Guardrails add an extra check. How do you evaluate if the safety benefit of a guardrail outweighs the 200ms latency penalty it adds?

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Every safety check (scanning for PII or toxicity) adds time. You evaluate this by measuring the "Safety-to-Latency Trade-off." If a guardrail catches 1% more bad inputs but slows the app down by 2 seconds, you might choose to move that check to an asynchronous process.

Guardrails add an extra check. How do you evaluate if the safety benefit of a guardrail outweighs the 200ms latency penalty it adds?

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