Unlocking LLM Guardrails: Uncovering Hidden Costs of AI Latency

An input guardrail runs on every request. Too slow and you rip it out; fast but blind and you get owned. That tradeoff, not the feature list, is the whole decision. TL;DR: I ran six guardrail and prompt-injection tools inline on a production agent for a few weeks (Lakera Guard, Llama Guard, NeMo Gua