Krisztian Eyssen, Krisztian Eyssen Embeddings and Vector Search, Explained Clearly How a sentence turns into a row of numbers, and why that lets a machine find what you asked for in completely different words. There is no magic in the mechanism — but there are four traps that sink most in-house builds. AI Basics Advanced Developer Explainer 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 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
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
Krisztian Eyssen, Krisztian Eyssen How a Machine Guesses the Next Word Your phone's autocomplete does the same thing, only far more stupidly. Understand the difference between the two and you understand the whole language model. AI Basics Beginner Everyone Explainer Sep 10, 2026
Krisztian Eyssen, Krisztian Eyssen Machine Learning, Deep Learning, Generative AI: How They Fit Together They are not synonyms and they are not competitors. They nest inside each other like Russian dolls — and once you know which sits inside which, half the jargon you read suddenly makes sense. AI Basics Beginner Everyone Explainer Sep 10, 2026
Krisztian Eyssen, Krisztian Eyssen What AI Really Is When someone says "AI" they could mean three different things. Here is how to tell them apart — and the one sentence that makes everything else on this blog make sense. AI Basics Beginner Everyone Explainer Sep 10, 2026
