The Art and Science of Testing LLM-Powered Applications: Best Practices and Tools
Miloš Švaňa
1 week ago 30.1.2025
Testing is crucial for producing reliable software. As an industry, we know a lot about testing, or at least about testing conventional software. The recent democratization of AI and LLMs enabled developers and software companies to easily integrate text or image generation features into their products. LLMs possess unique properties that make testing LLM-powered software quite challenging. Why is this the case, and how can we test such software properly? Testing LLM-powered software is challenging for at least three reasons: LLMs usually produce unstructured and non-deterministic output. A small change…