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Practical AI · Spain · 2026

Artificial intelligence, explained so you can use it tomorrow.

Step-by-step guides, ready-to-copy prompts and honest comparisons for using ChatGPT, Gemini or Copilot at work and at home. No jargon, no hype, and official sources throughout.

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Guides to get started

Comparisons

ChatGPT vs Gemini vs Claude: which suits you (euro prices, October 2026)

A dated comparison of ChatGPT, Gemini and Claude (and Copilot): what each free plan includes, official euro prices where published, privacy and which profile each one suits best.

Start here

AI from scratch for non-technical people: a practical guide (2026)

What an AI chatbot is, what it can do for you day to day, how to start today without paying and which mistakes to avoid. No jargon, official sources.

By profession

AI for the self-employed and small businesses: practical uses (no tax advice)

Quotes, client emails, posts, customer service and organisation with ChatGPT, Gemini, Claude or Copilot. What data not to share and what the EU AI Act requires if you add a chatbot.

By profession

AI for teachers: practical uses, privacy and classroom rules

How to prepare materials, rubrics, differentiated tasks and quizzes with AI without putting student data at risk. With UNESCO’s guidance and what the EU AI Act says.

Tools

How to use ChatGPT: the complete guide (2026)

From opening chatgpt.com to really getting the most out of it: account, plans, temporary chat, memory, privacy settings and requests that work.

Tools

ComfyUI: what it is and how to start creating AI images on your computer

A beginner’s guide to ComfyUI and Comfy Desktop: official requirements, installation on Windows and Mac, nodes and workflows, offline use, privacy and limits.

Tools

Hermes Agent: what it is, who it’s for and how to install it step by step

A guide to Hermes Agent, Nous Research’s open-source AI agent: requirements, installing the desktop app, first settings, privacy, limits and precautions.

Configurations

Configuration: ComfyUI 100% offline with your models in one folder

A recipe for using ComfyUI without internet, without paid API nodes and without sharing usage data, and for reusing a models folder with extra_model_paths.yaml.

Configurations

Configuration: Hermes Agent with MCP access to a single folder

A copyable recipe for connecting Hermes Agent to the filesystem MCP server, limited to one folder and to only the tools you need, explained line by line.

Configurations

Configuration: OpenClaw on WhatsApp just for you

A copyable recipe so your OpenClaw assistant on WhatsApp only serves your number and, in groups, only replies when mentioned. With explanation and security audit.

Configurations

Configuration: Ollama local-only, private and with more context

Copyable recipes to turn off Ollama’s cloud features, keep it reachable only from your computer, increase the context and store models on another disk.

Tools

NotebookLM (now Gemini Notebook): what it is and how to use it for study and work

A practical guide to Gemini Notebook, Google’s former NotebookLM: supported sources, official limits, audio overviews, research and privacy, step by step.

Tools

Ollama: how to use AI models on your computer, offline

A beginner’s guide to Ollama: what it is, memory requirements, installation on Windows, Mac and Linux, first model, local-only mode, privacy and limits, from the official documentation.

Tools

OpenBot: what it is and how to use a team of AI agents on your computer

A guide to OpenBot (openbot.run), the free desktop app for working with agents such as Codex, Claude Code or Gemini using your AI plans: requirements, installation, privacy and precautions.

Tools

Perplexity: what it is and how to search with AI that cites sources

A practical guide to Perplexity, the AI search engine that answers with citations: free plan vs Pro, how to check sources and when it beats ChatGPT or Gemini.

By task

How to make an AI-assisted CV that gets past ATS filters (and sounds like you)

Tailor your CV to each job ad with ChatGPT, Gemini or Claude without inventing anything: the ad’s keywords, simple formatting, cover letter and interview practice. With Europass’s official tips.

By task

How to write with AI: emails, texts and documents that sound like you

A practical method for drafting with ChatGPT, Gemini or Claude without it sounding machine-written: context, tone, draft and review, with ready-to-copy prompts.

By task

AI for Excel: formulas, tables and charts with Copilot or ChatGPT

How to use Copilot in Excel (edit, plan and chat modes) or a free assistant to create formulas, PivotTables and charts without being an expert. Official requirements and prices in Spain.

By task

AI to create images for free: Gemini, ChatGPT and Copilot (2026)

What Gemini (Nano Banana 2), ChatGPT and Microsoft Copilot offer for free to generate images, with age requirements, official limits and prompts that work.

By task

How to study with AI (without cheating): study mode, outlines and quizzes

Honest ways to learn with AI: ChatGPT’s study mode, notebooks with your notes in Gemini Notebook, revision quizzes and step-by-step explanations. With UNESCO’s recommendations.

By task

AI for making presentations: Copilot, Gemini, Claude and Gamma

How to create a presentation with AI in minutes: outline with an assistant, slides with Copilot in PowerPoint or Gamma, and a final review so it doesn’t look generic.

By task

How to summarise a long PDF with AI (free and error-free)

Summarise reports, notes or manuals with ChatGPT, Gemini, Claude or Gemini Notebook: each one’s official limits, the section-by-section method and how to check the summary invents nothing.

Safety and good use

AI agents: real risks and how to use them sensibly

What changes when an AI doesn’t just answer but acts: files, commands, browser and messages. The risks documented by the projects themselves (prompt injection, permissions, keys) and a checklist.

Safety and good use

Using AI safely: what data you should never paste into a chatbot

The list of things you should never share with ChatGPT, Gemini or any AI, why, and which settings protect you. Based on what OpenAI, Google, the Spanish data-protection authority and the GDPR say.

Tools

OpenClaw: what it is and how to have your AI assistant in WhatsApp or Telegram

A guide to OpenClaw, the open-source AI assistant that runs on your own computer and replies from your messaging apps: requirements, installation, safe configuration and limits.

Find what you need

Start here

The basics for using AI with confidence, even if you have never opened a chatbot.

Tools

One complete guide per tool: what it does, how to use it, free vs paid, and privacy settings.

By task

Writing, summarising, Excel, presentations, studying, job hunting… AI organised by what you need to get done.

By job

Concrete uses for teachers, office staff, freelancers, students, retail and hospitality, with templates.

Comparisons

Comparisons with visible dates and prices in euros, so you can choose without wasting time.

Safety and good use

Privacy, hoaxes, deepfakes and hallucinations: how to use AI without the risks.

Configurations

Copyable recipes to set up AI tools safely, explained line by line.

Glossary

Prompt, token, hallucination… AI terms in one sentence.

Radar: what’s new, explained

Launches from the big AI companies and interesting GitHub projects, explained for normal people and linked to the official source.

Launch · OpenAI

GPT-6 comes to free ChatGPT, with interactive answers

OpenAI rolls out GPT-6 in ChatGPT on every plan, including the free one, with “Intelligent UI”: answers with charts, buttons and mini tools.

GitHub project · Ollama (open source)

Ollama: run AI models on your own computer

Open-source project on GitHub that lets you download and use open AI models offline, on your computer. Explained without jargon.

GitHub project · OpenBot

OpenBot: a shared workspace for AI agents on your computer

A free app in development preview that brings agents such as Codex, Claude Code, Gemini, Grok or OpenCode together in one local workspace.

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How we work

01

Official sources

Every fact links to vendor documentation, official gazettes, data-protection authorities or the EU.

02

Visible dates

Every guide shows when it was last updated and what changed.

03

No professional advice

We explain. We don’t give medical, legal or financial advice.

04

No tracking

We use no cookies and no analytics that follow you.

Our methodology →