AI Engineer Programming

Aug 7, 2026 · Artificial Intelligence

How to Ensure Reliable Structured Outputs in LLM Agents

The article explains why format constraints alone cannot guarantee correct content in LLM agents, compares JSON Mode, Structured Outputs, and Tool Calling, and provides a step‑by‑step engineering guide—including model‑specific quirks, schema validation, retry loops, and layered fallback strategies—to achieve robust structured results.