Análises Técnicas de IA
Mergulhe no mundo da IA e da Aprendizagem Automática, explorando conceitos fundamentais, os avanços mais recentes e as aplicações na indústria. Esta categoria oferece perspetivas sobre a forma como a IA e a AA estão a redefinir o nosso panorama digital, tanto para entusiastas como para profissionais.
O que é o Grok AI? De quem é, o que faz e quanto custa (2026)
O Grok AI é um chatbot de IA e uma família de grandes modelos de linguagem criados pela xAI, a empresa de Elon Musk que a SpaceX comprou em fevereiro de 2026. Pode…
Best Free AI Models in 2026: Which Ones Cost Nothing and Where to Use Them
ChatGPT Free now runs GPT-6 Luna, Claude Free runs Sonnet 5.5, and since 9 October free Gemini sends most prompts to Flash-Lite. Here is every AI model you can use…
Claude Opus vs Sonnet: Which One to Use, and When Opus Is Worth Twice the Price
Claude Opus 5.5 costs twice as much per token as Claude Sonnet 5.5, and on Anthropic's own benchmarks the two sit within a few points of each other. The real…
The Ultimate Claude Model Comparison: Claude 4 to Opus 5.5
Anthropic shipped 20 Claude models between May 2025 and October 2026. The newest flagship, Claude Opus 5.5, costs $4 / $20 per million tokens, less than a third of…
What Is Perplexity Computer? How It Works, What It Costs and Who It Is For
Perplexity Computer is Perplexity's AI agent. You describe an outcome, and it splits the job across sub-agents running on more than 20 models in a cloud sandbox…
Why Is Claude So Slow? 6 Causes and the Settings That Fix Them
Claude is usually slow for one of four reasons. You picked a slower model, the effort level is set high, the chat is long, or Anthropic has an incident. Check…
Best Chinese AI Models in 2026: MiMo, Qwen, GLM, Kimi and DeepSeek Ranked
The best Chinese AI model in October 2026 is not DeepSeek. Moonshot AI’s Kimi K3.1 Pro, released on 23 October, scores 55.1 on the Artificial Analysis Intelligence…
A comparação definitiva de modelos Gemini: de 2.5 a Gemini 4 Argon
A Google gere agora duas linhas temporais do Gemini que já não avançam ao mesmo ritmo. A linha Flash avançou até ao Gemini 3.8 Flash, lançado a 2 de setembro de…
O que é o Claude AI? Quem o criou e para que serve (2026)
O Claude AI é um assistente de IA e uma família de grandes modelos de linguagem criados pela Anthropic, uma empresa de IA sediada em São Francisco. Pode usá-lo no…
Jev and System One Models: The AI That Answers in Numbers, Not Words
A new AI lab says its model is 444 times cheaper than an LLM and cannot hallucinate. Its own documentation and two independent tests tell a more useful story about…
AI Benchmarks Explained: What MMLU, GPQA, SWE-bench and LMArena Actually Measure
Every AI launch arrives with a wall of numbers. The benchmarks behind them are narrower, older and more fragile than the charts suggest, and the same test can hand…
What Is Prompt Injection? The AI Flaw Nobody Has Fixed
Prompt injection explained in plain English. What it is, why it cannot be patched, which AI tools are exposed, and what actually reduces your risk.
What Is MCP in AI? The Model Context Protocol in Plain English
MCP explained in plain English. What the Model Context Protocol does, which AI apps already support it, whether it is safe, and how to decide if you need it.
Agentic AI Frameworks: 8 Best Options Compared (2026)
The agentic AI framework landscape consolidated hard in 2026, and if you are a student or self-taught developer learning to build agents, that is good news. Fewer…
What Is Agentic AI? A Clear 2026 Guide with Examples
Agentic AI is artificial intelligence that pursues a goal on its own. Instead of just answering a prompt, it plans the steps, uses tools like web search or apps…
Melhores Agentes de IA em 2026: 30 Ferramentas Testadas e Comparadas
O guia mais completo sobre agentes de IA em 2026. Organizado pelo que quer fazer — programação, investigação, trabalho de escritório, automação, uso pessoal…
Why Is ChatGPT So Slow? Causes and 8 Fixes That Actually Work
ChatGPT is usually slow for one of four reasons: high server load at peak times, a high reasoning effort setting that makes the model think before it answers, a…
What Is GLM? Every Zhipu AI’s Open Model Explained
GLM is the family of large language models built by Zhipu AI, the Chinese lab now trading as Z.ai. If you typed “what is GLM” expecting the statistics term or the…
Melhor IA Gratuita em 2026: Chatbots Testados Contra Limites Reais de Mensagens
A maioria dos chatbots de IA “grátis” corta-o discretamente ao fim de uma mão-cheia de mensagens. O Claude pausa-o ao fim de cerca de 15 a 40 mensagens numa janela…
What Is Open Source AI? A Clear 2026 Guide
Most AI models people call “open source” are not actually open source. They are open-weight, a narrower thing, and the gap between the two decides what you can…
Melhores Modelos de IA Open Source em 2026, Classificados e Comparados
Os melhores modelos de IA open source voltaram a mudar de líder em setembro. A Xiaomi publicou os pesos do MiMo-V2.6-Pro a 21 de setembro de 2026 sob uma licença…
How to Use Apple Intelligence on iPhone, iPad, and Mac
To use Apple Intelligence, first make sure it is switched on under Settings > Apple Intelligence & Siri, then open the feature you want. You select text and tap…
How to Turn Off Apple Intelligence on iPhone, iPad, and Mac
iOS 27 and macOS 27 Golden Gate removed the master Apple Intelligence toggle. There is no longer one switch that turns everything off, so the route is now per…
Is Apple Intelligence Worth It? An Honest 2026 Verdict
Apple Intelligence is worth turning on if you already own a supported device, because it is free, private, and built into apps you use every day. It is not worth…
How to Turn On Apple Intelligence and Siri AI in iOS 27
On iOS 27 and macOS 27, you turn on Apple Intelligence by updating. Apple says the new features are “automatically available on eligible devices” once you install…
Which iPhones, iPads, and Macs Support Apple Intelligence?
Apple Intelligence runs on iPhone 15 Pro and later, every iPhone 16 and 17 model, iPads with an M1 chip or the A17 Pro, and any Apple silicon Mac. That means the…
How Much Energy Does ChatGPT Use?
How much energy does ChatGPT use? A single query uses about 0.34 watt-hours of electricity, according to OpenAI CEO Sam Altman, roughly what an oven draws in a…
Quanta Água Consome o ChatGPT?
Quanta água consome o ChatGPT? O próprio número da OpenAI, indicado pelo CEO Sam Altman, é de cerca de 0,000085 galões por consulta, ou seja, aproximadamente 0,32…
Claude Cowork: Complete Guide, Pricing, Setup, and Dispatch (2026)
Everything you need to know about Claude Cowork, Anthropic's AI agent for knowledge work. Features, real pricing, setup guide, honest review, and how it compares to…
Quem criou o ChatGPT? Os fundadores, os donos e a história completa da OpenAI
O ChatGPT foi criado pela OpenAI, uma empresa de investigação em inteligência artificial fundada a 11 de dezembro de 2015 por Sam Altman, Greg Brockman, Ilya…
