• Definition: real-time checks that verify what goes into and comes out of the app. 3:49
  • Input side: screen user queries — e.g., block a query that contains sensitive information. 3:49
  • Output side: screen model responses — e.g., detect that an output resembles financial advice and block it. 4:05
  • Limitation: guardrails add latency, so you cannot run a check for every imaginable case — they are useful but not perfect. 4:05