Hidden AI Product Costs #2-3: Data Prep and Evaluation & Testing
goyalshaliniuk · x · 2026-09-12
Two items from the "7 hidden costs of AI products" thread: #3 Evaluation & testing — a demo can work perfectly and still fail in production; test accuracy, check hallucinations, compare model outputs, build eval datasets. #2 Data preparation — AI is only as useful as its data: cleaning documents, deduping, chunking, metadata, knowledge updates.
Related event: Hidden Costs of AI Products: Evaluation, Testing and Data Prep(2 posts)→
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