The Evaluation Design Lifecycle: From Business Need to Valid Metrics (opens in new tab)

- When teams deploy LLMs that fail in production, the root cause is rarely the metrics they chose—it’s that they skipped the process of determining which metrics matter in the first place. You can have ROUGE scores, BERTScore, and even sophisticated LLM-as-a-judge evaluations, yet still build the wrong thing if you haven’t connected measurement to actual business requirements. This blog post introduces the evaluation design lifecycle: a systematic process for translating stakeholder needs int...