Results-Actionability Gap: Understanding How Practitioners Evaluate LLM Products in the Wild — Der Maden et al. (2026)
How do product teams evaluate LLM-powered products? As or- ganizations integrate large language models (LLMs) into digital products, their unpredictable nature makes traditional evaluation approaches inadequate, yet little is known about how practitioners navigate this challenge. Through interviews with nineteen practi- tioners across diverse sectors, we identify ten evaluation practices spanning informal ‘vibe checks’ to organizational meta-work. Be- yond confirming four documented challenges, we introduce a novel fifth we call the results-actionability gap, in which practitioners gather…
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