{"id":89481,"date":"2025-02-28T12:06:55","date_gmt":"2025-02-28T12:06:55","guid":{"rendered":"https:\/\/investx.fr\/pt\/?p=89481"},"modified":"2025-02-28T12:06:56","modified_gmt":"2025-02-28T12:06:56","slug":"sam-altman-gpt-4-5-5","status":"publish","type":"post","link":"https:\/\/preprod.investx.fr\/pt\/noticias-cripto\/sam-altman-gpt-4-5-5\/","title":{"rendered":"Sam Altman revela GPT-4.5 e GPT-5 : O Guia Essencial"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\" class=\"wp-block-heading\" id=\"evolucao-do-gpt-4-5-avancos-significativos-para-a-ia\"><strong>Evolu\u00e7\u00e3o do GPT-4.5 : Avan\u00e7os Significativos para a IA<\/strong><\/h2>\n\n\n\n<p>Recentemente, a OpenAI revelou a vers\u00e3o preliminar do GPT-4.5, uma nova itera\u00e7\u00e3o do seu modelo de linguagem OpenAI GPT (Generative Pre-trained Transformer) que se concentra principalmente na melhoria do pr\u00e9-treino n\u00e3o supervisionado. O objetivo principal \u00e9 refor\u00e7ar a confiabilidade das respostas e aprimorar a compreens\u00e3o das inten\u00e7\u00f5es e emo\u00e7\u00f5es dos utilizadores.<\/p>\n\n\n\n<p>Para al\u00e9m do GPT-4.5, fontes da Microsoft indicam que o modelo ainda mais poderoso, o GPT-5, dever\u00e1 ser lan\u00e7ado no final de maio. O CEO da OpenAI, Sam Altman, descreveu o <strong>GPT-5<\/strong> como <em>&#8220;um sistema que incorpora muitas das nossas tecnologias, incluindo o3&#8221;<\/em>, em refer\u00eancia ao \u00faltimo modelo de racioc\u00ednio da empresa.<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-rich is-provider-twitter wp-block-embed-twitter\"><div class=\"wp-block-embed__wrapper\">\n<blockquote class=\"twitter-tweet\" data-width=\"500\" data-dnt=\"true\"><p lang=\"en\" dir=\"ltr\">OpenAI\u2018s GPT-5 Roadmap <a href=\"https:\/\/t.co\/6FcnfHbaTH\">pic.twitter.com\/6FcnfHbaTH<\/a><\/p>&mdash; Wes Roth (@WesRothMoney) <a href=\"https:\/\/twitter.com\/WesRothMoney\/status\/1891231080516035035?ref_src=twsrc%5Etfw\">February 16, 2025<\/a><\/blockquote><script async src=\"https:\/\/platform.twitter.com\/widgets.js\" charset=\"utf-8\"><\/script>\n<\/div><\/figure>\n\n\n\n<p>O \u00faltimo revelou a <strong>roadmap do mais recente GPT.<\/strong> Esta poder\u00e1 desencadear um <em>\u201cnovo paradigma dos LLMs\u201d<\/em>. Sam Altman escreveu em seu \u00faltimo post no X que \u201cos assinantes Plus poder\u00e3o executar o GPT-5 com um n\u00edvel de intelig\u00eancia mais elevado, e os assinantes Pro poder\u00e3o executar o GPT-5 com um n\u00edvel de intelig\u00eancia ainda mais elevado.\u201d<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" class=\"wp-block-heading\" id=\"capacidades-ineditas\"><strong>Capacidades In\u00e9ditas<\/strong><\/h2>\n\n\n\n<p>Os testes preliminares destacaram melhorias significativas em v\u00e1rias \u00e1reas-chave:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Identifica\u00e7\u00e3o de padr\u00f5es complexos :<\/strong> O GPT-4.5 demonstra uma maior capacidade de detetar padr\u00f5es complexos e estabelecer conex\u00f5es sofisticadas.<\/li>\n\n\n\n<li><strong>Gera\u00e7\u00e3o de ideias criativas :<\/strong> O modelo destaca-se pela capacidade de gerar ideias originais e inovadoras.<\/li>\n\n\n\n<li><strong>Redu\u00e7\u00e3o de alucina\u00e7\u00f5es :<\/strong> Observou-se uma diminui\u00e7\u00e3o significativa das alucina\u00e7\u00f5es, fen\u00f3meno comum nas vers\u00f5es anteriores.<\/li>\n<\/ul>\n\n\n\n<p>Estes avan\u00e7os resultam numa intera\u00e7\u00e3o mais natural e flu\u00edda com os utilizadores, proporcionando uma experi\u00eancia enriquecedora.