Format
Explainers
Plain-language guides to concepts and techniques. Every explainer published by GenAI Brief, newest first.
4 stories
NewsExplainer
The EU AI Act's model rules, one year in: what changed for builders
General-purpose AI model obligations under the EU AI Act have applied since August 2025. A year later, here is what providers have actually had to do, and what still applies to you if you only fine-tune or deploy.
ModelsExplainer
How to read a model card without getting fooled
Model cards are part specification, part marketing. Here is a field-by-field guide to the numbers that matter, the ones that are routinely gamed, and the questions a card should answer before you ship on it.
ResearchExplainer
What "reasoning" models actually do differently
Reasoning models are trained to spend tokens thinking before they answer. Here is what that training involves, why it works on some problems and not others, and how to decide when to pay for it.
IndustryExplainer
The real cost of running an AI product, line by line
Token spend is the line everyone watches and rarely the largest. A working breakdown of where the money goes in a production generative AI product, from inference and evaluation to the humans in the loop.
