Learn AI
From zero to expert. Choose your level, learn at your pace. Each article has a quick view (3 min) and a full view to go deeper.
Beginner15 articles
Understand the basics in a few minutes
AGI: when is it really coming? (2026 analysis without hype)
Sam Altman says 'few years', Yann LeCun '20 years min', expert median 2047. We analyzed predictions, benchmarks, 4 major obstacles, 3 scenarios.
ChatGPT marketing: 50 pro prompts saving 10h/week
50 tested marketing prompts: content, social, email, ads, analytics. With pro prompt anatomy and the golden rule for x3-10 results.
30 pro prompts worth gold (2026 catalog)
A good prompt is worth 10x more than a good AI. We selected 30 pro prompts by category: writing, sales, code, marketing, career, productivity.
GPT-5: everything it really does in 2026
GPT-5 released August 2025: 71% on SWE-Bench (vs 50% GPT-4), integrated Sora, autonomous agents. We tested everything for 6 months — strengths, limits, prices.
AI and jobs: which professions disappear and emerge in 2026?
8% of jobs will truly disappear, 35% will transform, 12% of new AI jobs emerge. Complete mapping of at-risk jobs and 5-point strategy to protect yourself.
AI phishing: the new wave (vishing, smishing) in 2026
95% of security pros say AI makes detection harder. Cloned voice vishing, perfect emails, hyper-personalized SMS: we explain everything with pro diagrams and 6-layer defense plan.
ChatGPT vs Claude vs Gemini: which to choose in 2026?
The 3 AI leaders in 2026 dissected without BS: strengths, weaknesses, prices, French quality, use cases. With a guide to choose based on your needs.
Veo 3, Sora, Kling: creating videos with AI in 2026
Veo 3 (Google), Sora (OpenAI), Kling (China): 3 AIs that generate pro videos from text. We explain how they work, which to choose, costs and killer use cases.
Deepfakes: how to protect yourself in 2026
$25 million lost in one fake video call. Your children's voice cloned in 30 seconds. Deepfakes are the massive 2026 scam. We explain how to spot and protect yourself.
AI and privacy: how to protect your data
Your ChatGPT conversations are not private. Here are the GDPR-friendly best practices to use AI without risking your data: settings, anonymization, local models.
10 truly essential free AI tools
Our selection of 10 free AI tools (no credit card) covering 90% of use cases: chat, image, audio, transcription, translation, code. Enough to replace €300/month of paid apps.
How ChatGPT works in 5 minutes
ChatGPT is just a juiced-up autocomplete that read the Internet. We explain simply, without jargon, how it really works and what it's for.
Pay or not for an AI?
Comparison of free and paid versions, what really changes, and when the subscription (20-30€/month) becomes profitable. With real cost calculations.
Prompt engineering, the normal version
The 7 techniques that work to get better AI responses. No need to be technical: context, precision, examples. With ready-to-copy patterns.
What is a LLM?
Understand in 5 minutes what powers ChatGPT, Claude, Gemini and all the others. From simple analogy to Transformer architecture, everything you need to know.
Intermediate13 articles
Go deeper, understand the mechanisms
AI Agent Drift: Why Your Agent Works in a Demo but Breaks in Production
A flawless agent in a demo can fall apart the moment it meets the real world. Here's what drift is, why it happens, how to detect it — and above all how to prevent it upstream.
Persistent Memory: Why Your AI Assistant Forgets You — and How to Fix It
By default, an AI forgets everything from one session to the next. Here's why, how a real three-layer memory works, why RAG isn't enough, and how to give an agent persistent memory — without neglecting GDPR.
AI Agents in Enterprise: What ANSSI's April 2026 Warning Actually Says
CERT-FR advises against AI agents in production. Decoding bulletin CERTFR-2026-ACT-016, 5 technical risks, 3 workstreams, 5-day checklist.
Agentic systems with Claude: architecture and theory explained
Understand how Claude orchestrates multiple agents that collaborate. Orchestrator-worker pattern, nO loop, inter-agent communication. No jargon.
