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Testing AI is Not Like Testing Software and Most Companies Haven't Figured That Out Yet.

When a login button breaks, you know it. The bug is reproducible, the fix is straightforward, and the path from problem to resolution is clear.

Kristel Kruustük Photo
Kristel Kruustük
March 12, 2026
Illustrated icon of a human brain with circuit board connections extending from it represent the need for humans for testing AI, on a slate blue background.

But when an AI system fabricates legal citations, invents statistics, or encourages self-harm, that is not a bug in any traditional sense. That is a failure of oversight. In her latest piece for TechRadar, Testlio founder Kristel Kruustük makes the case that testing AI requires an entirely different mindset, one built around human judgment, cognitive diversity, and genuine skepticism.

Read the article here
Kristel Kruustük Photo
Kristel Kruustük

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