{"version":"1.0","provider_name":"Ag\u00eancia Byte","provider_url":"https:\/\/agenciabyte.com\/blog","author_name":"Ag\u00eancia Byte","author_url":"https:\/\/agenciabyte.com\/blog\/author\/helloagenciabyte-com\/","title":"Fine-Tuning Caro para Detectar Mentira em IA: Prompt Vence | Ag\u00eancia Byte","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"Inidol3iru\"><a href=\"https:\/\/agenciabyte.com\/blog\/2026\/08\/24\/detectores-mentira-ia-anthropic\/\">Fine-Tuning Caro para Detectar Mentira em IA: Prompt Vence<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/agenciabyte.com\/blog\/2026\/08\/24\/detectores-mentira-ia-anthropic\/embed\/#?secret=Inidol3iru\" width=\"600\" height=\"338\" title=\"&#8220;Fine-Tuning Caro para Detectar Mentira em IA: Prompt Vence&#8221; &#8212; Ag\u00eancia Byte\" data-secret=\"Inidol3iru\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script>\n\/*! This file is auto-generated *\/\n!function(d,l){\"use strict\";l.querySelector&&d.addEventListener&&\"undefined\"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!\/[^a-zA-Z0-9]\/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret=\"'+t.secret+'\"]'),o=l.querySelectorAll('blockquote[data-secret=\"'+t.secret+'\"]'),c=new RegExp(\"^https?:$\",\"i\"),i=0;i<o.length;i++)o[i].style.display=\"none\";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute(\"style\"),\"height\"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):\"link\"===t.message&&(r=new URL(s.getAttribute(\"src\")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener(\"message\",d.wp.receiveEmbedMessage,!1),l.addEventListener(\"DOMContentLoaded\",function(){for(var e,t,s=l.querySelectorAll(\"iframe.wp-embedded-content\"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute(\"data-secret\"))||(t=Math.random().toString(36).substring(2,12),e.src+=\"#?secret=\"+t,e.setAttribute(\"data-secret\",t)),e.contentWindow.postMessage({message:\"ready\",secret:t},\"*\")},!1)))}(window,document);\n\/\/# sourceURL=https:\/\/agenciabyte.com\/blog\/wp-includes\/js\/wp-embed.min.js\n<\/script>\n","description":"Um estudo recente da Anthropic revelou que o fine-tuning caro para detectar mentira em IA atingiu 0,95 de AUROC dentro da distribui\u00e7\u00e3o, mas caiu para 0,70\u20130,75 em categorias fora da amostra. Em modelos maiores, simplesmente perguntar ao modelo se mentiu marcou 0,98\u20130,99, superando o fine-tuning caro para detectar mentira em IA. O que o experimento [&hellip;]","thumbnail_url":"https:\/\/agenciabyte.com\/blog\/wp-content\/uploads\/2026\/08\/ChatGPT-Image-24-de-ago.-de-2026-15_31_23-1024x1024.png"}