Articles

103 articles

What is a Large Language Model (LLM)?
Artificial Intelligence 10 min read
AI Foundations · Ch 3

What is a Large Language Model (LLM)?

ChatGPT, Claude, Gemini, Joule — they are all powered by large language models. But what is an LLM actually doing when it responds to you? This post explains what an LLM is, how it is trained, what tokens and embeddings mean, and why LLMs predict rather than think — clearly, without the academic language.

LLMLarge Language Model
SAP S/4HANA vs ECC — The Real Difference
Technology - SAP 12 min read
SAP Fundamentals · Ch 5

SAP S/4HANA vs ECC — The Real Difference

Most comparisons of SAP S/4HANA and ECC focus on marketing bullet points. This post explains what actually changed — the data model, the database, the user experience, and what it means for a real SAP landscape. Written by a consultant who has worked with both.

SAP S/4HANASAP ECC