A Typed Answer Is Not a Check

People keep sending me decision models. Jev, and open-weight ones in the same family, like Laya. Chat models reason and write. These take a state and a question and return a choice, a score, or a probability. One pass. Nothing to parse.

The pitch is that they cannot hallucinate, because the answer has to be one of the options you defined.

That holds for the format. A decision can still be invented, and it will look clean.

They are sold for three jobs. Route the request. Classify it. Put a score on the risk. The probability is the yes or no that comes with them. I went through all of it in SCOUT.

Routing is a fair test on a small menu. Is this billing, access, or a request to open a ticket. Or a first cut on the question that just arrived: open work, past awards, or something about to expire, before a larger model writes the reply. If the probability is split, you ask. You do not take the route.

Classification is a fair test only while you still grade it. Run it beside labels you already trust, on the notices your customers actually produce, and keep the misses. Their demos are tickets and invoices. That is not this language until you check. A label can describe the notice. The easy button is that same label, promoted to a filter, because a choice came back.

A score is a fair test when it only changes who looks first. Urgency on that support queue. Risk is the score we will not ship. A fit number, or a single number for how solid a piece of work is, type-checks. Then it gets pasted into a pipeline as the verdict.

A yes/no is a fair test when the record contains the answer. A blank eligibility field on a contract is the other case. The common answer comes back as unrestricted, with a clean probability. The record left the field blank. That probability writes a fact the record does not have. The blank stays unresolved.

That is the hallucination. The fair test, reused on every route, every label, every risk score, and every blank field, because the response type-checked.

Understand what the decision is. Validate the probability on your own misses. Then decide. A typed answer is not a check.