EVERYTHING AIAI engineering, made visual
Visual edition planned
Phase 11 · Lesson 03BuildPython1.3 h17 lessons in phase

Structured Outputs: JSON, Schema Validation, Constrained Decoding

Your LLM returns a string. Your application needs JSON. That gap has crashed more production systems than any model hallucination. Structured output is the bridge between natural language and typed data. Get it right and your LLM becomes a reliable API. Get it wrong and you're parsing free-text with regex at 3am.

Visual edition planned

This lesson isn’t interactive yet.

It is part of the curriculum and will get the same treatment as Phase 1 — a visual cover, hands-on labs, derivations with numeric checks and a quiz. Until then, the original lesson is the best place to read it:

Part of Phase 11LLM Engineering. Use the previous / next cards below to keep browsing the phase.