.