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Decision Models, as it ships.
Engineering notes on Decision Models by Samir Sengupta - each one read from primary sources on the day it happened, with what it changes for people building on it.
JevOut flips Jev on 61.4% of correct decisions with ordinary context
A 24 September 2026 arXiv paper (2609.30243v1) redirects Jev on 312 of 508 correct decisions using fluent context additions, with 229 flips above 0.7.
What Jev's new shape of LLM decision model changes in practice
TypeSafe's Jev charges $0.042 per million input tokens with output free and returns floats, not text; open weight Kev-4B answers three questions in 495 ms.
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