Krisztian Eyssen, Krisztian Eyssen Processing Long Documents in Chunks A model today will swallow a thick novel whole, and still lose the point in a 200-page file. Chunking is not about size, it is about attention. Intermediate Office worker Recipe Prompting Sep 11, 2026
Krisztian Eyssen, Krisztian Eyssen A Prompt Library for Yourself and Your Team A prompt that works is an asset — it is just that in most companies nobody knows where it is. A simple system that needs no new software. Intermediate Business owner How-To 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 Fine-tuning, RAG or a Better Prompt? Which Is for What Three solutions to three different problems. Most companies pick the most expensive one for the worst reason — because it sounds the most serious. AI Basics Intermediate Business owner Comparison 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 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 Open-weight and Closed Models: What's the Difference for You? This is not an ideological question, and it is not about which one is smarter. It is about three very practical things: where your data sits, what it costs, and what happens if the vendor retires the model tomorrow. AI Basics Intermediate Business owner Comparison 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 Training or Inference: Where the Money Is in AI Building a model costs hundreds of millions. Answering one question costs a fraction of a cent. Those two numbers are two sides of the same system — and between them they decide what you should buy and what you should build. AI Basics Intermediate Business owner Explainer Sep 10, 2026