{"id":6495,"date":"2025-07-11T02:02:40","date_gmt":"2025-07-11T02:02:40","guid":{"rendered":"https:\/\/www.myshirtai.com\/archives\/6495"},"modified":"2025-07-11T02:02:40","modified_gmt":"2025-07-11T02:02:40","slug":"grok-4%ef%bc%9a%e9%a9%ac%e6%96%af%e5%85%8b20%e4%b8%87gpu%e6%89%93%e9%80%a0%e7%9a%84%e6%9c%80%e8%81%aa%e6%98%8eai%e6%a8%a1%e5%9e%8b","status":"publish","type":"post","link":"https:\/\/www.myshirtai.com\/pt\/archives\/6495","title":{"rendered":"Grok 4: O modelo de IA \"mais inteligente\" de Musk constru\u00eddo com 200.000 GPUs"},"content":{"rendered":"

A 10 de julho, hora de Pequim, ap\u00f3s uma hora de espera pela aten\u00e7\u00e3o do mundo, Musk revelou finalmente o mist\u00e9rio da mais recente obra-prima da xAI - o Grok 4, a que Musk chamou \"a IA mais inteligente do mundo\". Este modelo, a que Musk chamou \"a IA mais inteligente do mundo\", estabeleceu novos recordes nos principais testes de refer\u00eancia assim que foi lan\u00e7ado e tornou-se o primeiro modelo de IA a ultrapassar a taxa de precis\u00e3o de 50% no \"Human Last Exam\" (HLE).<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

Escala aritm\u00e9tica: entradas de forma\u00e7\u00e3o sem precedentes<\/h2>\n\n\n\n

A escala do treino do Grok 4 reflecte o enorme investimento da xAI na infraestrutura de IA, com um n\u00edvel sem precedentes de atribui\u00e7\u00e3o de pot\u00eancia de computa\u00e7\u00e3o:<\/p>\n\n\n\n

Configura\u00e7\u00e3o da infraestrutura<\/h3>\n\n\n\n
Configura\u00e7\u00e3o do hardware<\/th>Especifica\u00e7\u00e3o<\/th>Atribui\u00e7\u00e3o da utiliza\u00e7\u00e3o<\/th><\/tr><\/thead>
Clusters de pr\u00e9-treino<\/td>100.000 GPUs H100<\/td>Forma\u00e7\u00e3o de modelos b\u00e1sicos<\/td><\/tr>
Grupo de aprendizagem refor\u00e7ada<\/td>200.000 folhas de mistura H100\/A100<\/td>Afina\u00e7\u00e3o de RL e otimiza\u00e7\u00e3o da infer\u00eancia<\/td><\/tr>
pot\u00eancia computacional total (TCP)<\/td>Centro de Supercomputa\u00e7\u00e3o Colossus<\/td>Forma\u00e7\u00e3o em IA para todo o processo<\/td><\/tr>
r\u00e1cio de dura\u00e7\u00e3o da forma\u00e7\u00e3o<\/td>100 vezes melhor do que Grok 2<\/td>Itera\u00e7\u00e3o de aprendizagem profunda<\/td><\/tr>
R\u00e1cio de c\u00e1lculo RL<\/td>10 vezes melhor que o Grok 3<\/td>Especializado em aprendizagem intensiva<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Musk revelou que a xAI investe quase tanta aritm\u00e9tica na aprendizagem por refor\u00e7o quanto na pr\u00e9-treinamento, uma abordagem de treinamento orientada por \"motor duplo\" que \u00e9 extremamente rara no setor. A equipa treinou o modelo para pensar, raciocinar e auto-corrigir-se a partir dos primeiros princ\u00edpios, que \u00e9 a fonte principal da capacidade de racioc\u00ednio da s\u00e9rie Grok.<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

Evolu\u00e7\u00e3o da arquitetura de forma\u00e7\u00e3o<\/h3>\n\n\n\n

O paradigma de forma\u00e7\u00e3o da fam\u00edlia Grok sofreu uma evolu\u00e7\u00e3o significativa:<\/p>\n\n\n\n

vers\u00e3o do modelo<\/th>Principais paradigmas tecnol\u00f3gicos<\/th>Atribui\u00e7\u00e3o de recursos de computa\u00e7\u00e3o<\/th>Descobertas fundamentais<\/th><\/tr><\/thead>
Grok 2<\/td>Previs\u00e3o da pr\u00f3xima ficha<\/td>A pr\u00e9-forma\u00e7\u00e3o b\u00e1sica \u00e9 o principal objetivo<\/td>Aumentar a escala<\/td><\/tr>
Grok 3<\/td>Pr\u00e9-treino + RL preliminar<\/td>Aumento de 10 vezes na aritm\u00e9tica pr\u00e9-treino<\/td>Introdu\u00e7\u00e3o das capacidades de racioc\u00ednio<\/td><\/tr>
Grok 4<\/td>Fus\u00e3o de ferramentas nativas + RL em grande escala<\/td>Aritm\u00e9tica RL aumentada em mais 10 vezes<\/td>Utiliza\u00e7\u00e3o de ferramentas e multi-intelig\u00eancia<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
\"\"<\/figure>\n\n\n\n

