json-schema
2 posts — newest first.
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Structured Outputs Guarantee the Shape, Not the Answer
I built JSON-Schema-constrained decoding from scratch and ran it on a real model. Valid output went from 3% to 100%. Correct output went to 40%. Here's the gap.
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Schema Evolution: The Field You Removed Is Still in Someone's Queue
Backward, forward and full compatibility — what each permits, why required fields are a trap, and the rules that keep a rolling deploy safe.