Too Many Guardrails Made the Bigger Model Worse: Deleting 13,528 Lines of Orchestration

Tue, 22 Sep 2026 00:00:00 +0000

This is Part 7, the last of Field Notes from a Korean Phone Voice Agent, a seven-part series about a project I led: a real-time Korean phone voice agent (STT → LLM → TTS) for a public-service call line. STT evaluation → Rules vs. models → Latency → Silent failures → Guardrails → Metrics → Simplification. Part 5 showed how the dialog layer’s rules piled up, and Part 6 why the evaluation kept rewarding them. This part is about taking them out.

Rag on Juntak Noh — AI Notes

Too Many Guardrails Made the Bigger Model Worse: Deleting 13,528 Lines of Orchestration