Arquitetura da tecnologia de base: conce\u00e7\u00e3o inovadora para integra\u00e7\u00e3o nativa<\/h2>\n\n\n\n

Mecanismo de forma\u00e7\u00e3o para a integra\u00e7\u00e3o de ferramentas<\/h3>\n\n\n\n

A maior inova\u00e7\u00e3o tecnol\u00f3gica do Grok 4 \u00e9 a integra\u00e7\u00e3o dos recursos de uso da ferramenta diretamente no processo de treinamento, em vez da abordagem tradicional de p\u00f3s-integra\u00e7\u00e3o:<\/p>\n\n\n\n

Carater\u00edsticas t\u00e9cnicas<\/th>Programas tradicionais<\/th>Programa Grok 4<\/th>melhoria do desempenho<\/th><\/tr><\/thead>
M\u00e9todo de invoca\u00e7\u00e3o da ferramenta<\/td>Integra\u00e7\u00e3o p\u00f3s-API<\/td>Integra\u00e7\u00e3o da forma\u00e7\u00e3o nativa<\/td>Aumentar a efici\u00eancia em 3-5 vezes<\/td><\/tr>
curva de aprendizagem<\/td>Per\u00edodo de adapta\u00e7\u00e3o acentuada<\/td>crescimento suave<\/td>Melhor coer\u00eancia<\/td><\/tr>
escalabilidade<\/td>limitado pela interface<\/td>integra\u00e7\u00e3o perfeita<\/td>Suporte para cadeias de ferramentas complexas<\/td><\/tr>
coer\u00eancia de racioc\u00ednio<\/td>facilmente critic\u00e1vel<\/td>Otimiza\u00e7\u00e3o de ponta a ponta<\/td>Redu\u00e7\u00e3o da taxa de erro 40%<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Esse design permite que o Grok 4 aprenda quando, como e por que usar ferramentas espec\u00edficas durante o treinamento, em vez de simplesmente chamar APIs externas.<\/p>\n\n\n\n

Sistema de Colabora\u00e7\u00e3o Multi-Intelig\u00eancia<\/h3>\n\n\n\n

O Grok 4 Heavy utiliza um modo de funcionamento paralelo multi-intelig\u00eancia com as seguintes especifica\u00e7\u00f5es t\u00e9cnicas:<\/p>\n\n\n\n

Par\u00e2metros de colabora\u00e7\u00e3o<\/th>especifica\u00e7\u00f5es t\u00e9cnicas<\/th>Mecanismos de funcionamento<\/th><\/tr><\/thead>
N\u00famero de intelig\u00eancias paralelas<\/td>At\u00e9 32<\/td>Tratamento simult\u00e2neo da mesma quest\u00e3o<\/td><\/tr>
Estrat\u00e9gias de ramifica\u00e7\u00e3o para racioc\u00ednio<\/td>\u00e1rvore de pesquisa profunda<\/td>Cada ramo \u00e9 explorado de forma independente<\/td><\/tr>
Mecanismos de valida\u00e7\u00e3o colaborativa<\/td>Algoritmos de valida\u00e7\u00e3o cruzada<\/td>Controlo inter-intelig\u00eancias<\/td><\/tr>
sele\u00e7\u00e3o de solu\u00e7\u00f5es \u00f3ptimas<\/td>Fus\u00e3o de aprendizagem integrada<\/td>Gera\u00e7\u00e3o de respostas globais \u00f3ptimas<\/td><\/tr>
C\u00e1lculo das extens\u00f5es durante os ensaios<\/td>Ajust\u00e1vel de 1\u00d7 a 32\u00d7<\/td>Ajusta-se dinamicamente \u00e0 complexidade da tarefa<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Esta \"equipa de doutorandos a trabalhar em grupo\" aumentou a precis\u00e3o de 40% para mais de 50% para intelig\u00eancias individuais.<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

