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Stress test

As explained in Generative AI in Action

Stress testing is the evaluation of a system under demanding, unusual, or adverse conditions to reveal weaknesses and harmful behavior.

Stress testing deliberately examines a GenAI system under demanding, unusual, or adverse conditions to expose weaknesses, risk exposure, and vulnerabilities. It supports harm identification before deployment and should reflect the use case, model capabilities, and deployment scenario. section 13.3.1

Apply stress testing as part of a responsible-AI evaluation loop:

  • Identify relevant harms, such as bias, privacy concerns, inaccurate information, or harmful content. section 13.3.1
  • Measure how often and how severely those harms occur with clear evaluation criteria, metrics, and repeatable test sets. section 13.3
  • Mitigate discovered problems with techniques such as prompt engineering or postprocessing content filters, then evaluate again. section 13.3
  • Include edge cases and varied inputs, because model robustness checks can reveal unexpected or undesirable outputs. section 13.4.2

Testing harmful generation

HarmBench provides an open-source framework for automated red-teaming. It tests language models for harmful outputs such as hate speech, misinformation, toxic or biased content, and unsafe generations, helping identify where tuning or intervention is needed. section 13.4.2

Figure 13.10 RAI lifecycle
figure

Use the RAI lifecycle diagram to place stress testing within identifying, measuring, mitigating, and operating an AI system. section 13.3

How Generative AI in Action covers it

How deep it goes
Defines the technique and places it in a repeatable evaluation loop, but does not specify a complete stress-test design.
Examples
Uses customer-service chatbot risks, edge-case inputs, CheckList, and HarmBench harmful-generation tests as concrete examples.
What you can do after
Diagnose harmful or unexpected outputs by testing edge cases and comparing results against defined evaluation criteria.
How it connects
Connects stress testing with red-teaming, risk assessment, benchmarking, harm mitigation, and model robustness checks.

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This explainer was generated by Manning's knowledge graph from the text of Generative AI in Action. The section links point to the parts of the book it draws on.