{"id":2746,"date":"2023-07-19T21:10:22","date_gmt":"2023-07-19T21:10:22","guid":{"rendered":"https:\/\/dailyai.com\/?p=2746"},"modified":"2023-07-19T21:38:57","modified_gmt":"2023-07-19T21:38:57","slug":"meta-plays-down-the-potential-risks-of-its-new-open-source-model-llama-2","status":"publish","type":"post","link":"https:\/\/dailyai.com\/pt\/2023\/07\/meta-plays-down-the-potential-risks-of-its-new-open-source-model-llama-2\/","title":{"rendered":"A Meta minimiza os riscos potenciais do seu novo modelo de c\u00f3digo aberto Llama 2"},"content":{"rendered":"

Apesar das preocupa\u00e7\u00f5es crescentes em torno da IA, o diretor de assuntos globais e comunica\u00e7\u00f5es do Meta, Sir Nick Clegg, defende que a tecnologia \u00e9 atualmente demasiado \"est\u00fapida\" para representar um tal perigo.\u00a0<\/b><\/p>\n

Este facto coincide com o <\/span>revela\u00e7\u00e3o<\/span><\/a> do novo modelo de linguagem de grande dimens\u00e3o (LLM) da Meta, LLama 2.\u00a0<\/span><\/p>\n

Sir Nick - um antigo pol\u00edtico brit\u00e2nico - disse no programa Today da BBC Radio 4: \"Penso que muitos dos avisos existenciais est\u00e3o relacionados com modelos que n\u00e3o existem atualmente, os chamados modelos de IA superinteligentes e superpoderosos - a vis\u00e3o em que a IA desenvolve uma autonomia e uma ag\u00eancia por si pr\u00f3pria, em que pode pensar por si pr\u00f3pria e reproduzir-se. Os modelos que estamos a disponibilizar em open-sourcing est\u00e3o muito, muito, muito aqu\u00e9m disso. De facto, em muitos aspectos, s\u00e3o bastante est\u00fapidos\".<\/span><\/p>\n

O chatbot de IA Llama, um projeto de c\u00f3digo aberto da Meta, permite que indiv\u00edduos e organiza\u00e7\u00f5es afinem e optimizem o modelo \u00e0 vontade, incluindo o treino com os seus pr\u00f3prios dados internos. <\/span><\/p>\n

Isto poder\u00e1 prejudicar empresas rivais, como a OpenAI, que cobram \u00e0s empresas pela utiliza\u00e7\u00e3o das suas IA.\u00a0<\/span><\/p>\n

Llama 2 \u00e9 um s\u00e9rio concorrente dos modelos de IA propriet\u00e1rios<\/span><\/h2>\n

O Meta's Llama 2 ser\u00e1 disponibilizado no \u00e2mbito de uma colabora\u00e7\u00e3o com a Microsoft.\u00a0<\/span><\/p>\n

Este facto \u00e9 interessante, tendo em conta o grande investimento da Microsoft na OpenAI, uma das rivais da Llama, a ChatGPT. O investimento e a investiga\u00e7\u00e3o nas grandes tecnologias est\u00e3o completamente interligados, com os concorrentes a partilharem conhecimentos e recursos.\u00a0<\/span><\/p>\n

\u00c9 uma situa\u00e7\u00e3o bizarra - a Microsoft, o maior apoiante da OpenAI, afirma <\/span>n\u00e3o estar no circuito<\/span><\/a> com as estrat\u00e9gias da OpenAI, enquanto a OpenAI est\u00e1 a colaborar abertamente com alguns dos rivais da Microsoft.\u00a0<\/span><\/p>\n

O primeiro LLM do Meta, LLaMA, foi divulgado ao p\u00fablico atrav\u00e9s do 4Chan. Quando o p\u00fablico p\u00f4s as m\u00e3os no modelo, as comunidades come\u00e7aram a afin\u00e1-lo e a optimiz\u00e1-lo, incluindo o seu emagrecimento para ser implementado num MacBook, num smartphone e at\u00e9 num Raspberry PI.\u00a0<\/span><\/p>\n

H\u00e1 quem argumente que empresas como a OpenAI est\u00e3o a tentar obter regulamenta\u00e7\u00e3o, pois sabem que isso ir\u00e1 <\/span>prejudicar a comunidade de c\u00f3digo aberto<\/span><\/a>que emergiu como uma importante for\u00e7a disruptiva no sector da IA.\u00a0<\/span><\/p>\n

