Artigos de How AI Works

How AI Works 1,404 ChatGPT, Claude or Gemini: which AI tool suits which task ChatGPT, Claude, Gemini, Copilot, Grok. New versions turn up month after month and the question that reaches us is...
How AI Works 817 Tokens explained: how AI model APIs are counted A token is a piece of text: a short word, part of a long word, a punctuation mark or a space. AI APIs count tokens,...
How AI Works 1,222 What an MCP server is, and why people ask for one MCP (Model Context Protocol) is an open protocol that defines a common way for an AI application to talk to tools...
How AI Works 839 AI that answers from your own documents: RAG explained RAG (retrieval-augmented generation) is the technique behind nearly every assistant that “answers from our...
How AI Works 827 AI hallucinations: how to check an answer before you use it A hallucination is when an AI states something false with complete confidence: an invented fact, a quotation that...
How AI Works 973 Embeddings and semantic search: finding things by meaning in your own content An embedding is a list of numbers that represents the meaning of a text. Two texts that say similar things get...
How AI Works 1,133 Running an AI model on your own computer with Ollama or LM Studio You can run an AI model on your own computer, without sending anything over the internet, with a program such as...
How AI Works 1,089 Why the AI forgets what you said earlier: context and long conversations AI “forgets” because it has no memory of its own between messages: each time it answers, it re-reads what has been...
How AI Works 1,269 What an AI agent is, and what it still cannot do reliably An AI agent is a model connected to tools (read files, search, write, send messages, run commands) that works in a...
How AI Works 992 Prompt injection: how text from a stranger can steer your AI Prompt injection is when text the AI reads (a web page, an e-mail, a PDF, a visitor’s message) contains instructions...