ADVANCED

Structured Outputs & Grammar Constraints

Enforce 100% deterministic JSON schemas and domain DSLs using Context-Free Grammars (CFG) and bitmask logit filtering. Part of the free Inference & Harness Engineering Academy — every lesson below is open to everyone, no signup required.

1 lessons175 XP~20 min total100% free

// LESSONS IN THIS MODULE

  1. 01GBNF, Outlines, and Logit Masking20 min · 175 XP

    Zero-Shot Guaranteed Syntactic Validity Prompt engineering alone cannot guarantee that an LLM will return valid JSON. If an agent outputs a trailing c...

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