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estudIA

7 guides

Start here

If you are new to AI, begin here. These guides explain the core ideas in plain language and in a sensible order, so everything else on the site makes sense.

  1. Start here

    4 min read

    How AI Language Models Work: LLMs, Tokens and Context

    A plain-language explanation of what large language models are, how they generate text, what tokens and context windows are, and why it matters to you.

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  2. Lesson 23 min read

    AI Hallucinations and Privacy: A Beginner’s Safety Guide

    Why AI models make things up, how to catch and reduce hallucinations, what happens to the data you share with chatbots, and a step-by-step learning path.

  3. Lesson 34 min read

    AI Model Guide: Claude, GPT, Gemini, Grok and More

    What each name and version means: Fable, Opus, Sonnet, Astra, Sol, Luna, Gemini, Grok, Muse Spark and DeepSeek. What each is for and what it costs.

  4. Lesson 43 min read

    Getting Started With ChatGPT, Claude and Gemini

    How to start using an AI assistant from scratch: create your account, what the free plan offers, your first conversation and the privacy settings to check.

  5. Lesson 52 min read

    What AI Can and Cannot Do Today

    A realistic guide to generative AI in 2026: where it excels, where it is mediocre and where you should not trust it, with concrete examples.

  6. Lesson 63 min read

    12 Everyday Uses of AI (With Example Prompts)

    Practical ideas to start getting value from AI at home, at work and in your studies, with the exact prompt you can copy and adapt for each one.

  7. Lesson 72 min read

    A 30-Day Roadmap to Learn AI From Scratch

    A four-week plan, 30 minutes a day, to go from zero to using AI confidently and understanding agents and automation, with free resources along the way.