Par\u00e2metros de desempenho do modelo<\/h3>\n\n\n\n
Indicadores principais<\/th>Especifica\u00e7\u00f5es do Grok 4<\/th>Compara\u00e7\u00e3o entre sectores<\/th><\/tr><\/thead>
Comprimento do contexto<\/td>256K fichas<\/td>Normas de aplica\u00e7\u00f5es empresariais<\/td><\/tr>
N\u00famero da vers\u00e3o da API<\/td>grok-4-0709<\/td>\u00daltima vers\u00e3o est\u00e1vel<\/td><\/tr>
rapidez de racioc\u00ednio<\/td>75 tokens\/segundo<\/td>Para al\u00e9m de Claude 4 Opus (66 fichas\/segundo)<\/td><\/tr>
Otimiza\u00e7\u00e3o da lat\u00eancia<\/td>Redu\u00e7\u00e3o para metade de ponta a ponta<\/td>Intera\u00e7\u00e3o por voz em tempo real<\/td><\/tr>
processamento simult\u00e2neo<\/td>Suporte para multi-utilizadores com elevada concorr\u00eancia<\/td>Pronto para a comercializa\u00e7\u00e3o<\/td><\/tr>
era da modela\u00e7\u00e3o<\/td>Infraestrutura de 7\u00aa gera\u00e7\u00e3o<\/td>A mais recente pilha de tecnologia da xAI<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
\"\"<\/figure>\n\n\n\n
\"\"<\/figure>\n\n\n\n

Avalia\u00e7\u00e3o comparativa do desempenho: Liderar a intelig\u00eancia em toda a linha<\/h2>\n\n\n\n

Aptid\u00f5es acad\u00e9micas e de racioc\u00ednio<\/h3>\n\n\n\n

O Grok 4 comprova o seu \"n\u00edvel p\u00f3s-doutoral\" de intelig\u00eancia atrav\u00e9s de um bom desempenho nos testes mais prestigiados:<\/p>\n\n\n\n

Categoria de teste<\/th>Objectivos de refer\u00eancia espec\u00edficos<\/th>Pontua\u00e7\u00e3o do Grok 4<\/th>Grok 4 Pesado<\/th>Compara\u00e7\u00e3o dos n\u00edveis de doutoramento humano<\/th><\/tr><\/thead>
tema geral<\/td>HLE (Human Legacy Examination)<\/td>38.6%<\/td>44.4%<\/td>Para al\u00e9m da maioria dos estudantes de doutoramento<\/td><\/tr>
concurso de matem\u00e1tica<\/td>AIME25<\/td>100%<\/td>100%<\/td>n\u00edvel de nota m\u00e1xima<\/td><\/tr>
Equipa de Matem\u00e1tica<\/td>HMMT25<\/td>96.7%<\/td>96.7%<\/td>N\u00edvel de competi\u00e7\u00e3o superior<\/td><\/tr>
Perguntas e respostas para estudantes de p\u00f3s-gradua\u00e7\u00e3o<\/td>GPQA<\/td>88.9%<\/td>88.9%<\/td>N\u00edvel de entrada no doutoramento<\/td><\/tr>
Olimp\u00edada de Matem\u00e1tica<\/td>USAMO25<\/td>61.9%<\/td>61.9%<\/td>N\u00edvel de competi\u00e7\u00e3o internacional<\/td><\/tr>
concurso de programa\u00e7\u00e3o<\/td>LCB (janeiro-maio)<\/td>79.4%<\/td>79.4%<\/td>N\u00edvel de programador profissional<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
\"\"<\/figure>\n\n\n\n

Avalia\u00e7\u00e3o das compet\u00eancias essenciais da AGI<\/h3>\n\n\n\n

O Grok 4 tamb\u00e9m se destacou no teste chave de IA geral:<\/p>\n\n\n\n

Itens do teste AGI<\/th>Desempenho do Grok 4<\/th>significado t\u00e9cnico<\/th>Compara\u00e7\u00e3o com os concorrentes<\/th><\/tr><\/thead>
ARC-AGI-2<\/td>15.9%<\/td>Primeiro modelo comercial a ultrapassar os 10%<\/td>12 vezes superior ao DeepSeek R1<\/td><\/tr>
ARC-AGI-1<\/td>66.7%<\/td>Capacidade de generalizar a partir de padr\u00f5es conhecidos<\/td>Ultrapassa o GPT-4 em quase 6 pontos percentuais<\/td><\/tr>
r\u00e1cio custo-efic\u00e1cia<\/td>\u00f3timo<\/td>Mais inteligente por unidade de d\u00f3lar<\/td>Rela\u00e7\u00e3o pre\u00e7o\/desempenho l\u00edder na ind\u00fastria<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
\"\"<\/figure>\n\n\n\n