<\/p>\n\n\n\n<p>Para al\u00e9m das melhorias gerais, o GPT-4.5 destaca-se por capacidades espec\u00edficas:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Precis\u00e3o aumentada nas respostas factuais:<\/strong> O modelo exibe uma precis\u00e3o de 62,5% no \u00edndice SimpleQA, em compara\u00e7\u00e3o com os 38,2% do GPT-4o.<\/li>\n\n\n\n<li><strong>Melhor considera\u00e7\u00e3o do contexto emocional:<\/strong> O GPT-4.5 demonstra uma maior intelig\u00eancia emocional (EQ), permitindo uma compreens\u00e3o mais refinada das nuances impl\u00edcitas.<\/li>\n\n\n\n<li><strong>Taxa de alucina\u00e7\u00f5es reduzida:<\/strong> A taxa de alucina\u00e7\u00f5es foi reduzida para 37,1%, uma melhoria significativa em rela\u00e7\u00e3o \u00e0s vers\u00f5es anteriores.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" class=\"wp-block-heading\" id=\"uma-corrida-e-uma-batalha-pela-ia\">Uma Corrida e uma Batalha pela IA<\/h2>\n\n\n\n<p>Esta corrida pela IA de ponta surge num momento em que a concorr\u00eancia se intensifica no mercado, com destaque para o recente lan\u00e7amento do <strong><a href=\"https:\/\/preprod.investx.fr\/pt\/noticias-cripto\/ia-deepseek-faz-nvidia-criptomoedas-ia-cairem\/\">DeepSeek<\/a><\/strong>, um modelo de IA de origem chinesa open source desenvolvido a um custo muito inferior ao do ChatGPT. Este evento foi comparado a um <em><strong>&#8220;momento Sputnik da IA&#8221;<\/strong><\/em> pelo famoso investidor Marc Andreessen, real\u00e7ando as implica\u00e7\u00f5es geopol\u00edticas desta batalha tecnol\u00f3gica entre os <strong>EUA e a China<\/strong>.<\/p>\n\n\n\n<p>Apesar destes desafios, a parceria entre a Microsoft e a OpenAI continua a fortalecer-se. A empresa de Redmond anunciou recentemente um <em>&#8220;novo compromisso significativo na Azure&#8221;<\/em> para apoiar todos os produtos da OpenAI, incluindo o treino dos seus modelos de ponta.<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-rich is-provider-twitter wp-block-embed-twitter\"><div class=\"wp-block-embed__wrapper\">\n<blockquote class=\"twitter-tweet\" data-width=\"500\" data-dnt=\"true\"><p lang=\"en\" dir=\"ltr\">Major upgrades for Azure AI Foundry today: <br><br>GPT-4.5 is now in preview, demonstrating a big step forward in both pre-training and post-training scale. <br><br>Plus, new models from Cohere, Stability, and Microsoft. As AI becomes core to building every product, we\u2019re also rolling out\u2026 <a href=\"https:\/\/t.co\/yZPxFEhTn0\">pic.twitter.com\/yZPxFEhTn0<\/a><\/p>&mdash; Satya Nadella (@satyanadella) <a href=\"https:\/\/twitter.com\/satyanadella\/status\/1895212396383478194?ref_src=twsrc%5Etfw\">February 27, 2025<\/a><\/blockquote><script async src=\"https:\/\/platform.twitter.com\/widgets.js\" charset=\"utf-8\"><\/script>\n<\/div><\/figure>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u201cO GPT-4.5 est\u00e1 agora em early access, demonstrando um grande avan\u00e7o em escala pr\u00e9-treino e p\u00f3s-treino.<\/p>\n\n\n\n<p>Al\u00e9m disso, novos modelos da Cohere, Stability e Microsoft. \u00c0 medida que a IA se torna essencial na cria\u00e7\u00e3o de cada produto, estamos tamb\u00e9m a implementar novas funcionalidades de destila\u00e7\u00e3o, fine-tuning e network isolation para o nosso servi\u00e7o de agente. O application server para a <a href=\"https:\/\/preprod.investx.fr\/pt\/noticias-cripto\/ia-impulsionara-blockchain\/\">IA<\/a> est\u00e1 aqui!