Probabilistic guardrail

A guardrail that uses a model or classifier, so its judgment can be wrong: it can miss bad content, block good content, or be tricked.

Also called

  • Model-based check
  • Classifier

Kind of

  • Guardrail A check, built into the harness or written into the instructions, that screens what goes in, what comes out, or what an agent tries to do.

Related

  • LLM-as-judge An eval where a model grades the work of another model or system.
  • Probabilistic A property of a system or check that works on likelihoods, so the same input(s) can give different outputs, and any single answer can be wrong some of the time.

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