{"id":3167,"date":"2023-07-25T19:03:13","date_gmt":"2023-07-25T19:03:13","guid":{"rendered":"https:\/\/dailyai.com\/?p=3167"},"modified":"2023-07-26T11:22:46","modified_gmt":"2023-07-26T11:22:46","slug":"openai-closes-down-its-ai-detection-tool-due-to-ongoing-inaccuracies","status":"publish","type":"post","link":"https:\/\/dailyai.com\/pt\/2023\/07\/openai-closes-down-its-ai-detection-tool-due-to-ongoing-inaccuracies\/","title":{"rendered":"A OpenAI encerra a sua ferramenta de dete\u00e7\u00e3o de IA devido a imprecis\u00f5es cont\u00ednuas"},"content":{"rendered":"<p><b>A OpenAI descontinuou a sua ferramenta de dete\u00e7\u00e3o de texto por IA devido a uma dececionante \"baixa taxa de precis\u00e3o\" na distin\u00e7\u00e3o entre o texto criado pelo ChatGPT e o texto escrito por humanos.<\/b><\/p>\n<p><span style=\"font-weight: 400;\">A ferramenta foi tornada p\u00fablica em janeiro, mas agora apresenta um erro de \"p\u00e1gina n\u00e3o encontrada\" quando se tenta aceder \u00e0 mesma <a href=\"https:\/\/openai.com\/blog\/new-ai-classifier-for-indicating-ai-written-text\">atrav\u00e9s deste blogue<\/a>. <\/span><\/p>\n<p><span style=\"font-weight: 400;\">A OpenAI tenciona reconstruir uma ferramenta melhor com o tempo, afirmando: \"Estamos a trabalhar para incorporar o feedback e estamos atualmente a investigar t\u00e9cnicas de proveni\u00eancia mais eficazes para o texto\".\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Al\u00e9m disso, a OpenAI est\u00e1 a investigar a forma de criar detectores de IA para conte\u00fados \u00e1udio e visuais, como as imagens geradas com o DALL-E. J\u00e1 existem ferramentas de dete\u00e7\u00e3o de imagens com IA, mas revelaram-se f\u00e1ceis de enganar<\/span><span style=\"font-weight: 400;\"> para rotular conte\u00fados como \"reais\", manipulando imagens e <a href=\"https:\/\/dailyai.com\/pt\/2023\/07\/ai-image-detectors-can-be-tricked-by-adding-texture-to-images\/\">adicionar artefactos como o ru\u00eddo<\/a>.\u00a0<\/span><\/p>\n<p>Este facto coincide com o quadro volunt\u00e1rio para a IA anunciado pela <a href=\"https:\/\/dailyai.com\/pt\/2023\/07\/the-white-house-announces-voluntary-cooperation-on-ai-development\/\">Casa Branca na semana passada<\/a>que a OpenAI subscreveu juntamente com outras seis empresas l\u00edderes no dom\u00ednio da IA. O quadro delineia compromissos para reprimir conte\u00fados falsos profundos potencialmente prejudiciais, e os detectores de IA ser\u00e3o uma componente fundamental para o conseguir.<\/p>\n<p><span style=\"font-weight: 400;\">A OpenAI introduziu a ferramenta de dete\u00e7\u00e3o de texto em janeiro de 2023 para estabelecer um m\u00e9todo oficial de an\u00e1lise de conte\u00fados gerados por IA.<\/span><\/p>\n<p><span style=\"font-weight: 400;\"> No mesmo m\u00eas, a OpenAI, a Universidade de Stanford e a Universidade de Georgetown <\/span><a href=\"https:\/\/openai.com\/research\/forecasting-misuse\"><span style=\"font-weight: 400;\">publicou um artigo<\/span><\/a><span style=\"font-weight: 400;\"> sobre a desinforma\u00e7\u00e3o gerada por IA, salientando a necessidade de ferramentas que distingam com precis\u00e3o o texto escrito por humanos do texto gerado por IA.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\"Os modelos lingu\u00edsticos generativos melhoraram drasticamente e podem agora produzir resultados de texto realistas que s\u00e3o dif\u00edceis de distinguir do conte\u00fado escrito por humanos... Para os agentes maliciosos, estes modelos lingu\u00edsticos trazem a promessa de automatizar a cria\u00e7\u00e3o de texto convincente e enganador\", argumenta o documento. <\/span><\/p>\n<p><span style=\"font-weight: 400;\">As potenciais \"amea\u00e7as\" v\u00e3o desde a utiliza\u00e7\u00e3o abusiva da IA por parte dos estudantes para os ajudar a copiar nos trabalhos at\u00e9 cen\u00e1rios mais extremos como a interfer\u00eancia nas elei\u00e7\u00f5es e muito mais.