Choosing your AI API in 2026: OpenAI vs Anthropic vs Mistral vs Google
OpenAI, Anthropic, Mistral, Google, DeepSeek... 5 major APIs, prices varying 50×, very different strengths. Decoding which provider to choose based on your use case, budget, and constraints. Practical decision matrix.
MCP (Model Context Protocol): the standard that finally connects AI to your tools
The Model Context Protocol is the USB-C of AI. One standard to connect Claude, ChatGPT, Gemini to your 50 tools (Slack, GitHub, Notion, Drive...) without coding 50 integrations. Adopted by Anthropic, OpenAI, Google in 2026. Why it's the silent revolution.
Chinese AI (DeepSeek, Qwen, Kimi): should we be wary in 2026?
DeepSeek R1 beat OpenAI at 50x cheaper. Qwen is the #1 open-source model on Hugging Face. But censorship, data sent to China, regulatory risks: complete unbiased analysis.
Shadow AI: the invisible danger in business
78% of your employees use personal ChatGPT at work. Your data may be going to OpenAI without you knowing. We explain the phenomenon, real incidents, and 30-day remediation plan.
Securing your business against AI risks in 2026
67% of businesses had an AI incident in 2026. Average cost €4.9M. We explain the 4 risk vectors, frameworks (SAIF, OWASP), AI Act, and 90-day action plan for CISOs/managers.
GEO: the new SEO in the AI era (Google AI Overviews)
Google AI Overviews dropped organic CTR from 28% to 17%. GEO (Generative Engine Optimization) is the new discipline to stay visible. We explain the 5 pillars and the 90-day action plan.
Vibe coding: coding with AI in 2026 (Cursor, Claude Code)
Vibe coding is the new way of coding where you dialogue with AI. We explain how Cursor, Claude Code, Copilot and Windsurf radically change the dev job. 2-5x productivity, but not magic.
Understanding AI hallucinations
Why does ChatGPT invent references? Why did Bard make Google lose $100 billion? We explain how AI hallucinations work, how to detect and avoid them.
Open source vs proprietary: which LLM to choose?
Mistral, Llama, DeepSeek vs GPT, Claude, Gemini: open or closed? We help you decide based on your volume, GDPR constraints and real budget (with TCO calculation).
Advanced8 articles
Master advanced technical concepts
Passing the Claude Certified Architect (CCA-F): The Complete Guide
The reference guide to earning Anthropic's first official technical certification: the 5 weighted domains, the exact format, SVG schemas, worked sample questions, the traps, a study plan, the free official courses, and a full AI/Claude glossary.
Building a multi-agent system with Claude: practical guide (SDK + MCP)
Complete tutorial to deploy Claude agents that collaborate. Comparison Agent SDK vs API + MCP. Python code, real case, production deployment.
Multi-agent systems: AI agent teams for pros (2026 architecture)
Multi-agent systems are the #1 pro topic of 2026. 4 orchestration patterns, frameworks (LangGraph, CrewAI, AutoGen), 5 fatal mistakes, 4-week roadmap.
Securing an AI project end-to-end: complete 2026 framework
Complete framework to secure your AI in 2026: 5 layers, STRIDE-AI model, 60-point checklist, 90-day program, tooling stack, AI Act/ISO 42001 compliance.
AI red-teaming: attack your own LLMs before others do
Complete 2026 methodology: MITRE ATLAS framework, 6 attack categories, monthly cadence, tools (Garak, PyRIT), AI Act compliance.
Prompt injection: the critical LLM flaw in 2026
Ranked #1 OWASP Top 10 LLM for 3 consecutive years. LLMs cannot distinguish instructions from data — the fundamental flaw. Real cases, 8 attack vectors, defense-in-depth.
AI Agents: the next revolution
Claude Computer Use, OpenAI Operator, Devin... AI agents act in the world, not just answer. We explain how they work, the top 2026 frameworks and the real risks.
RAG explained simply
RAG is the technique that connects an LLM to your documents for grounded, hallucination-free answers. We explain the mechanism, technical stack and optimizations that make a difference.