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Boris Cherny, creator ofnClaude Code:n"Fable 5 does in a day whatnused to take your team anmonth. Most people will keepnusing it wrong."nBoris ChernynHead of Claude CodenIn 12 minutes he explains whynFable 5 needs less promptingnthan any model before, andnwhy your old detailednprompts now work againstnyou.