Krisztian Eyssen, Krisztian Eyssen Context Engineering: What Replaced Prompt Engineering Half of that title is true. Prompting did not die — it just turned out that phrasing the question is the smaller half of the work that makes an AI system function. Advanced Everyone Explainer Prompting Sep 11, 2026
Krisztian Eyssen, Krisztian Eyssen Prompt Injection: When Someone Hijacks Your Instruction It is not you who has to be deceived, it is the model. A web page, an email or a CV can give it instructions too — and the model cannot tell them apart from yours. Intermediate Everyone Explainer Prompting Sep 11, 2026
Krisztian Eyssen, Krisztian Eyssen A Short History of AI, from Turing to Agents Seven milestones, seventy years. Today's systems did not come out of nowhere — and knowing the road makes it much easier to see what is genuinely new and what has merely become cheap enough. AI Basics Beginner Everyone Explainer Sep 10, 2026
Krisztian Eyssen, Krisztian Eyssen Can AI Do This Task? A One-Minute Decision Method Four questions you can put to any task before you start. If two of them come back no, do not swap the tool — reshape the task. AI Basics Beginner Everyone Recipe Sep 10, 2026
Krisztian Eyssen, Krisztian Eyssen Prompt, System Prompt, Temperature: The Three Dials There are three things you set when you tune an AI's behaviour. You use two of them daily without noticing, and you probably set the third one wrongly. AI Basics Intermediate Everyone How-To Sep 10, 2026
Krisztian Eyssen, Krisztian Eyssen What AI Is Not Good For: The Honest List Knowing the limits is worth more than a hundred tricks. Nine things it is unreliable at today — and for each one, whether it can be fixed or comes with the machinery. AI Basics Beginner Everyone Explainer Sep 10, 2026
Krisztian Eyssen, Krisztian Eyssen How to Read AI Benchmarks Without Being Misled The model at the top of the leaderboard is rarely the right choice for your task. Four things the score hides — and a half-day method that actually tells you. AI Basics Intermediate Everyone Explainer Sep 10, 2026
Krisztian Eyssen, Krisztian Eyssen What Is an AI Agent, and How Is It Different from a Chatbot? A chatbot gives advice. An agent does the job. The difference comes down to one thing — and that same thing is what makes it both useful and risky. AI Basics Beginner Everyone Explainer Sep 10, 2026
Krisztian Eyssen, Krisztian Eyssen Multimodal AI: When the Machine Sees, Hears and Speaks It is not a separate image recogniser bolted onto a separate text model. It is one model handling both in the same train of thought — and that difference is far more useful than it sounds. AI Basics Beginner Everyone Explainer Sep 10, 2026
Krisztian Eyssen, Krisztian Eyssen Reasoning Mode: What Do You Get When the Model Thinks Longer? A couple of years ago this needed separate models. Today it is a dial you turn — and most people set it wrongly, because they do not know what they are paying for. AI Basics Intermediate Everyone Explainer Sep 10, 2026
Krisztian Eyssen, Krisztian Eyssen Why AI Makes Things Up: Hallucination Explained It is not a bug, not an intention, and not fixable. It is the other side of the very ability that makes AI useful at all — but five specific things reduce it considerably. AI Basics Beginner Everyone Explainer Sep 10, 2026
Krisztian Eyssen, Krisztian Eyssen Tokens and the Context Window: Why Length Costs Money The model does not count in words, and it does not remember indefinitely. Those two facts explain your bill, why long conversations seem to get dumber, and why some languages cost more than others. AI Basics Beginner Everyone Explainer Sep 10, 2026