Apesar dos receios de que a IA de c\u00f3digo aberto possa expor-se \u00e0 utiliza\u00e7\u00e3o indevida por agentes nefastos, a Meta insiste que a sua IA n\u00e3o ser\u00e1 utilizada para promover actividades prejudiciais.\u00a0<\/span><\/p>\n

Quando questionado sobre os poss\u00edveis perigos destes modelos, Sir Nick afirmou que \"n\u00e3o podem construir uma bomba nuclear\".\u00a0<\/span><\/p>\n

Mark Zuckerberg defendeu ainda que os modelos de c\u00f3digo aberto podem aumentar a seguran\u00e7a atrav\u00e9s de \"uma maior prote\u00e7\u00e3o e seguran\u00e7a, porque quando o software \u00e9 aberto, mais pessoas podem examin\u00e1-lo\".<\/span><\/p>\n

Os termos de utiliza\u00e7\u00e3o do Meta pro\u00edbem especificamente a utiliza\u00e7\u00e3o do Llama para promover a viol\u00eancia, criar v\u00edrus inform\u00e1ticos, construir armas, desenvolver tecnologia nuclear, espalhar spam, promover discursos de \u00f3dio ou partilhar conte\u00fados de abuso de crian\u00e7as.\u00a0<\/span><\/p>\n

No entanto, estas s\u00e3o meras condi\u00e7\u00f5es para descarregar o modelo. C\u00f3digo aberto \u00e9 c\u00f3digo aberto, e o p\u00fablico acabar\u00e1 por fazer o que quiser com o Llama 2.\u00a0<\/span><\/p>\n

De acordo com Sir Nick, a decis\u00e3o da Meta de abrir a sua tecnologia n\u00e3o \u00e9 invulgar. N\u00e3o \u00e9 como se estiv\u00e9ssemos numa encruzilhada em que as empresas podem optar por abrir ou n\u00e3o o c\u00f3digo fonte. Os modelos j\u00e1 est\u00e3o a ser abertos a toda a hora\".<\/span><\/p>\n

Afirmou tamb\u00e9m que as ferramentas de IA actuais n\u00e3o s\u00e3o t\u00e3o avan\u00e7adas como muitas vezes s\u00e3o retratadas, descrevendo as IA generativas como o ChatGPT como sendo capazes de \"adivinhar a grande velocidade\" mas n\u00e3o t\u00eam \"qualquer intelig\u00eancia aut\u00f3noma inata\".<\/span><\/p>\n

O que a comunidade de IA conseguir fazer com a Llama 2 ser\u00e1 objeto de uma observa\u00e7\u00e3o interessante.\u00a0<\/span><\/p>","protected":false},"excerpt":{"rendered":"

Apesar das crescentes preocupa\u00e7\u00f5es em torno da IA, o diretor de assuntos globais e comunica\u00e7\u00f5es da Meta, Sir Nick Clegg, argumenta que a tecnologia \u00e9 atualmente demasiado \"est\u00fapida\" para representar um tal perigo. Esta afirma\u00e7\u00e3o coincide com a revela\u00e7\u00e3o do novo modelo de linguagem de grande dimens\u00e3o (LLM) da Meta, o LLama 2. Penso que muitos dos avisos existenciais est\u00e3o relacionados com modelos que n\u00e3o existem atualmente, os chamados modelos de IA superinteligentes e superpoderosos - a vis\u00e3o em que a IA desenvolve uma autonomia e uma ag\u00eancia pr\u00f3pria, em que pode pensar por si pr\u00f3pria e reproduzir-se. A vis\u00e3o<\/p>","protected":false},"author":2,"featured_media":2747,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[84],"tags":[107,236,207,131,110],"class_list":["post-2746","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-industry","tag-generative-ai","tag-llama","tag-llm","tag-meta","tag-open-source"],"yoast_head":"\nMeta plays down the potential risks of its new open-source model Llama 2 | DailyAI<\/title>\n<meta name=\"description\" content=\"Despite mounting concerns surrounding AI, Meta's head of global affairs and communications, Sir Nick Clegg, argues that the technology is currently too "stupid" to pose such a danger.\u00a0\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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