Guides
Start here if the category is new to you.
What is a System One decision model?
Understand typed decisions, Choice, Score and Noul, with a routing example and links to the model documentation.
Updated 24 Sep 2026
Jev or Laya: how to choose
Compare deployment requirements, version-specific evidence and total workflow cost before choosing Jev or Laya.
Updated 24 Sep 2026
How to read a launch-week claim
The five questions we ask of every post before it goes in the directory, and the patterns that most often turn a true number into a misleading one.
Updated 23 Sep 2026