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">A ferramenta da OpenAI apenas classificou corretamente 26% de texto gerado por IA como \"provavelmente escrito por IA\" e identificou falsamente texto composto por humanos como escrito por IA em 9% das vezes.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Foi particularmente ineficaz na an\u00e1lise de passagens de texto com menos de 1.000 caracteres e escritas em l\u00ednguas que n\u00e3o o ingl\u00eas.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">A OpenAI desactivou o acesso \u00e0 ferramenta em 20 de julho, sem qualquer indica\u00e7\u00e3o clara de quando ser\u00e1 lan\u00e7ada uma nova vers\u00e3o.\u00a0<\/span><\/p>\n<h2><span style=\"font-weight: 400;\">As ferramentas de dete\u00e7\u00e3o de IA enfrentam problemas permanentes<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Num <\/span><a href=\"https:\/\/dailyai.com\/pt\/2023\/07\/ai-detection-programs-discriminate-against-non-native-english-speakers-study-reveals\/\"><span style=\"font-weight: 400;\">estudo recente de Stanford<\/span><\/a><span style=\"font-weight: 400;\">As ferramentas de dete\u00e7\u00e3o de IA revelaram-se ineficazes quando aplicadas a textos escritos por falantes nativos n\u00e3o ingleses.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Especificamente, as ferramentas de dete\u00e7\u00e3o de IA rotularam incorretamente estes textos como \"escritos por IA\", provavelmente devido a frases e sintaxe padr\u00e3o n\u00e3o nativas. Este facto pode ser prejudicial se for implementado em ambientes educativos - os textos podem ser falsamente assinalados como tendo sido escritos por IA, apesar de serem aut\u00eanticos.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Ironicamente, a equipa de investiga\u00e7\u00e3o podia muitas vezes enganar os detectores de IA para que voltassem a classificar os mesmos textos como \"escritos por humanos\", introduzindo-os no ChatGPT e pedindo-lhe que reescrevesse o texto com frases mais complexas. Assim, os estudantes podiam recorrer \u00e0 IA para evitar a sua dete\u00e7\u00e3o.\u00a0<\/span><\/p>\n<p>\u00c0 medida que os conte\u00fados gerados por IA se tornam mais sofisticados, a precis\u00e3o dos detectores de IA tornar-se-\u00e1 cada vez mais problem\u00e1tica.<\/p>","protected":false},"excerpt":{"rendered":"<p>A OpenAI descontinuou a sua ferramenta de dete\u00e7\u00e3o de texto por IA devido a uma dececionante \"baixa taxa de precis\u00e3o\" na distin\u00e7\u00e3o entre texto criado pelo ChatGPT e texto escrito por humanos. A ferramenta foi tornada p\u00fablica em janeiro, mas agora apresenta um erro de \"p\u00e1gina n\u00e3o encontrada\" quando se tenta aceder a ela atrav\u00e9s deste blogue. A OpenAI pretende reconstruir uma ferramenta melhor com o tempo, afirmando: \"Estamos a trabalhar para incorporar o feedback e estamos atualmente a pesquisar t\u00e9cnicas de proveni\u00eancia mais eficazes para o texto\".  Al\u00e9m disso, a OpenAI est\u00e1 a investigar a forma de criar detectores de IA para conte\u00fados \u00e1udio e visuais, como as imagens geradas com o DALL-E. As ferramentas de dete\u00e7\u00e3o de imagens com IA s\u00e3o<\/p>","protected":false},"author":2,"featured_media":3168,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[83],"tags":[115,207,93],"class_list":["post-3167","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-product","tag-chatgpt","tag-llm","tag-openai"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>OpenAI closes down its AI-detection tool due to ongoing inaccuracies | DailyAI<\/title>\n<meta name=\"description\" content=\"OpenAI has discontinued its AI text-detection tool due to a disappointingly &quot;low rate of accuracy&quot; in discerning text composed by ChatGPT from human-written text.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, 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