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 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 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 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 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 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
