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Decision models, in depth.
Articles on System One decision models — how they differ from LLMs, the Laya and Jev architectures, calibration, and publishing to the registry.
GLiNER2.5-Decide, explained — labels you supply at runtime
Fastino's open-weight decision model does something the others do not. It classifies against label sets you hand it per request, extracts the spans that justify the answer, and enforces rules across decisions, all in one pass of a 340M encoder.
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