Cen\u00e1rios de teste especiais<\/h3>\n\n\n\n

Numa s\u00e9rie de cen\u00e1rios de teste \u00fanicos, o Grok 4 demonstrou a capacidade de superar a IA tradicional:<\/p>\n\n\n\n

cen\u00e1rio de teste<\/th>express\u00e3o concreta<\/th>Implica\u00e7\u00f5es t\u00e9cnicas<\/th><\/tr><\/thead>
Teste de neg\u00f3cio de bancada de venda autom\u00e1tica<\/td>Patrim\u00f3nio l\u00edquido duas vezes superior ao do segundo classificado<\/td>Capacidade de decis\u00e3o empresarial a longo prazo<\/td><\/tr>
Descoberta de medicamentos RKG<\/td>O \u00fanico modelo a quebrar o 10%<\/td>racioc\u00ednio biom\u00e9dico<\/td><\/tr>
Modela\u00e7\u00e3o f\u00edsica complexa<\/td>Simula\u00e7\u00e3o bem sucedida de colis\u00f5es de buracos negros<\/td>Conhecimentos avan\u00e7ados de computa\u00e7\u00e3o cient\u00edfica<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
\"\"<\/figure>\n\n\n\n

Estrat\u00e9gia de pre\u00e7os e de comercializa\u00e7\u00e3o<\/h2>\n\n\n\n

A xAI tem uma estrat\u00e9gia clara de posicionamento de topo de gama para o Grok 4:<\/p>\n\n\n\n

n\u00edvel de servi\u00e7o<\/th>Pre\u00e7os mensais<\/th>Pre\u00e7os da taxa anual<\/th>Diferen\u00e7as funcionais fundamentais<\/th><\/tr><\/thead>
SuperGrok<\/td>$30<\/td>$300<\/td>Carro\u00e7aria Inteligente \u00danica Edi\u00e7\u00e3o Standard<\/td><\/tr>
SuperGrok Pesado<\/td>$300<\/td>$3,000<\/td>Edi\u00e7\u00e3o de Colabora\u00e7\u00e3o Multi-Intelig\u00eancia<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Esta estrat\u00e9gia de pre\u00e7os posiciona o Grok 4 como um servi\u00e7o de IA topo de gama para empresas e utilizadores profissionais, com uma taxa anual de at\u00e9 CNY 21.500 para a vers\u00e3o Heavy.<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

Perspectivas de aplica\u00e7\u00e3o e integra\u00e7\u00e3o na ind\u00fastria<\/h2>\n\n\n\n

O Grok 4 ser\u00e1 rapidamente integrado no ecossistema industrial de Musk: o assistente de voz foi integrado no mais recente firmware da Tesla e o rob\u00f4 Optimus ser\u00e1 equipado com o Grok como o seu c\u00e9rebro de IA. A xAI planeia lan\u00e7ar modelos de programa\u00e7\u00e3o dedicados, agentes multimodais e modelos de gera\u00e7\u00e3o de v\u00eddeo em grande escala, um ap\u00f3s o outro, nos pr\u00f3ximos meses, para construir uma matriz completa de produtos de IA.<\/p>\n\n\n\n

O Grok 4 estabeleceu uma posi\u00e7\u00e3o de lideran\u00e7a na competi\u00e7\u00e3o de IA com a vantagem aritm\u00e9tica de 200.000 clusters de GPU e a inova\u00e7\u00e3o tecnol\u00f3gica da fus\u00e3o de ferramentas nativas. O seu desempenho esmagador em benchmarks, especialmente em tarefas complexas que requerem racioc\u00ednio profundo, marca um passo significativo em dire\u00e7\u00e3o \u00e0 \"super intelig\u00eancia humana\". Embora o seu pre\u00e7o elevado limite a sua popularidade, o Grok 4 oferece a op\u00e7\u00e3o mais poderosa do mercado atual para utilizadores profissionais que procuram o m\u00e1ximo em poder de IA.<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

Se pretender utilizar a conta exclusiva paga oficial GPT Plus, Claude Pro, Grok Super, pode contactar a nossa equipa de profissionais (wx: f15303420735) se n\u00e3o souber como efetuar o carregamento.<\/strong><\/p>\n\n\n\n\n\n\n\n\n\n\n\n
\n

Para mais produtos, consultar<\/h4>\n<\/th>\n

\n

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Musk revelou o mais recente modelo de IA da xAI, o Grok 4, em 10 de julho, treinado com 200.000 GPUs H100\/A100 e com uma precis\u00e3o de 50% nos testes HLE. O modelo tem um bom desempenho em v\u00e1rios testes de refer\u00eancia e \u00e9 particularmente adequado para tarefas de racioc\u00ednio complexas. A vers\u00e3o comercial do SuperGrok tem um pre\u00e7o de 30 a 300 d\u00f3lares por m\u00eas e destina-se a utilizadores profissionais de topo de gama. O Grok 4 ser\u00e1 integrado em produtos ecol\u00f3gicos como o Tesla e o Optimus Robotics.<\/p>","protected":false},"author":1,"featured_media":6494,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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