JSON
LLMs Still Need Engineering Fallbacks for Reliable JSON Output
Reliable JSON required three iterations: model drafts, code parses leniently, and failures retry once. API-level schemas validate structure, not busin
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structured output
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LLMs
LLM JSON output alone is unreliable; multi-layer validation must live in the stack
JSON-only prompts don't guarantee reliable LLM output. Production must chain constraints, schema checks, retries, and monitoring together.