OpenAI Structured Outputs vs JSON Mode (ANSWERED)
Medium GPT API question on structured outputs reliability vs JSON mode.
TL;DR — Quick Answer
JSON mode encourages valid JSON but does not guarantee schema conformance. Structured Outputs constrain decoding to a JSON schema, dramatically reducing parse failures. You still validate business rules, authz, and semantic correctness in application code.
The Interview Question
Compare OpenAI JSON mode with Structured Outputs (schema-constrained decoding). When do you still need application-level validation?
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