\u201d escreve o CEO da Microsoft, Satya Nadella no X.<\/p>\n<\/blockquote>\n\n\n\n<p>A intensifica\u00e7\u00e3o da colabora\u00e7\u00e3o entre a Microsoft e a OpenAI reflete a import\u00e2ncia estrat\u00e9gica de <strong>investir em IA<\/strong>. Com a iminente chegada de modelos GPT, os principais intervenientes neste setor est\u00e3o a posicionar-se para moldar o futuro da intelig\u00eancia artificial, um enfoque crucial tamb\u00e9m para a ind\u00fastria de <strong><a href=\"https:\/\/preprod.investx.fr\/pt\/investir-criptomoedas\/\">criptomoedas<\/a><\/strong> e as <a href=\"https:\/\/preprod.investx.fr\/pt\/noticias-cripto\/cripto-inteligencia-artificial-ia-futuro-trading-em-2025\/\">criptomoedas IA.<\/a><\/p>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-16018d1d wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/bonus.bitget.com\/SEO\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">Compre as suas criptomoedas IA na Bitget ainda hoje<\/a><\/div>\n<\/div>\n\n\n\n<p>Sobre o mesmo assunto :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/preprod.investx.fr\/pt\/noticias-cripto\/anthropic-revoluciona-ia-claude-37-sonnet\/\">Anthropic revoluciona o racioc\u00ednio h\u00edbrido com Claude 3.7 Sonnet \u2013 Descubra as vantagens !<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/preprod.investx.fr\/pt\/noticias-cripto\/indice-fear-greed-extremo-oportunidade-crash\/\">\u00cdndice de Sentimento em Medo Extremo : Oportunidade de Compra ou Crash Iminente?<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/preprod.investx.fr\/pt\/noticias-cripto\/preco-bitcoin-btc-analise-abaixo-analise\/\">At\u00e9 onde pode cair o pre\u00e7o do Bitcoin (BTC) \u2013 An\u00e1lise<\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>A alian\u00e7a entre a Microsoft e a OpenAI intensifica-se com a hospedagem das \u00faltimas vers\u00f5es do GPT, modelos de linguagem inovadores que moldar\u00e3o o futuro da IA. As implica\u00e7\u00f5es dessa colabora\u00e7\u00e3o para a ind\u00fastria crypto e seus desafios. Vamos analisar em detalhe.<\/p>\n","protected":false},"author":32,"featured_media":89480,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_yoast_wpseo_focuskw":"gpt","_yoast_wpseo_title":"Sam Altman anuncia GPT-4.5 e GPT-5 !","_yoast_wpseo_metadesc":"A Microsoft est\u00e1 prestes a incorporar os mais recentes modelos de linguagem da OpenAI, o GPT-4.5 e o GPT-5 : Impacto dessas atualiza\u00e7\u00f5es","footnotes":"","faq_titre":"","questions_frequentes":"","custom_permalink":""},"categories":[51,6],"tags":[],"class_list":["post-89481","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ia-noticias","category-noticias-cripto"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Sam Altman anuncia GPT-4.5 e GPT-5 !<\/title>\n<meta name=\"description\" content=\"A Microsoft est\u00e1 prestes a incorporar os mais recentes modelos de linguagem da OpenAI, o GPT-4.5 e o GPT-5 : Impacto dessas atualiza\u00e7\u00f5es\" \/>\n<meta name=\"robots\" content=\"noindex, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Sam Altman anuncia GPT-4.5 e GPT-5 !\" \/>\n<meta property=\"og:description\" content=\"A Microsoft est\u00e1 prestes a incorporar os mais recentes modelos de linguagem da OpenAI, o GPT-4.5 e o GPT-5 : Impacto dessas atualiza\u00e7\u00f5es\" \/>\n<meta property=\"og:site_name\" content=\"InvestX \u2013 Not\u00edcias Cripto, Guia de Trading, An\u00e1lises de Pre\u00e7os &amp; 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