Format
Explainers
Plain-language guides to concepts and techniques. Every explainer published by GenAI Brief, newest first.
26 stories · page 3 of 3
ResearchExplainer
What reasoning models actually do: a training recipe and a token budget
Reasoning models are ordinary LLMs post-trained with RL on checkable problems, then given a thinking budget at inference. The lineage, the training loop, the costs, and where the gains actually land.
IndustryExplainer
The real cost of an AI product, line by line: tokens are rarely the biggest line
A sourced ledger of what a production AI feature costs in September 2026: inference, retrieval, agents, evaluation, gateways, review and people, with a worked monthly model at three volumes.
