Q. What does Bedrock Guardrails actually enforce at runtime?
A. Content filters, Denied topicsSubjects you describe in plain language that a Bedrock Guardrail refuses to discuss, whichever way a user phrases the request. , word and PII filters, a contextual grounding check that flags ungrounded or hallucinated output, and automated reasoning checks for policy. It enforces safety; it does not measure bias.
Why? Guardrails is runtime enforcement; bias measurement is a separate, offline job.